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1、2019屆高考英語一輪復習自選訓練 閱讀理解33Warm 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 George Kill proved the English professor was right. Dr Kill filled an open oil pail(桶) with co

2、ld water. He filled another with warm water. He put both in the same low temperature. The warm water froze first. The lack of covers on the pails is the secret. Some of the warm water changed into vapor. This meant that less of the warm water was left to be frozen. And so the warm water froze faster

3、 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 heavier than cold waterC. warm water has the same temperature as cold waterD. warm wate

4、r 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 a pail with warm water and another pail with cold water in the same low tempera

5、ture, youll 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.4. Why does warm water freeze first in the same freezing weather? A. Because some of the warm water turns to

6、 vapor, the amount(數(shù)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 freezes with more difficulty than warm water.【答案與解析】本文介紹熱水比冷水結(jié)冰快的現(xiàn)象。1. A。細節(jié)題。據(jù)第1句和第2句可知答案為A。2.

7、 A。細節(jié)題。根據(jù) But few people believe him until 1970 可知答案為A。3. B。細節(jié)題。根據(jù)文章第1句可得得答案為B。4. A。推斷題。根據(jù) Some of the warm water changed into vapor. This meant that less of the warm water was left to be frozen 可知答案為 A。*結(jié)束(4)When Johnson called again, the manager received him very politely. “That is a most remarkab

8、le oil you brought us, Mr Johnson,” he said. Johnson nodded his smooth, dark head. That was something he knew very well. “Ive never seen anything like it,” the manager admitted. Johnson nodded again. “No?” he said politely. Then he added, “But I think you will, sir. A very great deal of it.” He appe

9、ared to think for a moment. “I think you will find it will be on sale seven, perhaps, eight years from now.” He smiled. 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, M

10、r Johnson?” “Would I be showing it to you if I had?” Johnson smiled again.“We might add some chemicals to one of our own fish oils,” said the manager. “It would be expensive to do that, even if you could,” Johnson said gently. “Besides,” he added, “I am told that this oil will be much cheaper than y

11、our best fish oils. Cheaper than any vegetable oil, in fact.” “Perhaps,” said the manage. “Well, I suppose you want to make an arrangement, Mr Johnson. Shall we discuss it?” “Of course,” said Johnson. “There are two ways of dealing with a situation of this sort. The usual one is to prevent it altoge

12、ther or at least to delay it as long as possible. 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.” The manager had his doubts, but all he said was an inquiring(asking), “Oh?” “The othe

13、r way,” continued Johnson, “is to produce yourself before the trouble starts.”1. The manager thought of adding chemicals to the fish oil to make it _. A. cheaper than the new oil B. more quicklyC. more expensive D. as good as the new oil2. Johnsons new oil would be _. A. more expensive than fish oil

14、, but better B. less expensive, and betterC. less expensive, but not good D. more expensive, and not so good3. Johnson expressed his regret that the manager _. A. could not stop the new oil being made B. would never know how to make itC. had spent a lot of money on itD. didnt know enough about it4.

15、Johnson showed his new oil to the manager because he wanted _. A. to produce it himself B. to prevent it being producedC. to be paid not to produce it D. the manager to produce it【答案解析】本文講述了科技產(chǎn)品開發(fā)者尋求生產(chǎn)商投資生產(chǎn)的問題。1. D。細節(jié)題。根據(jù)第 2 段 It is better than our fish oils 和第 6 段 We might add some chemicals to our

16、 own fish oils 可知它的目的是 D。2. B。 細節(jié)題。根據(jù)第 6 段的 this oil will be much cheaper than your best fish oils 和第 2 段的 It is better than our fish oils 可推知答案為 B。3. A。細節(jié)題。根據(jù)倒數(shù)第 2 段 But I am so sorry for you, because, you see, that is not possible this time 可知 D 為正確選項。4. D。推斷題。根據(jù)最后一段及全文的分析可知 Johnson 的目的是想要該經(jīng)理生產(chǎn) th

17、e new oils，故選 D。*結(jié)束(6)Perhaps you have heard a lot about the Internet, but what is it, do you know? The Internet is a network. It uses the telephone to join millions of computers together around the world.Maybe that doesnt sound very interesting. But when youve joined to the Internet, there are lots

18、 and lots of things you can do. You can send E-mails to your friends, and they can get them in a few seconds. You can also do with all kinds 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 of them are small mach

19、ines sitting on peoples desks at home, but there are still many others in schools, offices or large companies. These computers are owned by people and companies, but no one really owns the Internet itself.There are lots of places for you to go into the Internet. For example, your school may have the

20、 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 time.Thanks to the Internet, the world is becoming smaller and smaller. It is possible for you to work at home with a computer in front, getting and sending

21、 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 English? 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 quickes

22、t 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 place 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 o

23、fficer.C. The user.D. No one.5. What does the writer try to tell us with the last two sentences?A. English is important in 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.【答案與解析】這是一篇關(guān)于 Internet 的說明文，它介紹了什么是

24、Internet，Internet 的用途，它的貢獻等等。1. A。主旨題。文章的每一段都談到了 Internet，所以我們可以推斷文章的主要內(nèi)容是 Internet。2. B。細節(jié)題。在第2段中談到 You can send E-mail to your friends, and they can get them in a few seconds，相比其他選項，E-mail 當然是最快的。3. C。細節(jié)題。最后一段的第2句講到 Its possible for you to work at home with a computer in front，所以明天我們極有可能 at home 工作了。4. D。判斷題。根據(jù)全文我們得知，我們可以在 school, libraries, home 等地方使用 Internet，所有的擁有者是大家，并不是某一個人或某一行業(yè)的從業(yè)者5. A。推斷題。最后兩句告訴我們：98% of the information on the Internet is in English，也就是說英語在 Internet 的應用是非常廣泛，非常重要的，除 A 選項外，沒有一個選項能全部概括這句話的意思。*結(jié)束內(nèi)容總結(jié)（1）*結(jié)束