新东方语法250题里6，30，31，33

shrine

6.  The use of gravity waves, which do not interact with matter ( in the way electromagnetic waves do, hopefully will enable) astronomers to study the actual formation of black holes and neutron stars.

B in the way electromagnetic waves do, will it is hoped, enable

答案是B，不知道为什么A不行。 hopefully 和 it is hoped，有什么差别？

30.  Freedman's survey showed that people living in small towns and rural areas consider themselves ( no happier than do people living) in big cities.

B not any happier than do people living
C  not any happier than do people who live
D  no happier than are people who are living
E not as happy as are people who live

答案是A，不知道为什么D不行， than后面用do，难道比较的是consider,
真的有点不太能习惯美国人说话的方式。

31.  ( It may someday be worthwhile to try to recover uranium from seawater,) but at present this process is prohibitively expensive.

B  Someday,it may be worthwile to try and recover uranium from seawater
C  Trying to recover uranium out of seawater may someday be worthwile
D  to try for the recovery of uranium out of seawater may someday be worthwhile
E  Recovering uranium from seawater may be worthwhile to try to do someday

答案还是A。不知道为什么C不行，我觉得用trying。。。做主语，然后后面一句用this process 指代，不是挺好吗？在这题里from 和 out of 还有什么区别吗？

33.  The spraying of pesticides can be carefully planned, but accidents, (whether conditions that could not be forseen, and pilot errors often cause much larger deposits of spray than they had)  anticipated.

B  weather conditions that cannot be forseen, and pilot errors often cause much larger deposits of spray than
D  weather conditions that are not forseeable, and pilot errors often cause much larger deposits of spray than

答案是D，不知道为什么B不行，两个很象啊，就不知道cannot be forseen & are not foreseeable 有什么区别。

先这几个，喂儿子吃饭，一会儿接着写。

1stzhang

6,这个题目考的是修饰。当助动词＋行为动词的时候，修饰成分放在两者之间。

30，后面的do代替consider

31，recover...from...是一个固定搭配；一般而言，分词做主语是不太好的。

33，完全是考了逻辑意思的合理性，机考中的难题。但是你的答案是记忆错误吧！

shrine

谢谢斑竹！
关于33，我还是不大能体会出两者之间的逻辑上的差别，可能因为译成中文是一样的吧，
能否再说的详细一点哪，真是麻烦你！
还有，什么叫“记忆错误啊”，不明白。