标题: 新东方语法250题里6，30，31，33 [打印本页] 作者: shrine 时间: 2003-8-30 08:24 标题: 新东方语法250题里6，30，31，33 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
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。