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2014年华中科技大学考博英语

考试时间 2014322日星期六 下午2:00-5:00 原创作者qq 347952582 ?J<Y]  
Passage 72(9/22) (A}##h  
SinceWould War II considerable advances have been made in the area of health-careservices. These include better access to health care (particularly for the poorand minorities), improvements in physical plants, and increased numbers ofphysicians and other health personnel. All have played a part in the recentimprovement in life expectancy. But there is mounting criticism of the largeremaining gaps in access, unbridled cost inflation, the further fragmentationof service, excessive indulgence in wasteful high-technology “gadgeteering,”and a breakdown in doctor-patient relationships. In recent years, proposed panaceas and new programs,small and large, have proliferated at a feverish pace and disappointmentsmultiply at almost the same rate. This has led to an increasedpessimism—“everything has been tried and nothing works”—which sometimes borderson cynicism or even nihilism. ek1Y aE  
Itis true that the automatic “pass through” of rapidly spiraling costs togovernment and insurance carriers, which was set in a publicized environment of“the richest nation in the world,” produced for a time a sense of unlimitedresources and allowed to develop a mood whereby every practitioner andinstitution could “do his own thing” without undue concern for the “MedicalCommons.” The practice of full-cost reimbursement encouraged capital investmentand now the industry is overcapitalized. Many cities have hundreds of excesshospital beds; hospitals have proliferated a superabundance of high-technologyequipment; and structural ostentation and luxury were the order of the day. Inany given day, one-fourth of all community beds are vacant; expensive equipmentis underused or, worse, used unnecessarily. Capital investment brings rapidlyrising operating costs. %fGS< W;  
Yet,in part, this pessimism derives from expecting too much of health care. It mustbe realized that care is, for most people, a painful experience, oftenaccompanied by fear and unwelcome results. Although there is vast room forimprovement, health care will always retain some unpleasantness andfrustration. Moreover, the capacities of medical science are limited. HumptyDumpty cannot always be put back together again. Too many physicians arereluctant to admit their limitations to patients; too many patients andfamilies are unwilling to accept such realities. Nor is it true that everythinghas been tried and nothing works, as shown by the prepaid group practice plansof the Kaiser Foundation and at Puget Sound. In the main, however, suchundertakings have been drowned by a veritable flood of public and privatemoneys which have supported and encouraged the continuation of conventionalpractices and subsidized their shortcomings on a massive, almost unrestricted scale.Except for the most idealistic and dedicated, there were no incentives to seekchange or to practice self-restraint or frugality. In this atmosphere, it isnot fair to condemn as failures all attempted experiments; it may be moreaccurate to say many never had a fair trial. @ kK${  
1.     The author implies that the KaiserFoundation and Puget Sound plans (lines 47-48) differed from other plans by A% 9TS/-p  
(A)encouraging capital investment rZ/,^[T  
(B)requiring physicians to treat the poor 0(iTnzx0  
(C)providing incentives for cost control )cNG)F  
(D)employing only dedicated and idealistic doctors g 7res  
(E)relying primarily on public funding _%Sorr  
2.     The author mentions all of the following asconsequences of full-cost reimbursement EXCEPT AB 'q!7NR  
(A)rising operating costs *y9 iuJ}  
(B)underused hospital facilities rR@ t5  
(C)overcapitalization D642}VD  
(D)overreliance on expensive equipment wXIsc;  
(E)lack of services for minorities e; 5 n.+m  
3.     The tone of the passage can best bedescribed as v|C)Q %v  
(A)light-hearted and amused 3<LG~HWST  
(B)objective but concerned 6?b 9~xRW  
(C)detached and unconcerned Y0:y72mK  
(D)cautious but sincere 55 )!cw4  
(E)enthusiastic and enlightened 8  !]$ljg  
4.     According to the author, the “pessimism”mentioned at line 35 is partly attributable to the fact that R ,-y  
(A)there has been little real improvement in health-care services =PWh,lWS  
(B)expectations about health-care services are sometimes unrealistic /.l8Jb4  
(C)large segments of the population find it impossible to get access tohealth-care services ?}\aG3_4  
