the countries are farther from the equator than the continental United states is , 前面有ONLY, 所以,is 需要 倒装提前,这样理解正确吗? -- by 会员 henryuan (2012/3/27 8:46:49)
个人理解如下: 该句中,than的后面是个倒装句,省略了表语far from the equator,正常语序为:...than the continental United States is far from the equator. 在GMAT中,表语置于句前,全句倒装,于是就变成了:...than far from the equator is the continental United States.又由于该比较分句中的表语,与前面主语的表语相同,因此,可以省略,最后就变成了:...than is the continental United States. 这里的only,不是倒装的标志。只有Only位于句首引导状语从句时,才倒装,比如:Only when the meeting is over can we know the decision.此处的only仅仅作定语修饰countries,因此不能说是倒装结构的标志。 本题的逻辑可以这样理解:实施该项法律的国家,距离赤道比美国距离赤道远——所以,这些国家白天的能见度比美国白天的能见度要低(从since daylight visibility is worse in countries farther from the equator可得知)——所以,该项法律对于这些能见度低的国家,更加有效(从any such laws would obviously be more effective in preventing collisions in those countries可得知)——由此,推出E选项:该项法律在美国的实施效果,会比不上其在那些已经实施的国家的效果。 -- by 会员 xn8510 (2012/3/27 16:39:04)
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