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补充题96,D和E有什么区别?

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楼主
发表于 2007-8-1 05:54:00 | 只看该作者

补充题96,D和E有什么区别?

补充题96.  (420) There is substantial evidence that certain forms of solar energy either now or within a few years will be economically competitive with conventional sources of heat and power.

(A) either now or within a few years will be economically competitive with conventional sources of heat and power

(B) will either be economically competitive with conventional sources of heat and power within a few years or are so now

(C) will be economically competitive with conventional sources of heat and power either now or within a few years

(D) either are now economically competitive with conventional sources of heat and power or will be so within a few yearsD

(E) are either now or will be within a few years economically competitive with conventional sources of heat and power

D和E有什么区别?

沙发
发表于 2007-8-1 06:08:00 | 只看该作者
E的结构是are A or B, 即 are either now, or are will be,是个错误结构
D没有这个问题
板凳
发表于 2007-8-1 06:09:00 | 只看该作者
哪儿的补充题?是指的新东方以前的老五册上的吗,thanks
地板
 楼主| 发表于 2007-8-1 06:15:00 | 只看该作者
大全250补充题啊
5#
发表于 2007-8-1 06:37:00 | 只看该作者
请问再哪里下载啊?没搜到,置顶下载贴里也没有
6#
 楼主| 发表于 2007-8-1 08:55:00 | 只看该作者
give me your email, I'll send you.
7#
发表于 2007-8-1 11:44:00 | 只看该作者
luckipanda(A) hotmail.com
thank you
8#
发表于 2007-8-1 11:53:00 | 只看该作者
以下是引用eric123在2007-8-1 5:54:00的发言:

补充题96.  (420) There is substantial evidence that certain forms of solar energy either now or within a few years will be economically competitive with conventional sources of heat and power.

(A) either now or within a few years will be economically competitive with conventional sources of heat and power

(B) will either be economically competitive with conventional sources of heat and power within a few years or are so now

(C) will be economically competitive with conventional sources of heat and power either now or within a few years

(D) either are now economically competitive with conventional sources of heat and power or will be so within a few yearsD

(E) are either now or will be within a few years economically competitive with conventional sources of heat and power

D和E有什么区别?

either x or y,x和y要平行。

D平行,E不平行。

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