B

　　Fever has usually been regarded as a threat to health.However,no one has actually proved that fever is dangerous.This fact attracted the attention of Matthew J.Kluger.Imagining that fever might not be as harmful as it had been supposed,Kluger set up a series of experiments with lizards(蜥蜴).

　　What Kluger and his team did his team did in their first experiment was simple.They put some lizards in a sand-box,one end of which was heated to 44℃,while the other was at a room temperature.It was found that the lizards moved form one part of the box to the other in order to keep a constant temperature of about 38℃.Having shown that normal lizards regulate(调节) their own temperature,Kuger,in a second experiment,then set out to show that lizards,like most other animals,develop fever when infected.This was done by making lizards infected with bacteria (细菌) that were known to cause disease.As the team expected,the infected lizards remained longer in the heated part of the box,until they had raised their body temperatures to two or three degrees above normal.In other words,the sick lizards gave themselves fever.

　　In a third experiment,the team observed the effect of temperature on the survival of the lizards.One group of infected lizards was given a fever - suppressing(退烧) drug.The other group was given no drug and ran a fever,that is to say,they kept a highter temperature for four or five days before seeking a cooler environment.The results were impressive.Of those which raised their body temperature,all but one remained alive.Of those given the fever - suppressing drug,more than half died.Similar results have since been produced in other animals.For example,infeced fish swim to warmer water,and will die if not allowed to do so.

　　An important conclusion can be drawn from these experiments.As Kluger points out,lizards have been on earth for hundreds of millions of years.It is reasonable to suppose that a response that is so old has been kept by nature for some purpose.It would appear, therefore, that fever does not make disease worse.Rather it its part of the mechanism(机能) by which infection is controlled.

　　60.In his experiments,Kluger was hoping to prove that fever ________.

　　　A.is not harmful to lizards

　　　B.is not necessarily bad

　　　C.is necessary for both humans and animals

　　　D.has the same effect on humans and animals

　　61.The lizards put in the sand - box in the first experiment _____.

　　　A.had a fever B.were not sick C.recovered from disease D.died of heat

　　62.In the third experiment,the lizards given a fever - suppressing drug died because _____.

　　　A.they had no more fever that they needed

　　　B.they were normal ones and had no fever

　　　C.the drug had no iffect on sick lizards

　　　D.the drug made their body temperature too low

　　63.How would you understand the underlined words"a response" in the last paragraph?

　　　A.Gause of disease. B.Recovery from disease.

　　　C.Relationship between living D.Natural defense in the body against disease.

B
　　Fever has usually been regarded as a threat to health.However,no one has actually proved that fever is dangerous.This fact attracted the attention of Matthew J.Kluger.Imagining that fever might not be as harmful as it had been supposed,Kluger set up a series of experiments with lizards(蜥蜴).
　　What Kluger and his team did his team did in their first experiment was simple.They put some lizards in a sand-box,one end of which was heated to 44℃,while the other was at a room temperature.It was found that the lizards moved form one part of the box to the other in order to keep a constant temperature of about 38℃.Having shown that normal lizards regulate(调节) their own temperature,Kuger,in a second experiment,then set out to show that lizards,like most other animals,develop fever when infected.This was done by making lizards infected with bacteria (细菌) that were known to cause disease.As the team expected,the infected lizards remained longer in the heated part of the box,until they had raised their body temperatures to two or three degrees above normal.In other words,the sick lizards gave themselves fever.
　　In a third experiment,the team observed the effect of temperature on the survival of the lizards.One group of infected lizards was given a fever - suppressing(退烧) drug.The other group was given no drug and ran a fever,that is to say,they kept a highter temperature for four or five days before seeking a cooler environment.The results were impressive.Of those which raised their body temperature,all but one remained alive.Of those given the fever - suppressing drug,more than half died.Similar results have since been produced in other animals.For example,infeced fish swim to warmer water,and will die if not allowed to do so.
　　An important conclusion can be drawn from these experiments.As Kluger points out,lizards have been on earth for hundreds of millions of years.It is reasonable to suppose that a response that is so old has been kept by nature for some purpose.It would appear, therefore, that fever does not make disease worse.Rather it its part of the mechanism(机能) by which infection is controlled.
　　60.In his experiments,Kluger was hoping to prove that fever ________.
　　　A.is not harmful to lizards
　　　B.is not necessarily bad
　　　C.is necessary for both humans and animals
　　　D.has the same effect on humans and animals
　　61.The lizards put in the sand - box in the first experiment _____.
　　　A.had a fever B.were not sick C.recovered from disease D.died of heat
　　62.In the third experiment,the lizards given a fever - suppressing drug died because _____.
　　　A.they had no more fever that they needed
　　　B.they were normal ones and had no fever
　　　C.the drug had no iffect on sick lizards
　　　D.the drug made their body temperature too low
　　63.How would you understand the underlined words"a response" in the last paragraph?
　　　A.Gause of disease. B.Recovery from disease.
　　　C.Relationship between living D.Natural defense in the body against disease.

