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标题: PREP07-2第60题~求助~ [打印本页]

作者: changjiangtao 时间: 2011-4-20 06:59 标题: PREP07-2第60题~求助~

Pioneered by scientists at Los Alamos National Laboratory, BEAM roborts are not programmed to walk; instead they use brainlike circuts called neural networks to learn to walk through trial and error.

A. BEAM robots are not programmed to walk; instead they use brainlike circuits called neural networks to learn to walk through trial and error
B. BEAM robots learn to walk through trial and errorby using brainlike circuits called neural networks instead of by programming them
C. BEAM robots are not being programmed to walk but instead using brainlike circuits called neural networks and learning to walk through trial and error
D. brainlike circuits called neural networks are used instead of programming for BEAM robots learning to walk through trial and error
E. brainlike circuits called neural networks are being used for BEAM robots that learn to walk through trial and error instead of being programmed

在PREP笔记中解释C是说using和are not being并列了，但是为什么不能并列呢？？是因为using主动语态么？但是正确答案Ａ中也是用的they use呀~

作者: suners 时间: 2011-4-20 08:47

回复 1# changjiangtao

个人认为

1-- C从一开始的ing形式就是多余的。

2-- using 和learning用and是错误的。应该是 usingXXX to learn，就像原文中的一样，是useXXX 来learn，而不是使用什么，并且学习什么。

3-- 一个分词分开的两套独立主谓，不一定非要同样的语态吧。

作者: supermanlee 时间: 2011-4-20 20:52

主要是时态不对，为什么用被动语态的进行时呢？其次，没有体现出前后对

比的逻辑关系：not
programmed to walk ，but use....to learn to walk

作者: changjiangtao 时间: 2011-4-21 19:43

恩……时态……那也就是PREP笔记上的解释也不尽然对了？？你后面半句的意思是说C没有用learn to walk 而用的and learning没有表达出逻辑含义么？

作者: supermanlee 时间: 2011-4-23 19:59

是的...还没来得及拜读prep语法笔记啊,但我觉得可以并列，只是使用三个进行时态的并列分句很别扭，are not being ....but using brainlike circuits and learning...

作者: changjiangtao 时间: 2011-4-24 19:47

哈恩……谢谢啦

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