相应空白处的最佳选项。
(1)
Everyone likes things that are free, and businesses often give things for free to customers as a way of getting more people to pay attention to their products.
Ariely, a scientist from MIT, did an experiment on what people would do when 1 things that were free. He 2 a group of students two kinds of chocolates: the good one for 15 cents each and the poor one for I cent each. The good chocolate was worth ﹩1.00, so 15 cents was very cheap, 3 the poor quality chocolate was worth 5 cents, so 4 it for 1 cent wasn?t very cheap.
Most people chose the high quality chocolate for 15 cents. That?s not a 5 . But then Ariely lowered the 6 of both pieces of chocolate by 1 cent. If people were 7 correctly, then they should 8 choose the good quality chocolate. But that 9 what happened. Most people chose the free chocolate. This doesn?t make sense in our 10 way of understanding economic behavior(经济行为).
What is happening here? Ariely 11 that people want to get a good bargain, But they also want to reduce risk(风险). That is, they want to 12 the chance of making a 13 . If you pay 14 cents for a piece of chocolate, and then you don?t 14 like it when you eat it, you have lost 14 cents. But when something is free and you don?t like it, you haven?t lost anything. People would 15 not to take a risk over getting a better bargain. ( )1. ( ) 2. ( ) 3. ( ) 4. ( ) 5. ( ) 6. ( ) 7.
A. facing A. posted A. if A. getting A. dream A. weight A. working
B. buying B. produced B. as B. holding B. reason B. size B. thinking
C. giving C. offered C. for C. eating C. reply C. price C. planning
D. treating D. told D. but D. making D. surprise D. quality D. looking
( ) 8. ( ) 9. ( ) 10. ( ) 11. ( ) 12. ( ) 13. ( ) 14. ( ) 15.
A. still A. should be A. easy A. questioned A. find A. decision A. usually A. start
B. once B. shouldn?t be B. old B. explained B. learn B. mistake B. gradually B. prefer
(2)
C. almost C. is C. normal C. agreed C. lower C. promise C. certainly C. manage
D. even D. isn?t D. modern D. added D. take D. warning D. actually D. afford
Enough sleep is important to health. The amount of sleep 1 depends on the age of the person and the conditions in which sleep 2 . The young may need more sleep than the old, but generally eight hours are enough for the health of grown-ups. Some can 3 with less than this amount but 4 may need more. Every person knows his own need. It is then a mater of how to 5 it. Sleep should always be enough to make one relaxed(松弛)and ready for 6 work.
Fresh air is 7 to sound sleep(酣睡). It is not without reason for some people to 8 that it is practical to sleep in the open air. 9 a person can keep himself warm, out-of-door sleeping probably gives the body 10 complete relaxation.
Ability to sleep is largely a habit. The conditions referred to only lead to sleep. Out-of-door 11 ,a good habit of regular drinking and the avoidance of late eating and 12 are all helpful to sound sleep. Such factors are largely within the control of any person. A bath at 13 , neither hot nor cold but of 14 temperature, may be helpful to sleep. Sleeping pills should never be taken except when suggested by 15 . ( ) 1. ( ) 2. ( ) 3. ( ) 4.
A. wished A. falls down A. wake A. children
B. expected B. breaks out B. word B. women
C. needed C. wakes up C. do C. others
D. wanted D. takes place D. finish D. few
( ) 5. ( ) 6. ( ) 7. ( ) 8. ( ) 9. ( ) 10. ( ) 11. ( ) 12. ( ) 13. ( ) 14. ( ) 15.
A. help A. hard A. necessary A. suggest A. As A. a strong A. walks A. worry A. any time A. freezing A. the sleeper
B. satisfy B. his own B. able B. understand B. Where B. a most B. exercises B. fear B. bed time B. boiling B. a doctor
(3)
C. demand C. a day?s C. no good C. insist C. Unless C. a bad C. trips C. carelessness C. midnight C. low C. a child
D. take D. good D. best D. agree D. When D. an exciting D. housework D. hard work D. lunch time D. body D. parents
Brighton is a popular seaside town on the south coast of England. Not long ago, some policemen were very 1 . There had been several serious accidents 2 by motorists driving too fast. The police started to set up a speed trap（速度监视器）. They measured 3 of 88 yards on a straight road and watched to see 4 a car took to 5 that far. They knew that if a car took six seconds, it was traveling faster 6 the 7 limit of 30 miles an hour.
