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介词是学习英语的难点之一,特别在阅读过程中是一个“拦路虎”。介词短语是构成长难句的一个重要因素。介词短语可用作定语、状语、表语和补足语。介词可与动词、名词、形容词等连用。 |Fzt|
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这里特别指出一种介词复合结构,with(without)构成的复合结构,这种复合结构的形式有: `b[@GGv
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(1) If something is moving, with nothing touching it, it will go on forever,coasting at a uniform speed in a straight line. (`K~p Z
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(3)With more experimenting being doing every year,much of photosythesis will certainly be known before very long. +\`t@Ht#
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随着每年所进行的实验增多,可以肯定,不久将会对光合作用了解得更多。(条件状语) dq$CCOC^F
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(4)The article deals with microwaves,with particular attention being paid to radiolo cation. ^5![tTJ
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这篇文章是研究微波的,其中特别注意无线电定位问题。(with...10cation是分词复合结构,在句中作补充说明。) |MXv
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(5)The rocket engine,with its steady roar like that of a waterfall or a thunderstorm,is an impressive symbol of the new space age. mV;Egm{A\
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(2)At present,about 80 different metals are known to man.But with so many metals to choose from,the question arises:which metal shall we use? bB)EJCPq>
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目前,人们已知的金属大约有80种。由于有这么多的金属可供选择,于是便产生了一个问题:我们将采用哪种金属呢?(with引出的复合结构用作原因状语。)