1、.完成句子1Qian Xuesen aerospace.钱学森是航空航天方面的专家。答案：is an expert at/in/on2Computers can many things.电脑可用来做很多事情。答案：be used to do3Hes been cancer for two years.他已经患癌症两年了。答案：suffering from4. Please what I am saying.请注意我说的话。答案：pay attention to5Whether this happened or not we shall never know.我们将永远无法得知这事是不是有意安排
2、的。答案：by design.单项填空1_ such a heavy loss, the boss didnt have the courage to go on with his business.AHaving suffered BTo sufferCSuffering from DSuffered解析：句意：老板遭受了那样严重的损失，所以没有勇气继续经营了。宾语是loss，所以用suffer而不用suffer from。suffer与主语the boss是主动关系，而且发生在谓语“didnt have”之前，故用having done形式。答案：A2More attention shou
3、ld be _ to your handwriting.Amade BtakenCplayed Dpaid解析：句意：应多加注意你的书写。pay attention to表示“注意”，此处用了被动语态。答案：D3In my opinion, life in the 21st century is much easier than _.Athat used to be Bit is used toCit was used to Dit used to be解析：句意：在我看来，二十一世纪的生活比以前轻松多了。used to be表示过去的情况。答案：D4As we all know, Yuan
4、Longping is an expert _ farming, and he is expert _ developing rice.Ain; on Bon; atCat; on Don; in解析：考查介词。句意：众所周知，袁隆平是农业方面的专家，他擅长培植水稻。an expert on“方面的专家”； be expert at .“擅长”。故选B。答案：B5He failed the exam quite _， because he always works hard at his lessons.Aby incident Bwith accidentCby accident Dby design解析：句意：他这次考试不及格纯属偶然，因为他学习总是十分努力。by accident “偶然”；by design “故意，有意”。答案：C
