[help]this+n作主语 ：能否只带前面整句话的内容（p2-150,126）

shiwen66666

150.       (32705-!-item-!-188;#058&007266)  

 

Hydrocarbons, with which fruit flies perfume themselves in species-specific blends, are known to be important in courtship, and apparently this assists flies that taste the hydrocarbons on prospective mates to distinguish their own species from that of others.  

 

(A) and apparently this assists flies that taste the hydrocarbons on prospective mates to distinguish their own species from that of  

(B) and apparently this assists flies when they taste the hydrocarbons on prospective mates in distinguishing their own species from those of  

(C) which apparently assists flies that taste the hydrocarbons on prospective mates in being able to distinguish their own species from  

(D) apparently assisting flies to taste the hydrocarbons on prospective mates to distinguish their own species from those of  

(E) apparently assisting flies that taste the hydrocarbons on prospective mates in distinguishing their own species from

此处笔记给的解释是不能整句内容

126. (31217-!-item-!-188;#058&006093)
Because she knew many of the leaders of colonial America and the American Revolution personally, Mercy Otis Warren was continually at or near the center of political events from 1765 to 1789, a vantage point combining with her talent for writing to make her one of the most valuable historians of the era.
(A) a vantage point combining with her talent for writing to make
(B) a vantage point, when combined with her talent for writing, that made
(C) a vantage point that combined with her talent for writing, and it made
(D) and this vantage point, which combined with her talent for writing to make
(E) and this vantage point, combined with her talent for writing, made

这里又可以了。

请明白的人讲解一下，万分感谢！！~

shiwen66666

自己顶

cx_ding

你可能没看仔细。
150里面的this是单独作主语，assist是动词。

shiwen66666

你可能没看仔细。
150里面的this是单独作主语，assist是动词。

-- by 会员 cx_ding (2009/11/21 4:17:27)

(⊙o⊙)哦！谢谢~我粗心了。。