(D)advances in technology have made health care service unaffordable c+c3C8s*8  
(E)doctors are now less concerned with patient care OiH tobM  
5.     The author cites the prepaid plans in lines46-48 as w-*$gk]   
(A)counterexamples to the claim that nothing has worked *9 M 5'  
(B)examples of health-care plans that were over-funded mO;X>~K  
(C)evidence that health-care services are fragmented t$^1A1Ef  
(D)proof of the theory that no plan has been successful ,rVm81-2  
(E)experiments that yielded disappointing results Sr Z\]  
6.     It can be inferred that the sentence“Humpty Dumpty cannot always be put back together again” means that o_ka'|  
(A)the cost of health-care services will not decline >MZWm6M8  
(B)some people should not become doctors o<ak&LX`9  
(C)medical care is not really essential to good health mk.:V64 >;  
(D)illness is often unpleasant and even painful ":E 7#9  
(E)medical science cannot cure every ill /{Ksi+q  
7.     With which of the following descriptions ofthe system for the delivery of health-care services would the author mostlikely agree? *ci,;-*C  
(A)It is biased in favor of doctors and against patients. )_N|r$i\  
(B)It is highly fragmented and completely ineffective Se7NF@>9_  
(C)It has not embraced new technology rapidly enough 1^ZQXUzl%i  
(D)It is generally effective but can be improved :c3}J<Z  
(E)It discourages people from seeking medical care 58)`1p\c'  
8.     Which of the following best describes thelogical structure of the selection? {)nm {IV,  
(A)The third paragraph is intended as a refutation of the first and secondparagraphs. a]XQM$T$  
(B)The second and third paragraphs explain and put into perspective the pointsmade in the first paragraph. T;K,.a8bU  
(C)The second and third paragraphs explain and put into perspective the pointsmade in the first paragraph. ]ZKmf}A)1P  
(D)The first paragraph describes a problem, and the second and third paragraphs presenttwo horns of a dilemma. .|`J S?L[  
(E)The first paragraph describes a problem, the second its causes, and the third apossible solution. CnyCEIO-  
9.     The author’s primary concern is to m?bd 6'&FR  
(A)criticize physicians and health-care administrators for investing in techno-logicallyadvanced equipment # 12  
(B)examine some problems affecting delivery of health-care services and assesstheir severity  *X- 6]C  
(C)defend the medical community from charges that health-care has not improvedsince World War II H1X38  
(D)analyze the reasons for the health-care industry’s inability to provide qualitycare to all segments of the population O* `v1>  
(E)describe the peculiar economic features of the health-care industry that arethe causes of spiraling medical costs lj0"2@z3"E  
;1PnbU b  
Passage 71(8/22) >a7'_n_o  
Behavioris one of two general responses available to endothermic (warm-blooded) speciesfor the regulation of body temperature, the other being innate (reflexive)mechanisms of heat production and heat loss. Human beings rely primarily on thefirst to provide a hospitable thermal microclimate for themselves, in which thetransfer of heat between the body and the environment is accomplished withminimal involvement of innate mechanisms of heat production and loss.Thermoregulatory behavior anticipates hyperthermia, and the organism adjustsits behavior to avoid becoming hyperthermic: it removes layers of clothing, itgoes for a cool swim, etc. The organism can also respond to changes in thetemperature of the body core, as is the case during exercise; but suchresponses result from the direct stimulation of thermoreceptors distributedwidely within the central nervous system, and the ability of these mechanismsto help the organism adjust to gross changes in its environment is limited. 0 Y[LzLn  
Untilrecently it was assumed that organisms respond to microwave radiation in thesame way that they respond to temperature changes caused by other forms ofradiation. After all, the argument runs, microwaves are radiation and heat bodytissues. This theory ignores the fact that the stimulus to a behavioralresponse is normally a temperature change that occurs at the surface of theorganism. The thermoreceptors that prompt behavioral changes are located withinthe first millimeter of the skin’s surface, but the energy of a microwave fieldmay be selectively deposited in deep tissues, effectively bypassing thesethermoreceptors, particularly if the field is at near-resonant frequencies. Theresulting temperature profile may well be a kind of reverse thermal gradient inwhich the deep tissues are warmed more than those of the surface. Since theheat is not conducted outward to the surface to stimulate the appropriatereceptors, the organism does not “appreciate” this stimulation in the same waythat it “appreciates” heating and cooling of the skin. In theory, the internalorgans of a human being or an animal could be quite literally cooked well-donebefore the animal even realizes that the balance of its thermomicroclimate hasbeen disturbed. R{Q*"sf  
