12.There is no doubt that computers are very useful in technology and business.With the (86)hhelp of computers,doctors can find diseases easily and solve other problems.In factories,robots (87)control(l)ed(控制) by computers can do work that is dangerous to humans.In business,computers are used to place and cancel orders.They are also making the workplace (88)safer(安全) and better.
Since the Internet(89)came into being,people's lives at home have changed,too.More and more people have personal computers,(90)andthey use them to play games and watch movies.Instead of writing letters on paper,people communicate by sending e-mails and (91)chatting online.The whole world is connected.The Internet is making the world smaller,(92)like a village.
Computers have improved our lives.They have brought us (93)convenience(方便),but they have brought problems,too.For example,if we (94)eexpose ourselves to computers too long,we may get headaches or sore eyes.Besides,not everything we read on the Internet is true or good for us.Computers help us at work and at home,but they must be used (95)pproperly.

分析 本文敘述了電腦在科技和商業(yè)領(lǐng)域發(fā)揮越來越重要的作用.

解答 86.help87.control88.safer 89.came come into being/existence90.a(chǎn)nd 91.chatting 92.like 93.convenience 94.expose 95.properly
86.help 考查固定搭配.with the help of…在…的幫助下,故填help.
87.control(l)ed 考查過去分詞作后置定語.robot與control是動賓關(guān)系,用過去分詞作定語,故填control(l)ed.
88.safer 考查比較級.根據(jù)and后的better可知,空白處應(yīng)該填比較級,故填safer.
89.came come into being/existence產(chǎn)生,形成,開始存在,故填came.
90.a(chǎn)nd 考查并列連詞.句意:越來越多的家庭開始擁有個人電腦,并且,他們使用電腦來玩游戲、看電影.兩個分句是并列關(guān)系,故填and.
91.chatting 考查固定搭配.By通過,后跟動名詞作賓語,chat的動名詞形式是雙寫字母"t"再加ing,故填chatting.
92.like 考查介詞.互聯(lián)網(wǎng)把整個世界都變小了,就像一個村莊一樣,like意為"像",是介詞,故填like.
93.convenience 考查名詞.convenient方便的,其名詞形式是convenience,bring sb sth帶給某人某物,故填convenience.
94.expose 考查固定搭配.expose sb to sth暴露于…,故填expose.
95.properly 考查副詞.句意:電腦幫助我們工作和休閑,但人們必須合理地使用電腦.修飾動詞use用副詞,properly合理地,故填properly.

點評 做這種類型的題目要逐句分析,前后一致.選擇答案時,要考慮整個句子的內(nèi)容,包括搭配、時態(tài)、語法等. 答案全部填完后,再通讀一遍,檢查是否通順流暢了,用詞得當(dāng),意思正確.

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