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　　Have you ever been in a meeting while someone was making a speech and realized suddenly that your 1 was a million miles away? You probably felt 2 and made up your mind to pay attention and never daydream again. Most of us, from earliest school 3 , have been told that daydreaming is a waste of time.

　　“On the contrary,”says L. Giambra, an expert in psyschology,“daydreaming is quite 4 Without it, the mind couldn’t get done all the 5 it has to do during a normal day. You can’t possibly do all your thinking with a conscious mind. 6 , your unconscious mind is working out problems all the time. Daydreaming then may be one 7 in which the unconscious and conscious 8 of mind have silent dialogue.”

　　Early experts in psychology paid no attention to the importance of 9 , or even considered them harmful. At one time daydreaming was thought to be a cause of some mental 10 . They did not have a better understanding of daydreams 11 the late 1980s. Eric Klinger, a professor of psychology, is the writer of the book Daydreaming Klinger says,“We 12 now that daydreaming is one of the main ways that we, 13 our lives, learn from our experiences, and plan for our future. Daydreams are really a reflection (反映) on the things we 14 or the things we long for in life.”

　　Daydreams are usually very simple and 15 , quite unlike sleep dreams, which may be 16 to understand. it’s easier to gain a 17 understanding of your life by paying close attention to your daydreams than by trying to examine your sleep dreams carefully. Daydreams help one 18 the difficult situations in life and find out a possible way for dealing with them.

　　Daydreams cannot be predicted (预见). They move off in 19 directions, which may be creative and full of useful ideas. For many famous artists and scientists, daydreams were, and are, a main source of creative energy.

　　So next time you catch 20 daydreaming, don’t stop . Just pay attention to your dreams. They may be more important than you think.

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Every year landslides {滑坡} cause 25 to 50 deaths and $1.5 billion in damage in the United States．They account for 15 percent of the deaths from natural disasters in Europe．And in Decem??ber, a single event killed more than 200 people in the Philippines．Sending workers to stabilize (加固) mountainsides using steel bars and cement (水泥) can help prevent disaster, but it introduces new difficulties．Shaking drills produce harmful dust and loosen heavy, dangerous debris (米屑)．"It's quite a risky job," says Giorgio Pezzuto of D'Appolonia, an engineering company in Italy.

D'Appolonia, working with eight other companies, may have an answer:  a three-ton robot called Roboclimber．"The idea is to operate a machine far away that can drill without a hu??man being on board,'" says Pezzuto, manager for the project, which is supported by the European Commission．Engineers claim that the machine will be faster and cheaper than manual labor．The robot, a large radio-controlled four-legged me??chanical spider (蜘蛛), has cost at least $2 mil??lion so far．The final product should be able to climb unstable mountainsides, drill holes, insert bars and cement, and collect data on the slope' s stability．Testing should begin in May.

The underlined word "event" (in Paragraph l) refers to ___.

A．landslide         B．machine C．earthquake       D．flood

The purpose in writing this text is ___..

A．to tell people how serious the damage caused by landslides is

B．to tell people that sending workers to sta??bilize mountainsides is a risky job

C．to introduce a product that can be used to stabilize mountainsides

D．to show people how to use a new product

What does the robot look like?

A．A human being． B．A spider．C．A truck．       D．A drill．

The biggest advantage of this product is that_________.

A．it will be faster and cheaper than manual labor

B．it can climb mountainsides, drill holes, insert bars and cement

C．it can collect data on the slope’s stability

D．it can drill without a human being on board

Directions: Read the following text and choose the most suitable heading from A – F for each paragraph. There is one extra heading which you do not need.

76._________________

Astronomers estimate that there are about l,100 asteroids--or space rocks--with the potential to cause a planet-wide disaster in a collision with Earth．And since large asteroids have collided with Earth many times in the past，scientists say it is certain that Earth will be hit again．It is only a question of when． 

77. _________________

The asteroid that ended the age of the dinosaurs hit the Earth 65 million years ago．It was at least six miles(10 kilometers)wide．But smaller asteroids can also devastate （毁坏）the earth．Scientists estimate that a collision with an asteroid even one—tenth this size would kill at least 25 per cent of Earth’s population．Less than a hundred years ago，for example，an asteroid only 330 feet(100 meters)wide exploded in Siberia．It completely destroyed half a million acres of forest．

78．_________________

Asteroids come from a belt of tens of thousands of space rocks in orbit around the sun．They normally travel between Mars and Jupiter，but some smaller rocks are affected by the gravitational pull of Mars，Jupiter or Saturn and their orbits are stretched．Sometimes this change puts them on a path that crosses Earth’s orbit．This sets up the possibility of collision with Earth．

79．_________________

In l986，a potentially dangerous asteroid missed Earth by only six hours．Scientists only found out about the danger after it had passed．Many more asteroids have collided with Earth over the years．We can still see their marks today — large craters in the ground．

80．_________________

NOW there is a new--found seriousness about asteroid strikes．Astronomers are engaged in a painstaking search for all asteroids that threaten Earth．And the United States has a project called NEAR that involves orbiting and studying the asteroid Eros，the second largest asteroid near Earth．Studying the composition of the asteroid provides important information hat may allow an asteroid to be exploded or knocked of course to prevent it from colliding with Earth．

