福建省漳州市芗城中学高中英语 Unit3 Computers练习 新人教版必修2.doc

unit3 computers一.单句填词1. a lot of problems remain to be_(解决).2. with everything he had missing, he was t hopeless and killed himself.3. who are you going to have _(打字)this letter for you ? 4. could you teach me how to d_ music from the internet ? 5. so many people around the world are learning or using english，so it is considered as a u_ language.二.单句改错1.a unknown virus has just attacked my computer.2. it is true that use my intelligence is what i am all about .3.it took ten years until they could afford to buy an apartment in the city.4. as time going by, computers are becoming more and more popular. 5.my goal is provide humans with a life of high quality.三完成句子1. in my opinion, the work is well done _(在某种程度上).2. can you imagine the trouble i have _(处理)the matter?3. forgive her,_( 毕竟 ),she is your only sister.4. they use specially trained dogs to_( 看守,守护) their sheep at night.5. _(在帮助下)his friends, he finally solved the problem.四. 完形填空 阅读下面短文，掌握其大意，然后从1-20各题所给的四个选项（a、b、c和d）中，选出最佳选项。last weekend at the airport, i had some extra time before going through security checkpoint ( 安检口 )to catch my flight. while wondering 1 to do, i decided it was the perfect time and place to look for an act of 2 to do !one of the magazine stands ( 摊位) outside security checkpoint had flowers 3 . i told the seller that id like to buy flowers for someone else, and she could 4 who to give them to. she looked a little 5 , so i suggested perhaps she 6 them to someone who looked sad and then hand him/her the smile card with the flowers.at first, the seller 7 , “thats weird ( 怪诞的 ).” (or maybe, “thats crazy,” i cant remember which.) but then, i explained a little more about 8 cards and the meaning of doing something kind for a complete stranger, and she 9 up.“ ill never know how it turned out,” i said, “but you will have the 10 to make someones day.” 11 this, she started to seem truly excited about it. she went to take the flowers out of the water they were 12 in, and i explained, “its fine to 13 them in there until the person you want to give them to 14 .” at that point, i think she was 15 between surprised and delighted, 16 it was clear that this was not a(n) 17 she had ever gotten from a customer before.i 18 the flowers, said goodbye, and headed 19 the security line .ill never know how it turned out, but i was in a good 20 for the rest of the morning.1. a. how b. when c. what d. where2. a. kindness b. guilt c. faith d. fool3. a. on show b. under control c. for sale d. in peace4. a. decide b. feel c. expert d. imagine5. a. disappointed b. puzzled c. satisfied d. interested6. a. giving b. give c. gave d. had given7. a. refused b. accepted c. nodded d. agreed8. a. bank b. plant c. smile d. flight9. a. woke b. moved c. brightened d. looked10. a. knowledge b. money c. challenge d. chance11. a. hearing b. heard c. to hear d. have heard 12. a. sitting b. moving c. planting d. putting13. a. dry b. leave c. grow d. bury14. a. suffers b. helps c. travels d. comes15. a. nowhere b. somewhere c. everywhere d. anywhere16. a. if b. as c. once d. while17. a. advice b. warning c. request d. joke18. a. put down b. set aside c. turned away d. paid for19. a. for b. away c. off d. in20. a. time b. mood c. seat d. place五阅读理解every year,ibm chooses five new technologies it believes will change the world within the next five years. the ibm list is called “five in five”. this year, the list shows some future devices ( 设备 ).imagine looking for clothes online and touching your computer or smartphone to feel the cloth . ibm vice president bernie meyerson predicts that technology could be possible in the next five years. touch is just one of the senses computers will help to extend ( 延伸).ibm says smart machines will soon be able to listen to the environment and give us information about the sounds they hear. for example, bernie meyerson says an advanced speech recognition system will tell new parents why their baby is crying. from the sound the baby is creating, you know the difference between a child who is sick and a child who is just lonely. that kind of understanding would be great for parents. smart machines will also help know medical conditions.if you sneeze ( 打喷嚏 )on your computer or cellphone,the machine will study thousands of molecules ( 分子) in your breath. then it can tell you whether you need to see a doctor. in the near future, built-in cameras in our personal computers will be able to examine and name colors and recognize images. mr. meyerson says ibm scientists are also developing a computer system that can examine and combine ( 结合 )food molecules to create the most popular smells. mark maloof is a computer science professor at georgetown university. he says he hopes the progress ibm is predicting will lead more students to create future inventions. and he adds that advances in computer technology will make what now seems like science fiction a part of our everyday life.1. accoring to ibm, “five in five” refer to_. a.five newest technologies among all its researches in recent five years. b.five new directions of society and business in five years. c.five newest technologies that will change peoples life in the next five years. d.five newest scientific directions in the world in five years.2. why does the author mention an advanced speech recognition system in paragraph 2? a. to show smart machines ability to listen to the environment. b.to lay the importance of humans sense of touch. c. to explain the reasons why a child cries. d.to prove that technology is widely used nowadays.3. what is profes