又来问题了!补充-29,31

helenachanna

29.   Building large new hospitals in the bistate area would constitute a wasteful use of resources, on the basis of avoidance of duplicated facilities alone.

(A) on the basis of avoidance of duplicated facilities alone

(B) on the grounds of avoiding duplicated facilities alone

(C) solely in that duplicated facilities should be avoided

(D) while the duplication of facilities should be avoided

(E) if only because the duplication of facilities should be avoided

答案是最后一个 我看了那个解释又没看懂 不知道前面几个为什么错?A.B当中的on the basis of 和 on the grounds of 都怎么用啊?什么意思啊?

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

(A) It may someday be worthwhile to try to recover uranium from seawater

(B) Someday, it may be worthwhile to try and recover uranium from seawater

(C) Trying to recover uranium out of seawater may someday be worthwhile

(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

想问问答案E为什么不对??不好意思 最近做题问题很多,是不是补充250题特别难啊??做的都快没信心了!!

[此贴子已经被作者于2004-9-12 22:41:11编辑过]

rt316

对不起，请先将题目的出处显示在你的标题里，谢谢！

helenachanna

斑竹 我现在改了 可以回答我的问题了吗?

helenachanna

怎么没人回答啊?? 求求大家了!

helenachanna

为什么还是没人回答我的问题??!!!

bryan0806

29

http://forum.chasedream.com/dispbbs.asp?boardid=23&star=1&replyid=346956&id=26969&skin=0&page=1

http://forum.chasedream.com/dispbbs.asp?boardid=23&id=18419&star=1#307894

you can use serch to find out what you want first

这题之前已经 有很多讨论 多利用搜索

[此贴子已经被作者于2004-9-13 22:20:15编辑过]