Discussion of greenhouse effects has usually focused on whether theEarth would warm and by how much, but climatologists have indicated allalong that the most obvious effects, and those that would have the largest impact on people, would be extremes of temperature, precipitation,and storminess.
A.the most obvious effects, and those that would have the largestimpact on people, would be extremes of temperature,precipitation, and storminess
B.the effects that are the most obvious ones, extremes of temperature, precipitation, and storminess, would be those impactingthe most on people
C.those effects to have the largest impact on people, extremes oftemperature, precipitation, and storminess, are what are the most obvious effects
D.extremes of temperature, precipitation, and storminess, the mostobvious effects, that they would have the largest impact on people
E.extremes of temperature, precipitation, and storminess, which arethe most obvious effects, are those to impact the most on people
我选E，答案是A
有解释说E不对是因为which指代不清，有可能指代strominess,但是E选项中which后谓语用的是are，假如修饰的是stominess（单数）,谓语又为什么会用复数？？？
求解释啊， 不能理解，或者有其他的说法？？ | 
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发表于 2011-8-20 18:26:02
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