来看今天的长难句： xHaz*w1|
They predict that a complete understanding of the human genetic code would provide untold benefits for humanity，for example，those abilities to diagnose, cure, and eventually prevent many diseases caused by faulty genes. NR8`nc1~
~@-r
步骤一：找主干 Y[R>?w
fXl2i]L(^B
这是一个宾语从句，主干为：They predict that ... 他们预测说...... &s?uMWR
&^HVuYa.0
步骤二：拆分句子 +0Q +0:
7_
) 38
为了便于分析，帮助大家理解，把这个句子切分了一下，并标上了序号。 r[;d.3jtP
①They predict ②that a complete understanding of the human genetic code would provide untold benefits for humanity, for example, those abilities to diagnose, cure, and eventually prevent many diseases caused by faulty genes. f> ktv76
PO6yE r
① They predict ... They 是整个句子的主语，predict 是谓语 );t+ ~YPS
② that 直至句末是一个由 that ...引导的宾语从句，在该从句中： |_8l9rB5ip
a complete understanding of the human genetic code 是主语 5 * YvgB;
would provide 是谓语 6g" h}p\{S
untold benefits for humanity 是宾语 /JC1o&z_T
for example 是插入语 +By
'6?22
those abilities to diagnose ... faulty genes 为前文untold benefits for humanity 的同位语 v;;3 K*c>
to diagnose, cure, and eventually prevent many diseases caused by faulty genes 动词不定式短语作定语，修饰 abilities iJ8Z^=>
caused by faulty genes 动词的过去分词短语作后置定语，修饰 diseases to&,d`k=-
=*lBJ-L
步骤三：查生词 Mz2TwU_
5<v1v&
1. genetic [dʒəˈnetɪk] adj. 基因的；遗传学的 6<fG; :
genetic and environmental factors 遗传和环境因素 - PSgBH[
genetic abnormalities 基因异常 ug ;Xoh5w
Tjrb.+cua
2. untold [ˌʌnˈtəʊld] adj. 不计其数的；难以估量的 )&>W/56/
An Olympic gold medal can lead to untold riches for an athlete. },JJ!3
一枚奥运金牌能给运动员带来无尽的财富。 >jIn&s!}
Mkk.8AjC|
3. faulty [ˈfɔːlti] adj. 有缺陷的 0!lWxS 0#=
This machine is guaranteed for a year against faulty workmanship. vFntzN>#
这种机器如有工艺缺陷可保修一年。 jED.0,+K !
_Q
I!UQdW
参考译文： t $Rc
0
他们预计，对人体基因编码的全面认识将给人类带来无法估量的好处，例如，使人类能够诊断、治疗并最终预防由基因缺陷造成的很多疾病。