Untila few years ago, microwave irradiations at equivalent plane-wave powerdensities of about 100 mW/cm2 were considered unequivocally toproduce “thermal” effects; irradiations within the range of 10 to 100 mW/cm2might or might not produce “thermal” effects; while effects observed at powerdensities below 10 mW/cm2 were assumed to be “nonthermal” in nature.Experiments have shown this to be an oversimplification, and a recent reportsuggests that fields as weak as 1 mW/cm2 can be thermogenic. Whenthe heat generated in the tissues by an imposed radio frequency (plus the heatgenerated by metabolism) exceeds the heat-loss capabilities of the organism,the thermoregulatory system has been compromised. Yet surprisingly, not longago, an increase in the internal body temperature was regarded merely as“evidence” of a thermal effect. 9a}rE  
1.     The author is primarily concerned with 1%~yb Q  
(A)showing that behavior is a more effective way of controlling bodily temperaturethan innate mechanisms  ^_W+  
(B)criticizing researchers who will not discard their theories about the effectsof microwave radiation on organisms *ub]M3O  
(C)demonstrating that effects of microwave radiation are different from those ofother forms of radiation h?E[28QB  
(D)analyzing the mechanism by which an organism maintains its bodily temperaturein a changing thermal environment [@d$XC]Qz  
(E)discussing the importance of thermoreceptors in the control of the internaltemperature of an organism B1dVHz#  
2.     The author makes which of the followingpoints about innate mechanisms for heat production? T\ 7z87Q  
I.      They are governed by thermoreceptorsinside the body of the organism rather than at the surface. vf6_oX<Os  
II.     They are a less effective means ofcompensating for gross changes in temperature than behavioral strategies. KW.*LoO  
III.    They are not affected by microwaveradiation. 9}p>='  
(A)I only -4ityS @  
(B)I and II only ?m.WqNBH7  
(C)I and III only ~\_aT2j0  
(D)II and III only (T;4'c  
(E)I, II, and III +>3XJlZV  
3.     Which of the following would be the mostlogical topic for the author to take up in the paragraph following the final paragraph of the selection? hTgWqp  
(A)A suggestion for new research to be done on the effects of microwaves on animalsand human beings Y_m/? [:  
(B)An analysis of the differences between microwave radiation Cm@e^l!  
(C)A proposal that the use of microwave radiation be prohibited because it isdangerous $:IOoS|e  
(D)A survey of the literature on the effects of microwave radiation on humanbeings l&3f<e  
(E)A discussion of the strategies used by various species to control hyperthermia zbQ-l1E  
4.     The author’s strategy in lines 39-42 is to ~2 L{m[s|  
(A)introduce a hypothetical example to dramatize a point E"d\N-I  
(B)propose an experiment to test a scientific hypothesis t^eWFX  
(C)cite a case study to illustrate a general contention irj{Or^k  
(D)produce a counterexample to disprove an opponent’s theory G.v zz-yG  
(E)speculate about the probable consequences of a scientific phenomenon W/03L, 1  
5.     The author implies that the proponents ofthe theory that microwave radiation acts on organisms in the same way as otherforms of radiation based their conclusions primarily on n^F:p*)Q%  
(A)laboratory research 1aEM&=h_W  
(B)unfounded assumption yB][ 3?lv  
(C)control group surveys zTA+s 2  
(D)deductive reasoning kLc}a5;  
(E)causal investigation ,H6*9!Dv2  
6.     The tone of the passage can best bedescribed as <dzfD;  
(A)genial and conversational F3BWi[Xh  
(B)alarmed and disparaging @tv3\eD  
(C)facetious and cynical VVY#g%(K  
(D)scholarly and noncommittal [C1 .*Q+l  
(E)scholarly and concerned &f12Q&jY7  
7.     The author is primarily concerned with 0 #*M'C#  
(A)pointing out weaknesses in a popular scientific theory b.=bgRV2{x  
(B)developing a hypothesis to explain a scientific phenomenon _i@{:v  
(C)reporting on new research on the effects of microwave radiation F_28q15~:  
(D)criticizing the research methods of earlier investigators ~W?F.  
