Rats eat our food or make it so dirty that it isn't fit for people at all. That's why people often kill them by laying down poison. After a day or two, they find the poison still there. The rats haven't touched it, even though it is near the food which they eat. People think they must be clever and cunning. Some scientists have been trying to find the best way to poison rats. They have watched to see just what a rat does day and night. They have found out that rats aren't so clever. They are just very shy.

　　Rats usually live in holes. They run from these holes to the places where they eat and drink. They have special paths on which they travel each time. So they know their paths quite well.

　　If anything new, such as stone or wood, is put in the path, the rats won't go near it at first as they are too frightened. It will take them many days to get over the fear. They are also frightened to go near a place that they know, where something has been taken away. If a path goes around a rock, the rats follow the same path around the rock each time. If the rock is taken away, they will still run round the place where the rock was! They won't cross the empty place, which is now open to them, even though it would be quicker.

　　Rats will always keep away from anything unusual to them. That's why they won't eat poison on the first or second night. They usually won't go anywhere near it for about four days until they get used to being there. Even then they only eat a little at a time.

　　If people want to kill rats with poison, all they have to do is to leave it out for a few days. Once the rats have got used to it, they will eat it and die.

　　1．This passage mainly tells us

　　　　A. how a rat destroys our food

　　　　B. how to poison a rat

　　　　C. what's a rat's habit

　　　　D. poisoning a rat is not easy

　　2．How does the writer feel about rats?

　　　　A. They are clever and cunning.

　　　　B. They are the most dangerous enemy.

　　　　C. They are smart and shy.

　　　　D. It's easy for them to get close to an unknown object.

　　3．________ rats have special paths to travel each time.

　　　　A. Because they live in holes most of the time

　　　　B. To find more food to eat and water to drink

　　　　C. In order not to eat anything poisonous

　　　　D. To protect themselves

　　4．If you want to kill a rat, ________.

　　　　A. you should make it get used to the poison

　　　　B. you should drive it out of the hole

　　　　C. you should place a rock on the path along which it runs

　　　　D. you should make it get over the fear to cross the empty place

阅读理解

阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项，并在正确选项上画勾。

　　How can we get rid of garbage? Do we have enough energy sources to meet our future energy needs?

　　These are two important questions that many people are asking today. Some people think that men might be able to solve both problems at the same time. They suggest using garbage as an energy source.

　　For a long time people buried garbage or dumped it on empty land. Now, empty land is scarce. But more and more garbage is produced each year. But garbage can be a good fuel to use. The things in garbage do not look like coal, petroleum, or natural gas; but they are chemically similar to these fossil fuels. As we use up our fossilfuel supplies, we might be able to use garbage as an energy source.

　　Burning garbage is not a new idea. Some cities in Europe and the United States have been burning garbage for years. The heat that is produced by burning garbage is used to boil water. The steam that is produced is used to make electricity or to heat nearby buildings. In Paris, France, some power plants burn almost 2 million metric tons of the city's garbage each year. The amount of energy produced is about the same as would be produced by burning almost a half million barrels of oil!

　　But there are problems in using garbage as a fuel. Garbage that burns easily, such as food scrapes and paper, must be separated from metals, glass, and other materials that do not burn easily. This separation process is normally costly. Another problem is that burning garbage can pollute the air.

　　Our fossil fuel supplies are limited. Burning garbage might be one kind of energy source that we can use to help meet our energy needs. This method could also reduce the amount of garbage piling up on the earth.

1．What two problems can be solved by burning garbage?

[　　]

A．The shortage of energy; air pollution.

B．The shortage of energy; the shortage of empty land for holding garbage.

C．Air pollution; the shortage of empty land for holding garbage.

D．Air pollution; the shortage of fossil fuel.

2．Which of the following is NOT a result of burning garbage?

[　　]

A．The heat produced is used to boil water.

B．The steam produced is used to make electricity.

C．The garbage burned is turned into fossil fuels.

