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1、精品_精品资料_阅读懂得科技类Passage OneThe computer is a useful machine. It is the most important invention in many years. The oldest kind of computer is the abacus 算盘 , used in China centuries ago, but the first large, modern computer was built in 1946. A computer then could do maths problems quite fast.Today c
2、omputers are used in many ways and can do many kinds of work. In a few years thecomputer may touch the life of everyone, even people in faraway villages.In the last few years, there have been great changes in computers. They are getting smaller and smaller, and computing faster and faster, Many scie
3、ntists agree that computers can now do many things, but they cannot do everything. Who knows what the computers of tomorrowwillbe like.Will computers bring good things or bad things to people. The scientists of today will have to decide how to use the computers of tomorrow.1. The computer is amachin
4、e.A. helpfulB. strangeC. largeD. dangerous2. The first large, modern computer was built aboutyears ago.A. a fewB. fortyC. sixtyD. eighty3. The computers of today arethan before.A. biggerB. fewerC. smallerD. taller4. Computers can do.A. everything B. anythingC. nothingD. lots of things5. The scientis
5、ts of todayhow to use the computers of tomorrow.A. may decideB. must decideC. can make D. needn t makePassage TwoWarm water freezes more quickly than cold water. Sir Francis Bacon said that almost four hundred years ago. But few people believed him until 1970. In that year a Canadian scientist Georg
6、e Kill proved the English professor was right. Dr Kill filled an open oil pail桶 with cold water. He filled another with warm water. Heput both in thesame low temperature. Thewarm water froze first. The lack of covers on the pails is the secret. Some of the warm water changed into vapor. This meant t
7、hat less of the warm water was left to be frozen. And so the warm water froze faster than the cold water even though it had a greater temperature drop to make.1. Hundreds of years ago, Sir Francis Bacon found.A. the temperature of warm water drops faster than that of cold waterB. warm water is heavi
8、er than cold waterC. warm water has the same temperature as cold waterD. warm water is not as useful as cold water2. What Sir Francis Bacon said was right, but people didnt believe him until.A. late in the 20th centuryB. early in the 20th centuryC. three years agoD. late in the 19th century3. Leave
9、a pail with warm water and another pail with cold water in the same low temperature, you find that.A. cold water freezes firstB. warm water turns into ice before cold waterC. warm water and cold water freeze at the same timeD. much of cold water is changed into air.可编辑资料 - - - 欢迎下载精品_精品资料_4. Why doe
10、s warm water freeze first in the same freezing weather.A. Because some of the warm water turns to vapor, the amount数量 becomes less than that of cold water.B. Because warm water is lighter than cold water.C. Because the temperature of warm water is lower than that of cold water.D. Because cold water
11、freezes with more difficulty than warm water.Passage ThreeIf you do not use your arm or your legs for some time, they become weak; when you start using them again, they slowly become strong again. Everybody knows that. Yet many people do not seem to know that memory works in the same way. When someo
12、ne says that he has a good memory, he really means that he keeps his memory in practice by using it. When someone else says that his memory is poor, he really means that he does not give it enough chance to become strong. If a friend says that his arms and legs are weak, we know that it is hisown fa
13、ult 过错 . But if he tellsus that he has a poor memory, many of us think that his parents are to blame受批评 , and few of us know that it is just his own fault.Have you ever found that some people can rtead or write but usually they have bettermemories. This is because they cannot read or write andthey h
14、ave to remember things; they cannotwrite down in a little notebook. They have to remember days, names, songs and stories; so their memory is the whole time being exercised. So if you want to have a good memory, learn from the people: Practice remembering.1. The main reason for one is poor memory is
15、that.A. his father or mother may have a poor memoryB. He does not use his name or legs for some timeC. his memory is not often usedD. he can t read or write2. If you do not use your arms or legs for some time.A. you can t use them any moreB. they will become strongerC. they become weak and won t bec
16、ome strong until you use them again.D. they will become neither stronger nor weaker3. Which of the following is NOT true.A. Your memory works in the same way as your arms or legs.B. Your memory, like your arms or legs, becomes weak if you dongt ive it enough chance for practice.C. Don t learn how to
17、 read and write if you want to have a better memory.D. A good memory comes from more practice.4. Some people can t read or write, but they usually have better memories, because.A. they have save much troubleB. they have saved much time to remember thingsC. they have to use their memories all the tim
18、eD. they can t write everything in a little notebook5. Which is the best title for this passage.A. Don t Stop Using Your Arms Or LegsB. How To Have a Good MemoryC. Strong Arms And Good MemoriesD. Learn From the People可编辑资料 - - - 欢迎下载精品_精品资料_Passage FourWhen Johnson called again, the manager received
19、 him very politely.“ That is a most rem you brought us, Mr Johnson,” he said. Johnson nodded his smooth, dark head. That was something he knew very well.“ I ve never seen anything like it,” the manager admitted. Johnson nodded aga he said politely. Then he added,“ But I think you will, sir. A very g
20、reat deal of it.for a moment.“ I think you will find it will be on sale seven, perhaps, eight years from now.The manager thought that was uncertain. He said,“ It is better than our fish oils. I admit that.“ So I am told, sir,” agreed Johnson.“ Have you any plans to produce it yourself, Mr Johnson.”