(E)clarifying ambiguities in the terminology used to describe a phenomenon +Fn^@/?yC  
DeqTr:  
Passage 74(11/22) CKC%|xke  
Agriculturalprogress provided the stimulus necessary to set off economic expansion inmedieval France. As long as those who worked the land were barely able toensure their own subsistence and that of their landlords, all other activitieshad to be minimal, but when food surpluses increased, it became possible torelease more people for governmental, commercial, religious and culturalpursuits. :X1~  
However,not all the funds from the agricultural surplus were actually available forcommercial investment. Much of the surplus, in the form of food increases,probably went to raise the subsistence level; an additional amount, in the formof currency gained from the sale of food, went into the royal treasury to beused in waging war. Although Louis VII of France levied a less crushing taxburden on his subjects than did England’s Henry II, Louis VII did spend greatsums on an unsuccessful crusade, and his vassals—both lay and ecclesiastic—tookover spending where their sovereign stopped. Surplus funds were claimed both bythe Church and by feudal landholders, whereupon cathedrals and castlesmushroomed throughout France. ;ZnSWIF2  
Thesimultaneous progress of cathedral building and, for instance, vineyardexpansion in Bordeaux illustrates the very real competition for availablecapital between the Church and commercial interests; the former producedinestimable moral and artistic riches, but the latter had a stronger immediateimpact upon gross national product. Moreover, though all wars by definition aredefensive, the frequent crossings of armies that lived off the land andimpartially burned all the huts and barns on their path consumed considerableresources. um/2.Sn>  
Sincedemands on the agricultural surplus would have varied from year to year, wecannot precisely calculate their impact on the commercial growth of medievalFrance. But we must bear that impact in mind when estimating the assets thatwere likely to have been available for investment. No doubt castle andcathedral building was not totally barren of profit (for the builders, thatis), and it produced intangible dividends of material and moral satisfactionfor the community. Even wars handed back a fragment of what they took, at leastto a few. Still, we cannot place on the same plane a primarily destructiveactivity and a constructive one, nor expect the same results from a new belltower as from a new water mill. Above all, medieval France had little room forinvestment over and above the preservation of life. Granted that war cost muchless than it does today, that the Church rendered all sorts of educational andrecreational services that were unobtainable elsewhere, and that government wasfar less demanding than is the modern state—nevertheless, for medieval men andwomen, supporting commercial development required considerable economicsacrifice. E0F8FR'  
1.     According to the passage, agriculturalrevenues in excess of the amount needed for subsistence were used by medievalkings to :.;p Rz  
(A)patronize the arts +y%"[6c|  
(B)sponsor public recreation CcF$?07 i  
(C)wage war R^_7B(  
(D)build cathedrals PvmmyF  
(E)fund public education G8]DK3#  
2.     According to the passage, which of thefollowing was an important source of revenue in medieval France? cJ CKxj  
(A)Cheese OR{<)L  
(B)Wine 977%9z<h  
(C)Wool 96L-bBtyY  
(D)Olive oil Vjv~RNGF  
(E)Veal nC-=CMWWr  
3.     The passage suggests that which of thefollowing would have reduced the assets immediately available for commercialinvestment in medieval France? zWN/>~}U \  
I.      Renovation of a large cathedral + F{hFuHV  
II.     A sharp increase in the birth rate  18(hrj  
III.    An invasion of France by Henry II <>gX'te  
(A)III only ny(`An  
(B)I and II only Qqp_(5S|>  
(C)I and III only |@84l  
(D)II and III only o'oA.'ul  
(E)I, II, and III )K=%s%3h<  
4.     It can be inferred from the passage thatmore people could enter government and the Church in medieval France because 5y 9(<}z  
(A)the number of individual landholdings in heavily agricultural areas wasbeginning to increase .G ^-. p  
