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　　Module 5　A Lesson in a Lab
　　能 力 闯 关 
　　Ⅰ.单词拼写
　　1．Try a different m________ if the first one fails.
　　2．Have you set the ________(设备)up yet?
　　3．G________ brings things down to earth.
　　4．When you heat metal，it e________.
　　5．We use ________(电)to provide power for machines.
　　6．Iron does not r________ in air­free water.
　　7．Which of the metals in the table ________(反应)the most with ________(氧气)and water?
　　8．Hearing the astonishing news，everyone present had an a________ look on each face.
　　9．Yesterday Professor Wang gave us a l________ in Beijing University.
　　10．There’s a ________(留言)from Karen on the phone.
　　答案：1.method　2.equipment(apparatus)　3.Gravity　4.expands　5.electricity　6.rust　7.reacts；oxygen　8.astonished　9.lecture　10.message
　　Ⅱ.单项填空
　　1．I liked the picture ________，the more I looked at it.
　　A．better         B．the better        C．best             D．the best
　　解析：“the+比较级．..，the+比较级”结构中，比较级若置于句中，省略the。
　　答案：A
　　2．It’s clever ________ to make a mistake and correct it in no time.
　　A．for her          B．of her         C．by her            D．by herself
　　解析：句意：“她犯了错误立即给予纠正，太聪明了。”考查动词不定式的逻辑主语。she is clever...，显然答案是B。
　　答案：B
　　3．The country life he was used to ________ greatly since 2004.
　　A．change          B．has changed     C．changing         D．have changed
　　解析：句中的he was used to作定语从句，修饰前面的country life。句意是“他习惯的农村生活从2004年开始发生了很大的变化”。
　　答案：B
　　4．The total cost of their trip to Canada ________ $5,000.
　　A．added up to      B．added up        C．added to         D．was added up to
　　解析：add to意为“增加”；add up to意为“总计；加起来到”，不用于被动语态。
　　答案：A
　　5．We have ________ the conclusion that he is honest.Which is WRONG?
　　A．reached         B．drawn           C．arrived at        D．came
　　解析：come为不及物动词，“得出结论”可以用come to the conclusion。
　　答案：D
　　6．You should ________ yourself out of their quarrels.
　　A．prevent          B．keep           C．put              D．take
　　解析：keep...out of表示“不让……进入；使……不介入”。