21、“ Would I be showing it to youif I had.” Johnson smiled again.“ Wemight add some chemicals to one of our own fish oils,s”aid the manager. “ Itwould beexpensive to do that, even if you could,” Johnson said gently.“ Besides,” he added, oil will be much cheaper th an your best fish oils. Cheaper than a
22、ny vegetable oil, in fact.”“ Perhaps,” said the manage.“ Well, I suppose you want to make an arrangement, Mr Johnson. Shalwe discuss it.”“ Of course,” said Johnson.“ There are two ways of dealing with a fstihtuisatsi ort.oThe usual one is to prevent it altogether or at least to delay it as long as p
23、ossible. That is, of course, the best way. The manager nodded. He knew plenty about all that.“ But I am so sorry for you, because, you see, that is not possible this time.” Th doubts, but all he said was an inquiringasking,“ Oh.”“ The other way,” continued Johnson,“ is to produce yourself before the
24、 trouble starts.1. The manager thought of adding chemicals to the fish oil to make it.A. cheaper than the new oilB. more quicklyC. more expensiveD. as good as the new oil2. Johnson s new oil would be.A. more expensive than fish oil, but betterB. less expensive, and betterC. less expensive, but not g
25、oodD. more expensive, and not so good3. Johnson expressed his regret that the manager.A. could not stop the new oil being madeB. would never know how to make itC. had spent a lot of money on itD. didn t know enough about it4. Johnson showed his new oil to the manager because he wanted.A. to produce
26、it himselfB. to prevent it being producedC. to be paid not to produce itD. the manager to produce itPassage FiveCan you remember the first timeyou learned to ride abike or drive a car.Learning these skills changed your life forever and opened up new horizons. Learning about computers can be like lea
27、rning how to ride a bike or drive a car. Once you have invested the time to master the skills, you will never go back to the old days. The new technology is simply too convenient and too powerful.Technological developments through the years have enabled us to do more with less effort. We have contin
28、uously looked for better ways of doing things. Each invention and new development has allowedus to extend our capabilities. Today we see one of the most dramatic technologies ever developed the computer. It extends the capabilities of our minds.Computers have saved organizations millions of dollars.
29、 Furthermore, these same computer systems have opened up new opportunities that would have gone undiscovered or neglected. The computer may multiplywhat we can do, and the return on investment is high. The growth of computer usage is surprising. On the other hand, the computer can do serious damage.
