Hydrocarbons, with which fruit flies perfume themselves in species-specific blends, are known to be important in courtship, apparently assisting flies that taste the hydrocarbons on prospective mates in distinguishing their own species from others.
语法 Sentence Correction-4225
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正确的用户笔记
西西瓜 2014-10-22 19:30:44
assist that, assist in doing都是对的，assist to do用法错误。
Ada不要卷儿 2015-04-21 12:54:43
1) assist正确的习语搭配为：assist (somebody) with/in something, assist in doing something 2) which、this不能用于指代前句描述的事情
piupiu雨雨 2014-11-12 16:39:33
assist in doing
任婧仪 2016-10-31 11:28:03
that taste the...修饰flies assist in doing
糯米团子QUQ 2016-10-02 11:17:16
DE：1、句意不同，D是帮助苍蝇去品尝H，E是帮助苍蝇去区分同伴，品尝的东西香自己就飞过去了不需要你帮助；2、help sb to do；assist sb in doing；3、distinguish 同类 from others（=other species）。
shisu0610041 2016-09-18 10:44:33
Hydrocarbons ……asssit flies to taste Hydrocarbons ，句意明显错误； Hydrocarbons ……asssit flies in distinguish，才对
金子0913 2016-08-30 18:51:28
1)assist... in doing...离得较远，要注意识别；2）assisting 现在分词做伴随状语
金子0913 2016-07-27 18:04:18
assist sb to do sth/ assist sb in doing sth 均可
snow199511 2016-06-22 20:40:03
assist ab in doing
allenzeng 2016-04-13 07:36:30
which和this不能指代前面整个句子；assist (sb) with/in doing sth固定搭配；species是单复数形式相同；
monster怪獸 2016-03-24 11:51:08
1、which、this不能用于指代前句描述的事情 2、assist (somebody) with/in something, assist in doing something 3、注意distinguish的比较
Ivycoco 2016-03-22 10:24:42
this不能用于指代前句描述的事情
fishanne 2016-01-16 16:51:17
assist sb in doing sth
