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[SC悬赏令] OG 20 SC786题求助

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发表于 2020-3-28 17:12:56 | 显示全部楼层 |阅读模式
786. discussion of greenhouse effects have usually had as a focus the possibility of earth growing warmer and to waht extent it might, but climatologists have indicated all along that precipitation, storminess, and temperature extremes are likely to have the greatest impact on people.
A discussion of greenhouse effects have usually had as a focus the possibility of earth growing warmer and to what extent it might,
B. discussion of greenhouse effects has usually had as its focus whether earth would grow warmer and  what the extent would be,
C. discussion of greenhouse effects has usually focused on whether earth would grow warmer and to what extent,
D. the discussion of greenhouse effects have usually focused on the possibility of earthgetting warmer and to what extent it might,
E. the discussion of greenhouse effects has usually focused on whether earth would grow warmer and the extent that is,


本题答案为C,答案分析的角度之一是平行结构。说C选项中的whether earth would grow warmer和to what extent是平行的,B选项中的noun phrase在形式上是平行的(我不知道答案中说的noun phrase是指哪两个,what the extent would be应该不是noun phrase吧?)其他的选项and前后的部分均不平行。


我的问题就是无法理解答案说的这两部分的平行问题。包括B和C选项中为什么是平行的,其他选项中又为何不平行。请求各位指点。
发表于 2020-3-30 01:03:45 | 显示全部楼层
这个题目从“平行角度”去理解确实不太好理解,我觉得首先是“动词优先原则”,focus是动词,也是名词,可以说focus on sth,而且是这个是比较地道的表达,所以AB排除,D的主谓明显不一致;E是whehter 从句和 the extent名词名词,也不算平行;

D的平行其实是whether 从句和to what extent (would grow warmer)这么来的(我个人以为),to what extent这个从句的内容因为和whether 从句的内容一致,所以做了大篇幅的省略,我们中国学生是很难看得出来的
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