D．The steam produced is used to heat buildings.

3．According to the passage, which of the following four groups of garbage is ready for burning?

[　　]

A．Food scraps and metals

B．Paper and glass.

C．Metals and glass.

D．Food scraps and paper.

A house in Clarktown caught fire on Christmas Eve,1982. The    1    who lived in the house was already in    2   .Being in poor health, she had trouble in    3    even when things were fine.    4    her house burning down around her, she was not able to go    5   .The smoke    6   her choke(窒息) .The fire was very hot. Without quick help she would have   7   .

Fire fighters    8    the house. They started to put the fire out. They did not know the old woman was still    9   .The people    10   her crying for help. The fire was still very hot    11    there was lots of smoke.

A man    12    like Santa Claus(圣诞老人) was passing by. He was on his way to give gifts to poor families.   13    had he heard the old woman’s cry when he ran into the    14    

house. After a while he rushed out with the old woman on his back and came to her safety. Then, as

   15    as he had done that, the man left. No one knew the real name of the hero who had saved the old woman’s life.

The man went on and took the gifts to the poor children. He did not return home    16   it was dark. He told his   17    what had happened. She decided that she did not    18    to keep the story a secret. She told people that Santa Claus was    19    David Rodriguez, her husband. Mr. Rodriguez is a music teacher    20    he is not playing Santa Claus.

1. A. hero　　　　 　　 B. woman　　　　　　　　　　 C. child　　   　　　　    D. man

2. A. the eighty　　   B. eighties 　　　　　　　　   C. her eightieth　　    D. her eighties

3. A. walking　　　　 B. speaking 　　　　　　　　 C. thinking　　　　     D. laughing

4. A. Because　　　　 B. For　　　　　　　　　　　　  C. With　　　　  　　   D. During

5. A. everywhere　　  　　   B. nowhere 　　　　　　　　 C. anywhere　　　　 D. somewhere

6. A. suffered　　      B. broke 　　　　　　　　　　　　    C. forced　　    　　    D. made

7. A. lived　　　　 　　 B. died　　　　　　　　　　　　 C. left　　　　  　　　　 D. stayed

8. A. looked for　　   B. searched through 　　 C. got to　　　　 　　　　　　  D. set up

9. A. out of doors　　 B. in the open air　　　　   C. outside　　　　 　　 D. inside

10. A. heard　　　　  　　   B. stopped 　　　　　　　　  C. felt　　　　  　　　　 D. kept

11. A. but　　　　 　　  B. and　　　　　　　　　　　　  C. or　　　　 　　　　    D. though

12. A. dressed  　　   B. chosen 　　　　　　　　  C. looked　　　　      D. acted

13. A. Only　　    　　 B. Hardly 　　　　　　　　    C. Never　　　　  　　 D. Badly

14. A. empty　　　　  B. crowded 　　　　　　    C. burnt　　　　  　　  D. burning

15. A. bravely　　　　 B. carefully　　　　　　　　  C. quickly　　　　 　　 D. proudly

16. A. until　　    　　  B. unless　　　　　　　　　　  C. while　　    　　　　 D. or

17. A. friend　　       B. son 　　　　　　　　　　    C. daughter　　　　  D. wife

18. A. want　　    　　 B. like　　　　　　　　　　　　  C. refuse　　　　  　　 D. need

19. A. nearly　　　　 B. really 　　　　　　　　　　  C. impossibly　　　　 D. probably

20. A. so that  　　　　B. even if 　　　　　　　　  C. when　　　　  　　  D. since

第二节：完形填空（共20小题；每小题1.5分，满分30分）

阅读下面短文，掌握其大意，然后从36～55题所给的四个选项（A、B、C和D）中，选出最佳选项。

Two friends visited the zoo together. The zoo was very large and it was 36 to go everywhere. They had to decide where and which animal to visit as their time was 37. So both of them agreed not to 38 after choosing a 39 at every fork (岔路口).

