阅读理解 Believe it or not, optical illusion(错觉) can cut highway crashes. Jap
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Believe it or not, optical illusion(错觉) can cut highway crashes. Japan is a case in point. It has reduced automobile crashes on some roads by nearly 75 percent using a simple optical illusion. But stripes, called chevrons(人字形), painted on the roads make drivers think that they are driving faster than they really are, and thus drivers slow down. Now the American Automobile Association Foundation for Traffic Safety in Washington D.C. is planning to repeat Japan"s success. Starting next year, the foundation will paint chevrons and other patterns of stripes on selected roads around the country to test how well the patterns reduce highway crashes. Excessive (too great) speed plays a major role in as much as one fifth of all fatal traffic accidents, according to the foundation. To help reduce those accidents, the foundation will conduct its tests in areas where speed-related hazards (danger) are the greatest curves, exit slopes, traffic circles, and bridges. Some studies suggest that straight, horizontal bars painted across roads can initially cut the average speed of drivers in half. However, traffic often returns to full speed within months as drivers become used to seeing the painted bars. Chevrons, scientists say, not only give drivers the impression that they are driving faster than they really are but also make a lane appear to be narrower. The result is a longer lasting reduction in highway speed and the number of traffic accidents.
1. On roads painted with chevrons, drivers tend to feel that ________.
A. they should avoid driving fast. B. they are driving in the wrong lane C. they should slow down their speed D. they are coming near to the speed limit
2. The advantage of chevrons over straight, horizontal bars is that the former ________.
A. can keep drivers awake B. can cut road accidents in half C. will look more attractive D. will have a longer effect on drivers
3. What does the American Automobile Association Foundation for Traffic Safety do?
A. change the road signs across the country B. try out the Japanese method in certain areas C. replace straight, horizontal bars with chevrons D. repeat the Japanese road patterns
4. What of the following is true about straight, horizontal bars painted across roads?
A. They are suitable only on broad roads. B. They are falling out of use in the United States. C. They cannot be used successfully to traffic circles. D. They are ignored in a long period of time.
5. What"s the best title of the passage?
A. a new pattern for painting highways B. a new way of highway speed control C. a new way of training drivers D. a new type of optical illusion |
答案
1-5:CDBDB |
举一反三
完形填空 |
Dear Classmates, As young people, we don"t always want to think about the past. 1 we often hear our grandfathers and grandmothers talk about cultural relics. They say we 2 protect some of these relics because they are important to our culture. 3 also say that these relics are important to us because they help us remember the 4 of our ancestors and respect what they have done. I"m sure you will 5 . After all, someday we will be 6 ourselves and will want our own children to protect them. So I have a plan for 7 the painting in the old temple, which is a fine cultural relic 8 in our hometown. It should be protected because it was painted by a 9 artist of the early Qing Dynasty. My plan is to get students to take a 10 to see it on a Saturday next month and then 11 some important people to join us. 12 , we can also write 13 about it for the town newspaper. Later, when others begin to 14 their help, perhaps we can 15 enough money to help the museum buy it. If you like my plan, please give me a note to your teacher. Thank you. |
( )1. A. However ( )2. A. can ( )3. A. Some ( )4. A. days ( )5. A. refuse ( )6. A. greater ( )7. A. surviving ( )8. A. there ( )9. A. famous ( )10. A. trip ( )11. A. take ( )12. A. In a word ( )13. A. a poem ( )14. A. prove ( )15. A. make | B. Yet B. must B. We B. dreams B. allow B. stronger B. remaining B. here B. rare B. look B. order B. Besides B. a passage B. offer B. earn | C. Therefore C. will C. They C. lives C. doubt C. richer C. saving C. where C. gifted C. bus C. beg C. First of all C. an article C. supply C. raise | D. And D. need D. Others D. styles D. agree D. older D. removing D. anywhere D. skillful D. rest D. ask D. By the way D. a diary D. provide D. give | 语法填空 Over time I have been changed quite a lot. I began 1__________ a calculating machine in France in 1642. 