完形填空

　　You have probably heard of homing pigeons, which usually appeared in war. From 3,000 B．C．to the present, homing pigeons have 1 as postmen. They have been especially useful for carrying messages 2 war. The telegraph is not 3 to carry about. Sometimes only the little pigeon can take a message where it ought to go.

　　In 1870, when the Prussians surrounded the city of Paris, the city was cut off from all the 4 means of communication. The people 5 many different ways of sending news. One way was to let go small balloons carrying mail.

　　 6 of course, they only drifted 7 the wind carried them. Often they landed inside the enemy’s lines. Even balloons large enough to carry a pilot could hardly be well controlled.

　　It was pigeons that in the end. solved the 8 . Homing pigeons were brought into 9 . Soon they were carrying letters far and wide. The enemy bought 10 to catch pigeons, but the little postmen could fly faster than their 11 . Strangely enough, pigeons played an important 12 in war.

　　During World War I every army unit had a group of pigeons 13 . Many of them wore honored. Among them 14 an American pigeon with a French name Char Ami, which meant “dear friend”. A group of U.S. soldiers were surrounded by the enemy. They had no food and no bullets. They nearly died of 15 . There was little hope for them. Cher Ami made his way 16 the bullets and succeeded. At once planes 17 to drop food and ammunition (军火) to them. With their strength 18 , the soldiers fought back to their own army and got saved.

　　 19 can pigeons carry the message? There were various methods. Usually the message is put into a little glass tube. The tube is tied to the leg or hidden under 20 or hung around the neck.

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　　You have probably heard of homing pigeons (鸽子), which usually appeared in war. From 3,000 B．C．to the present, homing pigeons have 1 as postmen. They have been especially useful for carrying messages in time of war. The telegraph is not 2 to carry about. Sometimes only the little pigeon can take a message where it ought to go.

　　In 1870, when the Prussians surrounded the city of Paris, the city was cut off from all the 3 means of communication. The people 4 many different ways of 5 news. One way was to let go small balloons carrying mail. 6 of course, they only drifted 7 the wind carried them. Often they landed inside the enemy's lines. Even balloons large enough to carry a pilot could hardly be well controlled.

　　It was pigeons that in the end solved the 8 . Homing pigeons were brought into 9 . Soon they were carrying letters far and wide. The enemy bought 10 to catch pigeons, but the little postmen could fly faster than their 11 . Strangely enough, pigeons played an important 12 in war.

　　During World War I every army unit had a group of pigeons 13 . Many of them were 14 . Among them was an American pigeon with a French name Cher Ami, which meant “friend”. A group of U.S. soldiers were surrounded by the enemy. They had no food and no bullets. They nearly died of 15 There was 16 hope for them. Cher Ami made his way 17 the bullets and succeeded. At once planes set out to drop food and ammunition (军火) to them. With their strength 18 , the soldiers fought back to their own army and got saved.

　　 19 can pigeons carry the message? There were various methods. Usually the message is put into a little glass tube. The tube is tied to the leg or hidden under 20 or hung around the neck.

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第三部分：阅读理解（共20小题；每小题2分，满分40分）

Most children, even the youngest of children, are delighted to be around cats and dogs. But these pets carry plenty of germs and allergens(过敏原), prompting researchers to ask: Are cats and dogs really safe for children?

A study finds that, contrary to many parents’ fears, owning cats or dogs does not increase a child’s risk of developing allergies, and in fact, may actually protect them. The study’s lead author, Dr. Dennis Ownby of the Medical College of Georgia, said that even he was “very surprised” by the results. Ownby and colleagues followed more than 470 children from birth to age 6 or 7, comparing those exposed to cats and dogs during their first years of life to those who were not.

By using skin-prick tests for detecting common allergies, the researchers found that, contrary to what many doctors had been taught for years, children who had lived with a pet were not at greater risk.

Even more remarkable, children who had two or more dogs or cats had an even greater reduction, up to 77 percent, in risk of allergies. Researchers suggest this protective effect may be the result of early exposure to lots of bacteria that are carried by dogs and cats. Exposing young children to these bacteria helps “exercise” their immune（免疫的） systems early in life so that they’re better able to resist allergic diseases later.

“There’s something very important in the first years of life when the immune system is developing that we can retrain it away from an allergic response,” said Dr. William Davis.

And while researchers are not encouraging parents to buy dogs or cats just to reduce a child’s allergy risk, they say if a family already has one or more animals, there’s no need to get rid of them.

56．Why do the researchers feel “very surprised” by the results of the study?

