One of the requirements for the experiment is that the material _____ to its bu
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One of the requirements for the experiment is that the material _____ to its burning temperature.A.is heated | B.will be heated | C.be heated | D.would be heated |
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答案
C |
解析
试题分析:考查虚拟语气:主语是requirements的时候,表语从句中用虚拟语气,sb (should) do,还有the material和heat是被动关系,用(should) be heated,句意:实验的一个要求是材料要被加热到沸点。选C。 点评:英语中有4——四个表示“要求”的词,require, ask ,tell, demand;3——三个表示“建议”的词,suggest, recommend, advice;2——两个表示“命令”的词,order,command ; 1——一个表示“坚持”的词,insist。他们后面接 should+动词原形 的虚拟语气。Should可以省略。另外这些词的名词,后面的同位语从句和表语从句都是用虚拟语气。 |
举一反三
----Mary broke up with me! ----You ______ have forgotten about the Valentine"s Day.A.shouldn"t | B.couldn"t | C.needn"t | D.mustn"t |
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