When you are searching for some information online.just as you look at when a book was published.you must also check the dates of the websites.usually at the bottom of the webpage．( )A．mustB．mightC 题目和参考答案——青夏教育精英家教网—

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5．When you are searching for some information online，just as you ________ look at when a book was published，you must also check the dates of the websites，usually at the bottom of the webpage．（　　）

A．

must

B．

might

C．

can

D．

should

分析当你在网上搜查信息时，也许正如你看一本出版的书，你也必须核查通常位于网页底部的日期．

解答答案是B．本题考查表示推测的情态动词；must在肯定句中表示"有客观依据的推断"，"肯定…"，本题中无肯定推测的客观依据，故排除；might可以用在肯定句和否定句中表示不太确定的推测"也许"，本题中表示在看出版的书的时候你"也许"会看书的出版日期，故B正确；can往往用在否定句和疑问句中表示推测，故排除；should表示"责任和义务"，不符合语境．

点评要在正确理解情态动词的基本含义的基础上，整体理解语境中的情感态度，做出合理的判断．

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