A road sign at the first fork 40 one way to the lion quarters and the other to the tiger hill. They decided on the 41 after a 42 discussion because lions were “the king of the grassland”. The second showed a division (路口) going separately to the panda and peacock. They 43 panda as it was the nation’s treasure and went its way. Thus they made choices all along the way and each choice meant 44  what they couldn’t help regretting. But they had to make it, and  45 , for it brooked(容忍) no delay. If they hesitated they would miss 46  . Only 47 decision could offer more chances for sightseeing and 48  possible regret.

Life is 49 like this—choices often occur that one has to make, for example, between two 50  jobs, two fascinating wooers(追求者). To get one you 51 give up the other——you can get half of it. If you 52 weighing the pros and cons and calculating gains and losses, you will most likely 53 empty-handedness. Don’t be sad about it.  54 you have got half of the desirable things in life——something that is  55 to come by.

36. A. easy               B. eager　　　       C. impossible       D. possible

37. A. enough　　　       B. limited　　 C. tight             D. plentiful

38. A. retrace          B. come　　　       C. go　　　　　    D. go back

39. A. main road　          B. branch　　         C. crossing　　　   D. highway

40. A. showed　　　      B. pointed　　         C. intended　　　  D. made

41. A. former　　　        B. later　　　     C. last                D. the third

42. A. brief　　　           B. long　　　         C. no　　　　　    D. heated

43. A. hoped　　　        B. wanted　　       C. favored             D. got

44. A. getting          B. taking　　          C. grasping           D. giving up

45. A. slowly　　　         B. immediately      C. timely　　      D. easily

46. A. less　　　　         B. more　　　       C. most　　　　  D. least

47. A. high　　　　        B. slow　　　        C. short　　　　  D. rapid

48. A. increase　　             B. rid　　　　         C. reduce　          D. raise

49. A. just exactly        B. more or less         C. hardly           D. most

50. A. unwanted　　      B. rejected　       C. enjoyable          D. desirable

51. A. wish　　　　       B. want　　　       C. must　　　　　 D. have to

52. A. spend time　　    B. kill time            C. have a hard time  D. hope for

53. A. start with　      B. get up　　          C. succeed in　　   D. end up in

54. A. By no means       B. Not in the least   C. At most              D. At least

55. A. stupid　　　         B. delighted　     C. hard               D. supported

　A few months ago, it wasn't unusual for 47-year-old Carla Toebe to spend 15 hours per day online. She'd wake up early, turn on her laptop and chat on Internet dating sites and instant-messaging programs – leaving her bed for only brief breaks. Her household bills piled up, along with the dishes and dirty laundry, but it took constant complaints from her four daughters before she realized she had a problem.

　　"I was starting to feel like my whole world was falling apart – kind of slipping into a depression," said Carla. "I knew that if I didn't get off the dating sites, I'd just keep going," detaching (使脱离) herself further from the outside world.

　　Toebe's conclusion: She felt like she was "addicted" to the Internet. She's not alone.

　　Concern about excessive Internet use isn't new. As far back as 1995, articles in medical journals and the establishment of a Pennsylvania treatment center for overusers aroused interest in the subject. But as reliance on the Web grows, there are signs that the question is getting more serious attention: Last month, a study published in CNS Spectrums claimed to be the first large-scale look at Internet overuse. The American Psychiatric Association may also consider listing Internet addiction in the next edition. And scores of online discussion boards have popped up, on which people discuss negative experiences tied to too much time on the Web.

    The new CNS Spectrums study was based on results of a nationwide telephone survey of more than 2,500 adults. Like the latest survey, this one was conducted by Stanford University researchers. About 6% of respondents reported that "their relationships suffered because of excessive Internet use." About 9% attempted to conceal "nonessential Internet use," and nearly 4% reported feeling " still occupied by the Internet when offline."