A. Because the results are contrary to what they have expected.

B. Because so many families are going to get rid of their cats and dogs.

C. Because parents are so much worried about their children.

D. Because children with animals may develop allergies easily.

57．Compared with children who have pets, those who haven’t ________.

A. will lose the chance to develop immune system

B. may suffer allergic diseases more often

C. will reduce the harm from bacteria

D. are more likely to resist allergic diseases

58.．It can be inferred from the passage that ________.

A. pets are ill-treated by their owners

B. fewer families would like to own cats and dogs

C. keeping pets is a good way to keep children healthy

D. the results of the study can make families with pets feel at ease

59．The underlined word “it” in the fifth paragraph refers to ________.

A. the early life                       B. an allergic disease

C. immune system                     D. something important

60．What may be the best title of the passage?

A. How to protect your kids from allergies.  B. Your pets may be helping your kids.

C. Bacteria do good to your kids.          D. Advantages of owning pets.

完形填空

　　We are often warned by our teachers not to waste time because time 1 will never return. I think it quite 2 . What does time look 3 ? Nobody knows, and we can't see it or touch it and no amount of money can buy it. Time is abstract, so we have to 4 it.

　　Time passes very quickly. 5 students say they don't have 6 time to review their lessons. It is 7 they don't know how to make 8 of their time. They waste it in going to theaters or parks, and 9 other useless things. Why do we study every day? Why do we work? Why do most people have to take buses instead of walking? The answer is very 10 . We wish to save time because time is priceless.

　　Today we are 11 in the twenty-first century. We 12 time as life. When a person dies, his life ends. Since life is short, we must 13 our time and energy to study so that we may be able to serve the people well in the future . laziness is the 14 of time, far it not only brings us 15 , but also does other 16 to us. If it is 17 for us to do our work today, 18 us do it today and not 19 it until tomorrow. Remember that time is much more 20 .

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It was 4 o'clock in the morning when I received the phone call．

    “This is the emergency room calling and your son was just  41  in with severe burns on his face，neck and arms．We have called for a（n）  42   and are going to fly him to the burn unit in Seattle．” Seattle was 350 miles from his college，so we knew immediately this was  43  ．

    The doctor described the  44  ，which caused the burns．At 6 am，our son and his friends decided to barbecue hamburgers in the courtyard of their apartment．When they   45   the charcoal（木炭），it burst into flames because they had sprayed too much gasoline（petrol）．The flames  46  my son’s shirt tail and shot from his waist to well over his head．

       47  ，one of the boys was quick-minded，grasped my son，and  48  him on the grass．While it saved his life，it was not in  49   to save him from severe burns and the terrible scars（伤疤）．

    After he  50  from the treatments，the doctors told him they would not do plastic surgery（整容）for 6 months  51  it takes that long for the skin to stop shrinking and wrinkling．So，he had to return to college with scars typical of severe burns．

    When I was a child, my mother told my sister，who had a 10-inch, very  52__ scar on her arm，“Nancy，if you ignore the scar，other people will ignore it．It does not mean they will not  53  it，but it means it will not matter to them if it doesn’t matter to you．’’

    I  54   this wisdom on to my son．He took my advice to  55  and returned to school with his head held high--glad he was alive．

    By the end of the six-month waiting period，he decided that the scars did not  56  , so he made the  57  to give up any plastic surgery．

    We all have “scars” that we believe  58  people to keep away from us．And we spend a lot of time thinking that if only we looked different，or dressed differently，people would like us better． 

     But you see，people will only judge you by your looks，or your clothes，if you are judging yourself by these same  59  standards．Put your imperfections out of your mind and concentrate on what you value  60  yourself，and your beauty will shine through．

A．brought        B．given          C．turned      D．showed

A．doctor         B．hospital        C．aircraft     D．ambulance

A．serious        B．terrible         C．painful     D．important

A．event          B．process         C．reason      D．accident

A．got         B．lit             C．burned      D．moved

A．took          B．held            C．caught      D．attracted

A．Fortunately   B．Surprisingly     C．Happily    D．Slowly

A．pushed        B．threw           C．dropped    D．rolled

A．shape          B．place           C．fact       D．time

A．benefited       B．recovered        C．suffered   D．relaxed

A．if             B．while         C．because     D．although

A．normal        B．violent          C．obvious    D．popular

A．mention       B．notice           C．laugh     D．hide

A．sent           B．kept          C．handed     D．passed

A．heart          B．life            C．practice    D．consideration

A．grow       B．matter          C．exist        D．appear

A．mistake        B．effort           C．decision    D．request

A．invite         B．cause           C．allow      D．remind

A．false          B．strict            C．moral           D．general

A．by            B．over            C．beyond   D．within