请问大全318,830

redemption

(全部全真题947) 830. The spraying of pesticides can be carefully planned, but accidents, weather conditions that could not be foreseen, and pilot errors often cause much larger deposits of spray than they had anticipated.
(A) weather conditions that could not be foreseen, and pilot errors often cause much larger deposits of spray than they had
(B) weather conditions that cannot be foreseen, and pilot errors often cause much larger deposits of spray than
(C) unforeseeable weather conditions, and pilot errors are the cause of much larger deposits of spray than they had
(D) weather conditions that are not foreseeable, and pilot errors often cause much larger deposits of spray than
(E) unforeseeable weather conditions, and pilot errors often cause much larger deposits of spray than they had
答案是B，我想请教BD的区别，that cannot be foreseen和that are not foreseeable有什么区别？GMAT好象不喜欢用被动，为什么这里选择了被动？

(全部全真题947) 318. From 1965 on, Yugoslavia’s standard of living has soared, but unemployment and prices too.
(A) but unemployment and prices too
(B) and also unemployment and prices
(C) but so have unemployment and prices
(D) and so also unemployment and prices
(E) but so did unemployment and prices
答案是C,不明白的是为什么用转折but,前面是说上升，后面也是说上升。怎么不用and?

[此贴子已经被作者于2003-11-23 10:53:34编辑过]

yzlinlin

1,不要轻易改变原题里的情态动词。

2，因为二者一个是好现象，一个是坏趋势。注意改错一定要在先理解题意的基础上做题----而且从现在的真题来看，这个考查趋势越来越明显。

redemption

哦，明白。看来我对语法理解还太浅。谢谢版主。

quiny

3x