(B)an increase in the volume of international trade had brought an increase in thepopulation of cities 'H19@b5rx  
(C)a decrease in warfare had allowed the king to decrease the size of the army uX.^zg]}%  
(D)food producers could grow more food than they and their families needed tosurvive {;z{U;j  
(E)landlords were prospering and thus were demanding a smaller percentage oftenants’ annual yields -qI8zs$:5  
5.     The author implies that the reason wecannot expect the same results from a new bell tower as from a new water millis that 5%qq#;[ n  
(A)bell towers yield an intangible dividend TFfV?rBI  
(B)bell towers provide material satisfaction 5Kadh2nz  
(C)water mills cost more to build than bell towers $;4y2?E  
(D)water mills divert funds from commerce e_<'zH_1  
(E)water mills might well be destroyed by war 6Kvo Ho  
6.     The author of the passage most probablybases his central argument on which of the following theoretical assumptionsoften made by economists?  wZ(H[be  
(A)Different people should be taxed in proportion to the benefit they can expectto receive from public activity. s6U$]9 `  
(B)Perfect competition exists only in the case where no farmer, merchant, orlaborer controls a large enough share of the total market to influence marketprice. h_( #U)z_3  
(C)A population wealthy enough to cut back its rate of consumption can funnel theresulting savings into the creation of capital. BR*'SF\T  
(D)A full-employment economy must always, to produce one good, give up producinganother good. ifXGH> C  
(E)There is a universal tendency for population, unless checked by food supply, toincrease in a geometric progression. Bf21u 9  
7.     The author suggests that commercialexpansion in medieval France “required considerable economic sacrifice” (lines59-60) primarily for which of the following reasons? NsPAWI|4  
(A)Cathedrals cost more to build and rebuild than did castles. *]7$/%.D  
(B)The numerous wars fought during the period left the royal treasury bankrupt. 6YHQ/#'G~  
(C)Louis VII levied a more crushing tax burden on his subjects than did Henry II. <UEta>jj  
(D)Although much of the available surplus had been diverted into vineyardexpansion, the vineyards had not yet begun to produce. 8gHOs#\  
(E)Although more food was being produced, the subsistence level was not very farabove the minimum required to sustain life. Nv~H797B  
8.     The passage implies that which of thefollowing yielded the lowest dividend to medieval men and women relative to itscost? FI(iqSJ6  
(A)Warfare qxQuXF>:#  
(B)Vineyard expansion |3bCq(ZR\P  
(C)Water mill construction *=2sXH1j  
(D)Castle building <hV%OrBz-  
(E)Cathedral building /q^\g4J  
9.     Which of the following statements bestexpresses the central idea of the passage? JK/gq}c  
(A)Commercial growth in medieval France may be accurately computed by calculatingthe number of castles and cathedrals built during the period. *QGyF`Go{  
(B)Competition between the Church and the feudal aristocracy for funds created byagricultural surplus demonstrably slowed the economic growth of medievalFrance. V JJ6q  
(C)Despite such burdens as war and capital expansion by landholders, commerce inmedieval France expanded steadily as the agricultural surplus increased. R<)^-- n  
(D)Funds actually available for commerce in medieval France varied with thedemands placed on the agricultural surplus. =pCO1<wR  
(E)The simultaneous progress of vineyard expansion and building in medieval Francegives evidence of a rapidly expanding economy. J#*%r)  
Passage 84(21/22) !U "?vSl  
Astrophysicistswrestling with the study of a new kind of star, the flat, “two-dimensional”configurations known as accretion disks have recently gained new insights intothe behavior of these stars. Accretion disks exist in a variety of situationswhere matters swirl around a compact star such as a white dwarf star or aneutron star. Accretion disks are also suspected of playing a part in moreexotic situations, in which the central object is imagined to be a supermassiveblack hole, the ultimate form of collapsed matter, rather than a compact star.The modeling of accretion disks is still in its infancy, a situation analogousto the days when ordinary stars were modeled by using elementary scaling lawswithout benefit of knowledge of the nuclear processes that power the stars.Similarly, the basic physics of the power by which accretion disks radiate,thought to originate in a form of turbulent friction, is known only at thecrudest level. 1iJaj  