阅读理解

　　Andrew Whibly worked as a clerk in the War Office. Though he did not have an important position, he was trusted by everyone.

　　One day, Whibly arrived at his office in a very expensive car. Although his salary was small, he appeared to have large sums of money to spend. He rented an expensive flat and gave parties for many of his friends. When he was asked how he suddenly got so much money to spend, Whibly explained that he had inherited a large fortune(继承大笔遗产) from an aunt who had died a few months before. However, War Office officials were suspicious(怀疑的) and they asked the police to check Whibly’s story. The police soon discovered that Whibly had not told the truth. They kept a close watch on his flat and noticed that members of the Uranian Embassy(大使馆) often went there.

　　The police entered Whibly’s flat when he was out and discovered copies of several secret documents(文件) and a radio transmitter(发报机) which had been hidden inside a piano. After Whibly was arrested, he confessed(供认) that he had been receiving large sums of money from the Uranian Embassy which had obtained(获得) official secrets from him.

1. Andrew Whibly suddenly became rich because ______.

[    ]

A. he got a large sum of money from his aunt

B. he got a good salary from the War Office

C. he robbed the Uranian Embassy

D. he let the Uranian Embassy get some official secrets

2. When Adrew Whibly arrived at his office in an expensive car, his fellows ______.

[    ]

A. felt happy

B. became unhappy

C. got very angry

D.felt doubtful

3. The police ______.

[    ]

A. believed what Andrew Whibly said

B. found what Andrew Whibly said was a lie

C. discovered nothing in Andrew’s room

D. were sure Andrew was a good man

4. Andrew Whibly confessed ______.

[    ]

A. he had robbed the Uranian Embassy

B. he kept in touch with some rich men

C. he had been given a lot of money for official secrets

D. he made some friends with some members of the Uranian Embassy

5. According to the passage above, Andrew Whibly was _______.

[    ]

A. a spy　　　　    B. a trusted man

C. an honest man    D. an ordinary clerk

Wild elephants that destroy crops and damage trees are a serious problem in many parts of Africa . But there could be a simple and relatively safe way to stop them in their tracks , by employing the talents of the tiny African honeybees .

       The number of elephants in Kenya has risen over the past ten years , with some disastrous results . Not only do these huge animals attack local farms , but they step someone to death an average of once every two weeks . Now a biologist has discovered a possible threat : the elephants are extremely aware of trees that house honeybee hives .

       “I an puzzled why nobody has thought of this before , ” says Fritz Vollrath at the University of Oxford . “ When an elephant knocks a beehive he runs and the bees will follow him or miles . ” He says that placing hives of the honeybees around local farms and fragile habitats could be an effective way to threaten the animals .

       Volirath put 30 unoccupied and 6 occupied beehives in some of the growing on a bush frequently damaged by elephants on Laikipia Plateau in Kenya . On average the elephants attacked 9 out of 10 trees that didn’t have hives , severely damaging a quarter . But they steered clear of all six trees with occupied hives . The elephants also left alone one-third of the trees with empty hives , suggesting that some had learnt not to take the risk .

       The bees threaten elephants by stinging vulnerable (易受伤)areas such as the eyes , belly , behind the ears and under the trunk . People could be at risk from the bees , admits Voilrath , but that may be outweighed by the risk of being killed by an elephant . Another experiment by Voilrath shows that elephants also avoid the sound of angry bees played from a loudspeaker .

1．What harm do the wild elephants in Africa do ?

       A．Killing local people                                     

B．Damaging beehives

C．Threatening animals                                   

D．Destroying villages

2．What can we learn from the underlined sentence ?

       A．They ran away from the trees with empty hives on it

B．They tried not to touch the trees with hives full of bees

C．They kept a distance from al the trees with hives on them .

D．They were clear that all the six trees were occupied by hives

3．What’s Volirath’s another experiment on this elephant’s case ?

       A．Let bees attack and kill elephants one by one

B．Encourage bees to sting elephants’ eyes and ears

C．Use the bees’ sound to drive elephants away

D．Employ tiny African honeybees to threaten elephants

4．From the passage we can conclude that _______

       A．there is always one thing to bet another

B．little bees can kill big and wild elephants

C．serious problems often come up in Africa

D．elephants enjoy attacking people and farms