英语教案－unin 14 Roots-听力完形

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16个时态，用16句话，便可以讲解完毕。时态必须在语篇中学习，才能真正掌握。

7 . 此题系20xx年之（31）题

　　 A computer can only do ________ you have instructed it to do.

　　A. how     B. after          C. what        D. when

答案 ：C    通过率 ：74%

测试语言点 ：名词从句，状语从句与动词不定式的协调应用。

要吸取的经验 ：

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　　类似第27题，这个短句子要作为一个“整体”看待。上文的do与下文的do都要兼顾。上文的do, do什么？下文的do又do什么？不回答这两个问题，便会顾头不顾尾，选择失误。试对比下面句子的不同上下文 ：

　　A computer can only do __what__ you have instructed it to do.

　　A computer can do nothing __when__ you haven’t instructed it to work .

　　A computer can only do something __after__ you have instructed it to do so.

　　A computer does not know __how_  human beings constructed robots ----

its new generation .

8. 此题系20xx年之（32）题

　　 Visitors __________  not to touch the exhibits .

　　A. will  request   B. request     C. are requesting   D. are requested

答案 ：D     通过率 ：66%

测试语言点 ：动词被动语态与主动语态的区别。

要吸取的经验 ：

　request这个动词你可能不认识，但是只要掌握了动词被动语态与主动语态的句型，顾名思义，便会区别它们 。例句：

　　Visitors _are requested（are asked）  not to touch the exhibits .

　　Visitors _request _ the guide not to show them around such a large hall with so many

　　exhibits within such a short time .  It is to take them only half an hour to visit

the whole museum  !

　　Visitors _will request_ the tour agency to make up for the loss of their time if there

is another twenty minutes’ delay during their visit to the second place of interest .

　　Visitors _are requesting _ the tour guide not to waste too much time on the exhibits

they are not interested in at all

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英语教案－unin 14 Roots-听力完形