Accretiondisks were first defined in the context of Cataclysmic variables. In thesesystems, matter from the outer layers of an ordinary star is attracted by thegravitational influence of a nearby orbiting white dwarf star, the matter lostfrom the ordinary star cannot strike the surface of the tiny white dwarfdirectly but settles into an orbit around the star. The viscosity in the diskthus formed causes heating, radiation, and a slow spiraling of disk matter ontothe surface of the white dwarf. ?;YymD _  
Therapid advances made in x-ray astronomy in the past decade have identified asecond type of system in which accretion disks occur. In such a system, anaccretion disk whirls about a neutron star rather than a white dwarf. The innerreaches of the accretion disk extend deeply into the gravitational potential ofthe neutron star where very rapid motion is the rule. The energy released byfriction and the actual raining of the material from the disk onto the surfaceof the neutron star is so great that radiation is given off in a powerful floodof x-rays. And in at least one case, x-ray astronomers believe that the objectin the center of an accretion disk is a black hole, suggesting that a thirdsystem may exist. TPF5?  
Ithad been assumed that portions of accretion disks would be unstable and that,as a result, clumping of their matter into rings would occur. There is noevidence from observation, however, that accretion disks do, in fact, sufferfrom these instabilities. In recent work, Abramowicz has shown that addedgravitational effects due to general relativity may alter the expectedNewtonian gravitational relationships in such a way that the disk remainsstable, indicating that it is possible that these predicted instabilities donot occur. S]x\Asj;w  
Furtherprogress toward understanding accretion disks will involve defining andproposing solutions to restricted problems just as was done in this case andwas done and continues to be done for ordinary stars. Abramowicz’ work is avaluable example of the care that must be taken before reaching conclusionsregarding accretion disks. !qe:M]C'l  
1.     The author of the passage is primarilyconcerned with V{{Xz:   
(A)comparing Abramowicz’ work to the work of earlier astrophysicists g}OZ!mKd  
(B)providing information about accretion disks and discussing significant new work s L=}d[  
(C)defining the conditions under which accretion disks can be observed 1PUeU+  
(D)exploring the question of whether a black hole can ever be the central objectof an accretion disk 8W2oGL6  
(E)describing the phenomenon of accretion disks and reviewing several conflictingtheories of their origins Rn_FYP  
2.     It can be inferred from the passage thatpredictions of the instability of accretion disks were based on which of thefollowing? Js'j}w  
(A)A calculation of the probable effects of standard Newtonian gravitationalrelationships _'0C70  
(B)A calculation of the probable relationship between general relativity andstandard Newtonian gravitational relationships pGdFeEkB/  
(C)A calculation of the energy released by friction within a compact star %F}i2!\<L  
(D)Observation of the x-rays radiated by compact stars od-yVE&  
(E)Observation of the clumping of accretion disk matter into rings around compactstars l 2ARM3"  
3.     The author’s attitude toward Abramowicz’work can best be described as one of "j/jhe6  
(A)uncertain approval c0v6*O)  
(B)unqualified respect HZ[.,DuW  
(C)mild interest +GvPJI  
(D)careful dismissal 1W'0h$5^"  
(E)hostile skepticism WD>z  
4.     The passage suggests which of the followingabout current scientific knowledge of the nuclear processes of ordinary stars? 4q)+nh~s  
(A)Its pattern of development has been analogous to that of developments in x-rayastronomy. "O/ 6SV  
(B)Its role in the explanation of turbulent friction has been significant. 1d 1 ~`B  
(C)It has contributed to a more accurate modeling of ordinary stars. ez14f$cJ+  
