1、Lesson 21Books or Computers?.根据句意及首字母提示补全单词1This shop s_ many different styles of clothes. Yesterday I bought a yellow sweater there.2“Ancient” is the opposite of “m_”3I like paper books better than e_ books. What about you?4A rainbow a_ in the sky after the rain last Wednesday.5This is a printing p
2、_. It can make thousands of books every day.用适当的介词填空6_ ancient times, many farmers lived a hard life.7Susan usually learns English _ watching English movies.8It is helpful _ us to read more books.9Here is the best way _ pass the exam.10Do you know about the history _ books? It is very fun.单项选择()11.H
3、ave you finished your homework, Sue? Yes. It_ me an hour to do it.Aspent Btook Ccost Dpaid()12.Why were you shouting at Tom?I told him to be quiet, but he _ talking.Ajoined in Bended upCkept on Dput off()13.They are _ an eraser and playing a game.Agiving onto Bpassing onCputting on Dcoming on()14.Hi
4、s hard work made _ possible to have a bright future.Ait Bthat Cthis Dthem()15.These shoes were made _， not with a machine. So they are very expensive.Aby hand Bby the wayCin a word Dto my surprise.根据汉语意思完成句子，每空一词16对普通人来说读书很方便。 _ is very convenient for common people _ _ books.17我的表弟学会了如何自己制作风筝。My cou
5、sin learnt _ _ _ kites by himself.18现在信息传播得更快、更远。Now information travels _ and _19写下那个故事花费了作者一周的时间。It _ the writer one week to _ _ the story.完形填空The computer is a very wonderful machine, and it is so _20_ today that it seems we _21_ live or work without it. Computers are used in many_22_in offices,
6、in factories, in big shops, at schools and even at home. With the computer, people are living a better _23_. The computer is one of the greatest inventions in the _24_ century. The first computer was built in America which was named ENIAC, and it was not only very_25_， but also quite heavy. It was a
7、s big as two rooms! But the computer is developing very fast. Today they are becoming smaller and lighter. And they_26_ faster and faster. There are so many kinds of computers in the market that you can easily choose one that you like best. As the computer can do a lot of things for people, it helps
8、 us learn about the real world. With the computer, you can_27_ an email just in a few seconds to your friend or receive your _28_. Now you can see the computer really gives us a very nice picture about the world of tomorrow. So as students in the 21st century, we have to work hard and learn how to_2
9、9_ the computer very well. Dont you think so?()20.A.beautiful Binteresting Cpopular Denjoyable()21.A.can Bcannot Cmust Dmustnt()22.A.roads Bstreets Ccrossings Dplaces()23.A.life Bfriend Cfamily Dcountry()24.A.18th B19th C20th D21st()25.A.useful Blarge Csmall Dcheap()26.A.studies Bteaches Cwalks Dwor
10、ks()27.A.give Btake Cpost Dsend ()28.A.letter Bbook Chelp Dmessage()29.A.get Buse Cread Dwrite答案.1.sells2.modern3.electronic4appeared5.press.6.In7.by8.for9.to10.of.11.B句意：“休，你完成你的家庭作业了吗？”“完成了。做作业花费了我一小时。”“It takes/took sb. some time to do sth.”意为“做某事花费某人一段时间”。故选B。12C句意：“你为什么冲汤姆大喊呢？”“我告诉过他要安静，但是他还继续说
11、话。”keep on doing sth.意为“继续/一直做某事”，符合句意。join in意为“参加”；end up意为“结束”；put off意为“推迟”，均不符合句意。故选C。13B句意：他们正在传递橡皮擦做游戏。give onto意为“向着，朝向”；pass on意为“传递”；put on意为“穿上”；come on意为“快点；开始”。根据句意可知选B。14A此处用it 作形式宾语，动词不定式是真正的宾语。15A.16.It; to read17how to make18faster; farther19took; write down.20.C21.B22.D23.A24.C25B由第二段最后一句“It was as big as two rooms！”可知选B。26D27.D28.D29.B