When the policemen were ready, they hid 8 a hedge(树篱) and started to time passing cars. During their first half an hour, they caught five drivers. The policemen wrote down the 9 of each car and the name and address of the driver. But for the next half an hour the policemen didn?t see anybody 10 too fast. They thought that this was very 11 . One of them drove a quarter of a mile along the road and saw two students 12 on the grass. They were holding up a sheet of cupboard so that motorists could see it. On the notice one of the students 13 : “Danger. Speed trap.”
The policemen took the notice away and wrote down the names of the students. Later on they were each fined ￡5 for 14 to stop the police catching motorists who 15 the law.
( ) 1. ( ) 2. ( ) 3. ( ) 4. ( ) 5. ( ) 6. ( ) 7. ( ) 8. ( ) 9. ( ) 10. ( ) 11. ( ) 12. ( ) 13. ( ) 14. ( ) 15.
A. pleased A. made A. a way A. how long A. walk A. than A. time A. over A. sign A. running A. common A. seat A. writes A. trying A. obeying
B. excited B. experimented B. a distance B. how far B. fly B. less than B. speed B. behind B. signal B. walking B. usual B. seating B. was writing B. lying B. studying
C. delighted C. researched C. a path C. how soon C. cross C. the same as C. expense C. across C. number C. driving C. ordinary C. sitting C. has written C. tying C. keeping to
D. puzzled D. caused D. a highway D. how often D. travel D. no less than D. area D. under D. shape D. climbing D. strange D. sit D. had written D. frying D. breaking
四、阅读理解。阅读下列短文，然后根据短文的内容从每小题的四个选项中选出最佳的一项。
（1）
“The price of books for our students is just getting higher and higher and, along with the rising cost of tuition(学费), it?s killing these students,” said Peter Jason, a college professor. “Remember, students are one of the poorest groups of people in America. Almost half of them have at least on part-time job. In fact, one of my students has three jobs. And she still manages to have high scores and go to school full-time.”
Textbook price are usually high. Adding to that problem, many college teachers change textbooks year after year; they either upgrade to a new edition(版本) or change to a different textbook. This further hurts students because if a teacher no longer uses a textbook, that book
has no resale value.
Dr. Jason decided to make life a little easier and a lot cheaper for his students by writing his own book on public speaking. “Many books have an increased price because of CD-ROMs, lots of color photographs and pictures. I talked to my students, and many of them, like me, prefer to keep things simple. So, a few years ago, I wrote my own textbook. I made sure that it was simple. Compared to most of other public speaking books, mine is half the number of pages, and one-third the price. That is ＄30 instead of ＄90. When I wrote a second edition last year, students only had to buy the 35 new pages. For only ＄7, they had almost a new book.” ( ) 1. What did Dr Jason say about students at college?
A. They are short of money. B. They need simple book. C. They have no part-time jobs. D. They are trying to get high scores. ( ) 2. What does “that problem” in Paragraph 2 refer to?
A. The high prices of textbooks. B. The low resale value of books. C. Too many different new books. D. No color pictures in textbooks. ( ) 3. What did Dr. Jason decided to do to help the students?
A.
To choose cheaper textbooks. B. To write a textbook himself.
C. To speak to his students. D. To use old textbooks ( ) 4. How much does a public speaking book usually cost?
A.
About 7 dollars. B. About 30 dollars.
C. About 37 dollars. D. About 90 dollars.
（2）
We don?t have beds in the space shuttle(航天飞机), but we do have sleeping bags. During the day, when we are working, we leave the bags tied to the wall, out of the way. At bedtime we untie them and take them wherever we?ve chose to sleep.
On most space shuttle flights everyone sleeps at the same time. No one has to stay awake to watch over the space plane; The shuttle?s computers and the engineers at the Control Office do