(D)It lags behind knowledge of scaling laws. IAi|4,y_L  
(E)It explains the behavior of accretion disks as well as that of ordinary stars. [.'9Sw  
5.     The passage suggests that Abramowicz’ workwas motivated by which of the following assumptions? Tn"^`\m  
(A)The quantity of energy released by accretion disks can be as large as it isonly if the disks are stable. |c[= V?AC  
(B)Improved techniques in x-ray astronomy would reveal any instabilities occurringin accretion disks. -BC`p 8  
(C)The lack of observational evidence of instabilities in accretion disks suggeststhat predictions of their occurrence might be wrong. T h!;zu^t  
(D)Known methods of observing accretion disk surrounding compact stars and blackholes do not permit the observation of the matter in accretion disks. Wi@YJ  
(E)The gravitational potential of compact stars does not vary from star to star. I+/fX0-Lib  
6.     The passage implies which of the followingabout the progress of knowledge in astrophysics? fb8)jd'~}O  
(A)Adherence to outdated theories has, in the past, limited the activities ofastrophysicists and restricted progress. X?.tj Z,  
(B)Progress has, in the past, occurred only as a result of significantbreakthroughs in basic physics and chemistry. 1G8,Eah  
(C)Progress has, in the past, occurred as a result of a process of defining andsolving restricted problems. `>& K=C?  
(D)Given the recent acquisition of knowledge about the nuclear processes of stars,further progress is likely to be limited to the refinement of what is alreadyknown. U&W/Nj  
(E)Conclusions in astrophysics have, in the past, been seriously flawed, thuslimiting progress, although there have recently been signs of change. [nf 5<  
7.     The passage suggests that, compared to thestudy of ordinary stars, the study of accretion disks is oFKTBH:I  
(A)derivative NwN3T]W  
(B)more sophisticated SQJ +C%   
(C)less clearly focused i`w)dS  
(D)at an earlier stage of development e F)my  
(E)more dependent on technological advances e5d STc`  
8.     According to the passage, some accretiondisks originated in $;rvKco)%  
(A)an increase in heat and radiation around an ordinary star c{j)beaS  
(B)a powerful flood of x-rays emitted by a neutron star s6k(K>P l  
(C)a collision between two stars F#^/=AR'  
(D)the turbulent friction on the surface of a compact star owx0J,,G  
(E)the accumulation of matter removed from an ordinary star w:ASB>,!  
9.     It can be inferred from the passage thatthe significance of Abramowicz’ work is that it B'I_i$g4w  
(A)provides a means of measuring the gravitational potential of neutron stars [Z^26/5a  
(B)opens a new area for exploration in the field of x-ray astronomy ~ga WZQXyu  
(C)proves that scaling laws cannot be applied to accretion disks 6mqp`x`  
(D)proposes a new system of classification of stars OAaLCpRp  
(E)suggests a resolution of a discrepancy between a theoretical prediction andactual observation aeDhC#h  
WmkCV+thA  
翻译 %2\6.c=c  
SectionA |I;]fH,+  
1、 准确地实施实习生计划变成了积极珍贵的招募渠道,因为公司可以实地考察这些员工。 \,#;gS "  
BIEq(/-  
2、 所以这里有三个最好的办法,为你的实习生计划找到合适的候选人,万一你找到了,或者你找到时,他们能接受正式员工的使命。 DOOF--ua  
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3、 你可能遇到有潜力的实习生,他们渴求经验,不会犹豫去免费工作。 sL,|+>7T^M  
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1. Theyfound that as the Sun becomes hotter and brighter, only microbes would be ableto cope with the extreme conditions that the solar changes would bring. 1bjz :^  
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2. Once you get to thistipping point, you get a lot more water in the atmosphere and because watervapor is a greenhouse gas, that sets this runaway greenhouse effect…and you endup with the Earth heating up to 100 ormore plus      what we experience today. E;, __  
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3. These,the scientists said, would be the only creatures that would withstand the heat,aridity and poisonous atmosphere of this future Earth. They believe that theywould probably be clustered around the last drops of water deep underground. G'`^U}9V\  
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沙发  发表于: 2017-03-14   
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