　　"The Internet problem is still in its early stage," said Maressa Orzack, a Harvard University professor. No single online activity is to blame for excessive use, he said. "They're online in chat rooms, checking e-mail, or writing blogs. The problem is not limited to porn (色情) or gambling websites.”

　　“Excessive Internet use should be defined not by the number of hours spent online but in terms of losses.”said Maressa Orzack. "If it's a loss where you're not getting to work, and family relationships are breaking down as a result, then it's too much."

　　Since the early 1990s, several clinics have been established in the U. S. to treat heavy Internet users. They include the Center for Internet Addiction Recovery and the Center for Internet Behavior.

　　The website for Orzack's center lists the following among the psychological symptoms of computer addiction:

　　● Having a sense of happiness or excitement while at the computer.

　　● Longing for more and more time at the computer.

　　● Neglect of family and friends.

　　● Feeling empty, depremssed or irritable when not at the computer.

　　● Lying to employers and family about activities.

　　● Inability to stop the activity.

　　● Problems with school or job.

　　Physical symptoms listed include dry eyes, backaches, skipping meals, poor personal hygiene (卫生) and sleep disturbances.

　　“People who struggle with Internet overuse maybe depressed or have other mood disorders.” Orzack said. When she discusses Internet habits with her patients, they often report that being online offers a "sense of belonging, and escape, excitement and fun," she said. “Some people say relief…because they find themselves so relaxed.”

　　Some parts of the Internet seem to draw people in more than others. Internet gamers spend countless hours competing in games against people from all over the world. One such game, called World of Warcraft, is cited on many sites by posters complaining of a "gaming addiction."

　　Andrew Heidrich, an education network administrator from Sacramento, plays World of Warcraft for about two to four hours every other night, but that's nothing compared with the 40 to 60 hours a week he spent playing online games when he was in college. He cut back only after a full-scale family intervention (干预), in which relatives told him he'd gained weight.

　　“There's this whole culture of competition that sucks people in with online gaming, ”said Heidrich, now a father of two. People do it at the expense of everything that was a constant in their lives." Heidrich now visits websites that discuss gaming addiction regularly “to remind myself to keep my love for online games in check”.

　　Toebe also regularly visits a site where posters discuss Internet overuse. In August, when she first realized she had a problem, she posted a message on a Yahoo Internet addiction group with the subject line:“I have an Internet Addiction.”

　　“I'm self-employed and need the Internet for my work, but I'm failing to accomplish my work, to take care of my home, to give attention to my children,”she wrote in a message sent to the group. “I have no money or insurance to get professional help; I can't even pay my loan and face losing everything.”

　　Since then, Toebe said, she has kept her promise to herself to cut back on her Internet use. "I have a boyfriend now, and I'm not interested in online dating," she said by phone last week. "It's a lot better now."

What eventually made Carla Toebe realize she was spending too much time on the Internet?

　A. Her daughter's repeated complaints.

　B. Tiredness resulting from lack of sleep.

　C. The poorly managed state of her house.

　D. The high financial costs adding up.

What is the main idea of para4?

A. A study claimed to be the first large-scale look at Internet overuse.

B. The American Psychiatric Association plans to list Internet addiction in its edition.

C. There are heated discussions about negative experiences over internet overuse.

D. There is a growing concern towards internet addiction.

According to Professor Maressa Orzack, Internet use would be considered excessive if ______.

　A. it seriously affected family relationships

　B. one visited porn websites frequently

　C. too much time was spent in chat rooms

　D. people got involved in online gambling

According to Orzack, people who struggle with heavy dependence on    

the Internet may feel ______.

　A. discouraged   B. pressured    C. depressed    D. puzzled

Andrew Heidrich now visits websites that discuss online gaming addiction to _____.

　A. improve his online gaming skills

　B. control his desire for online gaming

　C. show how good he is at online gaming

　D. exchange online gaming experience

Which of the following best describes the tone(口吻) of the passage ?

 A. Humorous      B. Ironic       C. Objective      D. Casual