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[主观题]

The common cold is the world's most widespread illness, which is probably why there are mo

re myths about it than any of the other plagues that flesh is heir to.

The most widespread fallacy of all is that colds are caused by cold. They are not. They are caused by viruses passed on from person to person. You catch a cold by coming into contact, directly or indirectly, with someone who already has one. If cold causes colds, it would be reasonable to expect the Eskimos to suffer from them permanently. But they do not. And in isolated arctic regions explorers have reported being free from colds until coming into contact again with infected people from the outside world by way of packages and mail dropped from airplanes.

During the First World War, soldiers who spent long periods in the trenches, cold and wet, showed no increased tendency to catch colds.

In the Second World War, prisoners at the notorious Auschwitz concentration camp, naked and starving, were astonished to find that they seldom had colds.

At the Common Cold Research Unit in England, volunteers took part in experiments in which they submitted to the discomforts of being cold and wet for long stretches of time. After taking hot baths, they put on bathing suits, allowed themselves to be doused with cold water, and then stood about dripping wet in drafty rooms. Some wore wet socks all day while others exercised in the rain until close to exhaustion. Not one of the volunteers came down with a cold unless a cold virus was actually dropped in his nose.

If, then, cold and wet have nothing to do with catching colds, why are they more prevalent in the winter? Despite the most painstaking research, no one has yet found the answer. One explanation offered by scientists is that people tend to stay together indoors more in cold weather than at other times, and this makes it easier for cold viruses to be passed on.

No one has yet found a cure for colds. There are drugs and pain suppressors such as aspirin, but all they do is to relieve the symptoms.

According to the passage, there are more myths about the common cold than any other human disease because ______.

A.it spreads more quickly

B.it is the most widespread illness

C.the climate of the world is getting colder and colder

D.few people can catch colds

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更多“The common cold is the world's most widespread illness, which is probably why there are mo”相关的问题

第1题

听力原文:Many people catch a cold in the spring time or fall. It makes us wonder: if scien

听力原文: Many people catch a cold in the spring time or fall. It makes us wonder: if scientists can send a man to the moon, [33] why can't they find a cure for the common cold? The answer is easy. There're actually hundreds of kinds of cold viruses out there. You never know which one you will get, so there isn't a cure for each one. When a virus attacks your body, your body works hard to get rid of it. Blood rushes to your nose and causes a blockage in it. You feel terrible because you can't breathe well, but your body is actually eating the virus. Your temperature rises and you get a fever, but the heat of your body is killing the virus. You also have a running nose to stop the virus from getting into your cells. [34] You may feel miserable, but actually y9ur wonderful body is doing everything it can to kill the cold. Different people have different remedies for colds. In the United States and some other countries, for example, people might eat chicken soup to feel better. Some people take hot bath and drink warm liquids. Other people take medicines to relieve various symptoms of colds. There is one interesting thing to note. [35] Some scientists say taking medicines when you have a cold is actually bad for you. The virus stays in you longer, because your body doesn't develop a way to fight it and kill it.

(30)

A.They haven't devoted as much energy to medicine as to space travel.

B.There are too many kinds of cold viruses for them to identify.

C.It is not economical to find a cure for each type of cold.

D.They believe people can recover without treatment.

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第2题

The pill cannot cure a common cold, but it can ________ the symptoms (症状)

A.aggravate

B.alleviate

C.medicate

D.bypass

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第3题

A.The man is suffering cold.B.The woman has many tablets which can cure common cold in

A.The man is suffering cold.

B.The woman has many tablets which can cure common cold in no time.

C.The man can take medicine according to the instructions.

D.The woman helps the man decide which medicine to buy.

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第4题

听力原文:W: Hi, Tom.M: Kate, I haven't seen you for weeks. Where have you been?W: In Flori

听力原文:W: Hi, Tom.

M: Kate, I haven't seen you for weeks. Where have you been?

W: In Florida.

M: What? Vacationing while the rest of us have been studying on the campus in the February cold?

W: Not exactly. I spent most of my time underwater.

M: I don't understand.

W: I was on a special field trip. I went with my marine biology class.

M: So you went scuba diving. What were you looking for, sunken treasure?

W: You might say so. The sea is full of treasures. All kinds of strange, fascinating organisms. Our class concentrated on studying plankton.

M: I thought they were too small to be seen.

W: That's a common misconception. The plankton covers a wide variety of freely floating plants and animals. From one-celled organisms to large ones, such as the common jelly fish.

M: Jelly-fish may be large enough to be seen. But they are transparent, aren't they?

W: Yes, most floating plants and animals have transparent tissues. It makes them practically invisible to their enemies.

M: But not invisible to your biology class, I hope.

W: By concentrating, I was able to see the outlines of lots of different plants and animals, In fact, our professor even took photo of some small oceanic snails.

M: How would the snails show up in the photo if they are transparent?

W: We painted them with a harmless green dye. Since particles of the dye stuck to the tissues, the snails appeared in a green outline in the photos.

M: That sounds like an interesting trip.

W: It really was.

M: But I think if I had been there, I'd much rather have spent my time just swimming and lying in the sun.

(20)

A.Sightseeing.

B.Lying on the beach.

C.Taking photos of the beaches.

D.Scuba diving.

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第5题

Depression, the best known and most common mental illnesses, takes the form. of ______.A.e

Depression, the best known and most common mental illnesses, takes the form. of ______.

A.extreme confidence in themselves

B.emotional break-out when it is cold

C.emotional blows in daylight

D.hopeless sadness and thoughts of suicide sometimes

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第6题

Don't eat every hot or cold food and keep off stimulating foods such as sour or (

A.spicy

B.immediately

C.vomiting

D.refrigeration

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第7题

“It's awfully cold this morning.” “Yes, but it's not colder than it was yester
day, _______ it?”

A.wasn't

B.isn't

C.is

D.was

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第8题

It is cold in the room. They the heating.

A.must have turned off

B.must turn off

C.can't have turned off

D.may turn off

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第9题

听力原文:W: It looks as if we are in for some cold weather again this winter.M: By the loo

听力原文:W: It looks as if we are in for some cold weather again this winter.

M: By the looks of things you can say that again.

Q: What does the man mean?

(18)

A.He agrees with the woman about the weather.

B.He doesn't agree with the woman about the weather.

C.He doesn't understand what the woman said.

D.He asks the woman to repeat.

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第10题

听力原文:M: Isn't it rather cold outside, Sally?W: It is a bit, but I can't stand the terr

听力原文:M: Isn't it rather cold outside, Sally?

W: It is a bit, but I can't stand the terrible smoke inside. I'd rather stay here if you don't mind.

Q: Why does the woman want to stay outside?

(15)

A.Because she feels very hot in the room.

B.Because she wants to avoid meeting people.

C.Because she wants to smoke a cigarette outside.

D.Because she doesn't like the smell of smoke inside.

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