95. The peaks of a mountain range,acting like rocks in a stream bed,produce ripples in the air flowing over them;the resulting flow pattern,with creats and troughs that remain stationary although the air that forms them is moving rapidly,are known as "standing waves."B.crests and troughs that remain stationary although they are formed by rapid moving air,are C.crests and troughs that remain stationary although the air that forms them is moving rapidly,is D.stationary crests and troughs although the air that forms them is moving rapidly,are E.stationary crests and troughs although they are formed by rapidly moving air,is 外文讨论remain用法，解释不是很明白啊？ Økevincanspain wrote:http://www.beatthegmat.com/the-peaks-of-a-mountain-range-t12830.html
A is perfectly clear: it conveys the fact that the crests and troughs remain stationary (motionless) even though the air that forms them (i.e. the crests and throughs) is moving rapidly. C corrects the verb error.
E obscures the meaning: it suggests that one might not expect stationary crests and troughs to be formed by rapidly moving air. Nowhere is the original is it suggested that the crests and troughs are what one might not expect to be formed.
The following two sentences differ in meaning in much the same way:
It is surprising that the woman chosen to be the next head of the IMF is a European lawyer. It is surprising that the next head of the IMF will be a female European lawyer.
A/C是强调 remain stationary 和 moving rapidly对比 E并没有表达出这种对比。就说了个stationary crests and troughs，然后说although他们是formed by rapidly moving air.
简化一下，你抓主干 A/C: with crests and troughs that remainstationary although the air that forms them is moving rapidly. (that 是 essential modifer, 不能省） E: with crests and troughs although they are formed by air
这样看出来了吧
再说下面的例句： It is surprising that the woman chosen to be the next head of the IMF is a European lawyer. It is surprising that the next head of the IMF will be a female European lawyer.
第一个suprising的是the woman is a European lawyer. 第二个suprising的时the next head of IMF 是 female European lawyer
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发表于 2012-11-14 15:11:50
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