PP-SC45

mars_cheung · 发表于 2009-11-2 01:47:01

只有 assist sb in doing/ with sth，没有 assist sb to do
!! Do not say 'assist someone to do something'. Say assist someone with something or assist someone in doing something.---------- from LDOCEonline http://www.ldoceonline.com/dictionary/assist_1
5 楼解释很清楚，those 只能指代 species，但是代入之后出现逻辑错误，所以选 others

zxygtx · 发表于 2010-1-24 17:39:26

those of others双重了。就好像不说those of Zhao Wei's ，而说those of Zhao Wei一样。

jay871750293 · 发表于 2012-4-13 20:49:06

搞懂了，先说那个"those of",没错， those 指代specis, distinguish their own species from species of others.
再说assist,to do 和in doing 都没错，但要句子的逻辑意思，“taste the hydrocarbons on prospective mates”作fly定语的，所以D会给人造成误解为assist fly to taste(do)...to distinguish(目的状语)...，好吧，退一步讲，to do 可以做定语，但也没that好。

-- by 会员 Mars861227 (2008/10/7 12:49:00)

顶一个！！！

kikiff8 · 发表于 2012-11-15 21:28:17

D 中those of 无合适指代

PP-SC45

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