30、 Invasion of privacy 侵害隐私 , fraud欺诈 , and computer-related mistakes are just a few shocking examples.可编辑资料 - - - 欢迎下载精品_精品资料_The computer is like a double-edged sword. It has the ability to cut us free from some activities, but it can also cut deep into profits, personal privacy, and our society in
31、general. How it is used isnot a function oftechnology. Itis strictlya functionof how people decide to use or misuse this new technology. The choice is yours, and only through a knowledge of computer systems will you be able to avoid the dangers while enjoying the many, many benefits of the computer
32、age.1. The writer thinks learning about computers is like learning how to ride a bike or drive a car because .A. it is simple and practicalB. it needs a lot of practiceC. it leads people to new life experiencesD. it takes much time to master the skills2. According to the passage, computers bring peo
33、ple the following benefits except.A. avoiding mistakesB. saving moneyC. making moneyD. opening up opportunities3. According to the writer, the bad effects of computers can be avoided if we.A. have sound knowledge of computer systemsB. tell people not to misuse computersC. have strict rules over the
34、use of computersD. make more investments in the technology4. This passage is probably written for.A. computersB. computer producersC. computer learnersD. computer programmersPassage SixPerhaps you have heard a lot about the Internet, but what is it, do you know. The Internet is a network. It uses th
35、e telephone to join millions of computers together around the world.Maybe that doesn t sound very interesting. But when you ve joined to the Internet, there are and lots of things you can do. You can send E-mails to your friends, and they can get them in a fewseconds. You can also do with all kinds
36、of information on the World Wide Web WWW.There are many different kinds of computers now. They all can be joined to the Internet. Most ofthem are small machines sitting on people s desks at home, but there are still many others in schools, offices or large companies. These computers are owned by peo
37、ple and companies, but no one reallyowns the Internet itself.There are lots of places for you to go into the Internet. For example, your school may have the Internet. You can use it during lessons or free time. Libraries often have computers joined to the Internet. You are welcome to use it at only
38、time.Thanks to the Internet, the world is becoming smaller and smaller. It is possible for you to work athome with a computer in front, getting and sending the information you need. You can buy or sell whatever you want by the Internet. But do you know 98% of the information on the Internet is in En
39、glish. So what will English be like tomorrow.1. What is the passage mainly about.A. Internet.B. Information.C. Computers. D. E-mails.2. Which is the quickest and cheapest way to send messages to your friends.A. By post.B. By E-mail.C. By telephone.D. By satellite.3. Which may be the most possible pl
40、ace for people to work in tomorrow.A. In the office.B. At school.C. At home.D. In the company.4. Whose the owner of the Internet.A. The headmaster.B. The officer.C. The user.D. No one.可编辑资料 - - - 欢迎下载精品_精品资料_5. What does the writer try to tell us with the last two sentences.A. English is important i
41、n using the Internet.B. the Internet is more and more popular.C. Most of the information is in English.D. Every computer must have the Internet.Passage SevenIn most towns today, you can see teenagers standing over electronic machines with flashing lights, shooting at spaceships from other planets an
42、d dropping bombs on strange monsters恶魔 .The machines have names like Space Warrior, Dark Invader and so on. It used to be believed that damage was done only to those strange visitors from outer space, but now it seems that they are striking back.Many teenagers like electronic games so much that they
43、 can sttop playing. They spend hourstightly holding the joystickcontrols and constantly pressing buttons marked“ fire” . They develop pa on their fingers because of the constant pressure. They play and play that the pains have no chance tocure properly. The rapid wristmovement required to guide the
44、spaceship across the screen causes another problem: The muscles of the wrist and arm become so inflamed and swollen 充血红肿 thatthey press against the bones. This condition is what doctors now call“ Space WarriorOther strange aches and pains also are likely to affect the elbows and shoulders.Another ev
45、en more alarming problem is shown by the case of a 17-year-old girl which was recently reported in the British Medical Journal. She had been playing various kinds of electronic games for more than two hours a day. Her father repaired games and machines and she could use the cassettes and systems in
46、his workshop as often as she liked. One day, after playing a game called Dark Invader, shelost consciousness晕倒 and fell to the floor.Doctors who examined her found she was suffering from an unusual illness caused by lights flashing at a particular frequency.1. Electronic games are found very popular
47、 with.A. people living in townsB. students studying in high schoolsC. girls wo rking in their father s workshopsD. young people2. “ Space Warrior s Wrist” is caused by.A. constantly pressing the buttonsB. rapidly moving across the screenC. tightly holding the joystick controlsD. inflamed and swollen muscles of the wrist3. The case of a 17-year-old girl given by the writer shows that the writer.A. supports playing electronic gamesB. feels very sorry for the girlC. disagreed with young peopleplayingselectronic gamesD. feels worried about young people s poor health4. From the passa