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标题: 临考前关于PREP的几个问题,多谢 [打印本页]

作者: kitebird    时间: 2007-4-20 13:07
标题: 临考前关于PREP的几个问题,多谢

118. Genetic engineering sometimes entails plant or animal genes’ getting spliced into other species’ DNA, either to improve crop yields or for warding off insects or disease.

A. plant or animal genes’ getting spliced into other species’ DNA, either to improve crop yields or for warding off

B. plant or animal genes that get spliced into the DNA of other species, either for improving crop yields or the warding off of

C. the splicing of plant or animal genes into other species’ DNA, to either improve crop yields or to ward off

D. splicing plant or animal genes into the DNA of other species, either to improve crop yields or to ward off

E. splicing of plant or animal genes into the DNA of other species, for either the improvement of crop yields or to ward off
        

正确答案是D,也却是D最符合语意.但是 entail splicing是什么形式?是动词entail后面固定跟ing形式吗?

另外,还有几个一直没有搞明白的问题,但是一下子找不到例题了。

1、破折号里可以用句子吗?还是跟同位语一样,用n 修饰 n?

2、白勇语法里说“比较从句的主语和谓语跟主句的主谓相同时,可以全部省去,常常保留做状语的介词短语或状语从句”

这句话到底对不对,因为之前遇到好几个题,都是要求不出it was之类的主谓。

3、make的用法,以前看到过一段汇总的,记在哪里的找不到了-没记在脑子里都是白搭:(


作者: wei_wangyan    时间: 2007-4-20 15:37

1、entail: verb. to involve sth or cause it that cannot be avoided.

entail sth.
        
或者entail doing sth.

It will entail driving a long distance every day.这意味着每天都要长途开车.

2、在字典上查来的破折号有两个用法(刚刚好是LZ说的两种):

1)用以代替冒号或分号,表示后面所说是对前面的总结或结论,即句子。但通常是在非正式语中,例如:You've admitted that you lied to me——how can I trust you again?

2)单个或成对使用,以分隔句中的评语或事后想到的补充说明,就不用举例子了。

3、不认为BY总结的关于GMAT语法的规律可以无限套用(自己感觉哈,LZ把题贴上吧)

4、... 不晓得,马上查字典……

5、祝LZ凯旋,最得最满意的成绩!!!

 


作者: kitebird    时间: 2007-4-20 19:42

感谢闹闹专程回答我的问题。

一出手又解决我好多问题:)

我也不知道。现在状态很怪异,也不是紧张,也不是兴奋,反而有点批判情绪……






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