2______________ I was young I could simplify difficult sums. I developed very 3(slow)________ and it took nearly two hundred years 4_______________ I was built as an analytical machine by Charles Babbage. After I was programmed 5____________ an operator who used cards with holes, I could "think"logical and produce 6_____________ answer quicker than any person. At that time 7_____________ was considered a technological revolution and the start of my "artificial intelligence". In 1936 my real father, Alan Turing, wrote a book 8____________ how I could be made to work as a "universal machine" 9(solve)________________ any difficult mathematical problem. From then on, I grew rapidly 10_____________ in size and in brainpower. | 完形填空 | The TV English has an important part in our city though it began only several years ago. During the _1_ years of operation, there were only _2 programmes for _3_ who wanted to_4_ English. Those English language programmes of _5_ and learning were not _6_ at all _7_ the teachers on TV talked too _8_ in Chinese on grammar or just gave some translations or _9_. Watching English on TV was _10 as listening to the teacher in the _11_. But now the TV English has greatly _12_. There are lots of new good programmes, _13_ English on Sunday, American English, Follow Me to Science, Animal World, English News, English TV Show, Business English, Sports, MTV. Those programmes are usually so _14_ and easy to understand that more and more people enjoy watching them. They are becoming widely _15_ not only with all English learners but also with the public. | ( )1. A. first ( )2. A. little ( )3. A. teachers ( )4. A. speak ( )5. A. speaking ( )6 .A. useful ( )7. A. when ( )8. A. much ( )9. A. words ( )10. A. as good ( )11. A. classroom ( )12. A. stayed up ( )13. A. expect ( )14. A. lively ( )15. A. shaken | B. many B. few B. people B. teach B. working B. interesting B. if B. slowly B. explanations B. as much B. house B. gone up B. such as B. long B. lovely | C. past C. a little C. children C. learn C. broadcasting C. important C. unless C. badly C. texts C. the same C. park C. improved C. thanks to C. wise C. rich | D. last D. a few D. students D. be D. teaching D. necessary D. because D. quietly D. lessons D. as helpful D. theatre D. appeared D. and D. strange D. popular | 阅读理解 | Everyday, 340 million people speak it. One billion people are learning it and it is said that by 2050, half of the world"s population will be using it. What are we talking about? That global language-English. The English language started in Britain in the 5th century. It is a mixed language. It was built up when German. Scandinavian and French invaders settled in England and created a common language for communication. Today it is the official language of the UK, the USA, Australia, New Zealand, Canada, South Africa and Ireland as well as many islands in the Caribbean . Many other countries and regions use it for politics and business, for example, India. Pakistan, Nigeria and the Philippines. English is also one of the official languages of Hong Kong. But global advertising and pop music mean that in most countries, you will see or hear some English. Thanks to McDonalds, we all know about "burgers". "fries" and "milkshakes". Songs by Madonna, Britney Spears and Celine Dion are in English. We can sing along, even if we do not understand what we are singing! English is a messy (杂乱的) language. Every year, dictionaries include new words that talk about popular culture, for example, computer-related words such as "blogging", "download" and "chatroom". Also included are words that teenagers use. Who does not know "cool", "OK" and "hello" ? Other languages also influence English. Many English words come from French. Words like "cafe" and expressions like "c"est la vie" (that is life) are all part of the English language. On the other hand, the French language includes English words like "le weekend" and "le camping". German words are also part of English. Words like "kindergarten" come from the German language. Recently, British people have become interested in "yoga". But the word comes from an ancient Hindu language in India.
1. The English language has a history of ______.
A. over 2000 years B. over 500 years C. over 1500 years D. over 1000 years
2. The underlined expression "thanks to " can be replaced by ______.
A. because of B. thankful to C. not until D. as if.
3. Which of the following statements is true about the language of English ?
A. It has been changing all the time. B. It has borrowed words from all the other languages. C. French words are used by the English because dictionaries have French words. D. Singers and film stars have the greatest influence on language.
4. How many people in the world are using English now?
A. One billion people B. 340 million C. almost all the people in the world. D. not mentioned above, but the number is growing rapidly.
5. Many countries and regions use it for politics and business except______.
A. the USA B. Nigeria C. the Philippines D. Norway | 语法填空 I am fond of my sister but she has one serious shortcoming. She can be (1) (real)________ stubborn. (2)______ she didn"t know the best way of getting to places, she insisted that she (3 )(organize)______ the trip properly. Now I know that the proper way is always her way. I kept (4) (ask)_______ her, "When are we leaving and when are we coming back ?" I asked her (5)________ she had looked at a map yet. Of course she (6) (not)______; my sister doesn"t care about details. So I told her that the source of the Mekong is in Qinghai Province. She gave me a (7) (determine) __________ look -the kind that said she would not change her mind. When I told her that our journey would begin (8)_____ an altitude of more than 5,000 metres, she seemed to be (9) (excite)_______ about it. When I told her the air would be hard to breathe and it would be every cold, she said it would be an interesting experience. I knew my sister well. Once she has made up her mind, (10) _______ can change it. Final I had to give in. |
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