27 19what's that noise oh,I forgot to tell you.The new machi

问题描述:

27 19
what's that noise
oh,I forgot to tell you.The new machine ( )
A was tested B will be tested C is being tested D has been tested
1请把题目和选项翻译一下.
1个回答 分类:英语 2014-10-02

问题解答:

我来补答
这是什么声音?
噢,我忘了告诉你.那是测试新机器运转的声音.
选C
从对话可看出是某人听到声音问的(what's=what is 故用一般现在时),
另一个人就回答他现在听到的是新机器的声音,机器作为物品,被人测试,故用被动语态(be tested).

再问: 请问 D 选项 是什么意思?
再答: has been done 是现在完成时,过去发生并且已经完成的动作对现在造成影响或后果 He has already obtained a scholarship We have seen that film before.
再问: has been tested 是 “已经被测试” 的意思吗? 或者说, the new machine has been tested 翻译过来是:这个新机器已经测试过了。 对不对? 回答得好我就选你了! 还有一个问题,C选项 的 be 为什么要加 ing ?
再答: has been tested   是 “已经被测试” 的意思
  C选项 的  be 加  ing 是因为这是现在进行时,由对话可知当时机器正在被测试~

 
 
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