(C)
Everyone gathered around and Paddy read out loud, skowly, his tone growing sadder and sadder. The little  headline said: BOXER  RECEIVFS LIFF SENTENCE.
Frank Cleary.aged 26,professional baxer. was today found guilty of the murder of Albert  Cumming . aged 32,laborer ,last July. The jury (陪审团)reached its decision after only ten minutes, recommending the most sever punishment the court could give out.It was, said the judge.a simple case. Cummjng and Cleary had quarreled violently at  the Harbour Hotel on July 23rd and police saw Cleary kicking at the head of the unconscious cumming.  When arrested  Cleary was drunk but clear-thinking…
Cleary was sentenced to life imprisonment with hard labour .Asked if he had anything to say , Cleary answered，“Jusr don't tell my mother.”
It happened over three years ago, " Paddy said helplessly.  No one answered him or moved.for no one knew  what to do. "Jus  don't tell my mother. said  Fee numbly. "And no one did!Oh. God! My poor. poor Frank!"
Paddy wiped the tears from his face and said. 'Fee dear, pack your things. We'll go to see him.
She half-rose before sinking back. her eyes in her small white face stared as if dead. "I can't  go . she said without a hint of pain . yet making evcryone feel that the pain was there.  "It would kill him to see me. I know him so well - his pride. his ambition. Let him bear the shame alone.it's what he wants.  We've got to help him keep his secret.  What good will it do him keep his secret what good will it do him to see us? "
Paddy was still weeping. buL not for Frank,  for the life which had gone from Fee's face .for the dying in her eyes. Frank had always brougt bitterness and misfortune ,always stood between Fee and himseLf.  He was the cause of her withdrawal from his hart and the hearts of his children.
Every time it lookcd as if there might be happinegs for Fee . Frank took it away.  But Paddy's love for her was as deep and impossibile to wipe out as hers was for Fiank.
So he said.  " Well,  Fee,  we won't  go  But we must make sure he is taken care of.  How about if l write to Father Jones and ask him to look out for Frank?
The eyes didn't liven .  but a faint pink stole into her cheeks  " Yes.  Paddy.  
Do that .  Only make sure he knows not to tell Frank we found out .Perhaps it would ease Frank to think for certain that we don't know"
51. Which of the following is true according to the passage?
A. Frank was found guilty Of murder because he was a professional boxer.
B. The family didn't find out what happened to Frank until three years later
C. The jury and the judge disagreed on whether Frank had committed murder.
D. Frank didn't want his family to find out what happened because Paddy disliked him.
52. Paddy didn't cry for Frank because he thought
       A. Frank did kill someone and deserved the punishment
B .Frank should have told Fce what had happened
C. what had happened to Frank was killing Fee
D. Frank had always been a man of bad moral character
53. Which of the following suggests that Fee was deeply shocked by what happened to Frank?
A.  " Her eyes in her small white face stared as if dead. "
B.  " Let him bear the shame alone . its what he wants. "
C.  " Every time it looked as if there miLhL be happiness for Fee , Frank took it away "
D.  " The eyes didn't liven .  but a faint pink stole into her cheeks "
54. "She half-rose before sinking back…" (in Paragraph 6) shows that
A. Fee was so heart-broken that she could hardly stand up
B .Fee didn'e want to upset Paddy by visiting Frank
C .Fee couldn't leave her family to go to see Frank
D Fee struggled betwccn wanting to See Frank and respecting his wish
55.  What is Fee's probable relationship with Frank and Paddy?
A Son and brother   B Son and husband
C Brothcr and lover  D Lover and husband

   A rainforest is an area covered by tall trees with the total high rainfall spreading quite equally through the year and the temperature rarely dipping below l6℃．Rainforests have a great effect on the world environment because they can take in heat from the sun and adjust the climate．Without the forest cover，these areas would reflect more heat into the atmosphere，warming the rest of the world. Losing the rainforests may also influence wind and rainfall patterns，potentially causing certain natural disasters all over the world．

   In the past hundred years，humans have begun destroying rainforests in search of three major resources(资源)：land for crops，wood for paper and other products，land for raising farm animals．This action affects the environment as a whole．For example，a lot of carbon dioxide(二氧化碳)in the air comes from burning the rainforests．People obviously have a need for the resources we gain from cutting trees but we will suffer much more than we will benefit.

   There are two main  reasons for this．Firstly，when people cut down trees，generally they can only use the land for a year or two．Secondly，cutting large sections of rainforests may provide a good supply of wood right now，but in the long run it actually reduces the world’s wood supply．

    Rainforests are often called the world’s drug store．More than 25％ of the medicines we use today come from plants in rainforests．However，fewer than l％of rainforest plants have been examined for their medical value．It is extremely likely that our best chance to cure diseases lies somewhere in the world’s shrinking rainforests．

72．Rainforests can help to adjust the climate because they                ．

  A．reflect more heat into the atmosphere

  B．bring about high rainfall throughout the world

  C．rarely cause the temperature to drop lower than l6℃

  D．reduce the effect of heat from the sun on the earth

73．What does the word“this”underlined in the third paragraph refer to?

  A．We will lose much more than we can gain．

  B．Humans have begun destroying rainforests．

  C．People have a strong desire for resources．

  D．Much carbon dioxide comes from burning rainforests．

74．It can be inferred from the text that   

  A．we can get enough resources without rainforests

  B．there is great medicine potential in rainforests

  C．we will grow fewer kinds of crops in the gained land

  D．the level of annual rainfall affects wind patterns

75．What might be the best title for the text?

  A．How to Save Rainforests

  B．How to Protect Nature

  C．Rainforests and the Environment

  D．Rainforests and Medical Development