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[主观题]

Vaccines can make you sick.A.RightB.WrongC.Not mentioned

Vaccines can make you sick.

A.Right

B.Wrong

C.Not mentioned

答案
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更多“Vaccines can make you sick.A.RightB.WrongC.Not mentioned”相关的问题

第1题

Vaccines can make you sick. A. RightB. WrongC. Not mentioned

Vaccines can make you sick.

A. Right

B. Wrong

C. Not mentioned

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第2题

Vaccines can make you sickA.RightB.WrongC.Not mentioned

Vaccines can make you sick

A.Right

B.Wrong

C.Not mentioned

点击查看答案

第3题

Vaccines can make you sick. A.RightB.WrongC.Not mentioned

Vaccines can make you sick.

A.Right

B.Wrong

C.Not mentioned

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第4题

Fortunately we can make vaccines for the H5N1 strain, and get them tested and manufactured
in time for a pandemic.

A.Y

B.N

C.NG

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第5题

A.A career can determine the way you make a friend.B.A career can determine the way yo

A.A career can determine the way you make a friend.

B.A career can determine the way you live.

C.A career can affect the way you feel about yourself.

D.All of the above.

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第6题

听力原文:W: I have to think about your offer.I can't say "yes" or "no" at the moment.M: Yo

听力原文:W: I have to think about your offer. I can't say "yes" or "no" at the moment.

M: You can take your time. It will do if you let me know your decision in a day or two.

Which of the following is true?

A.The man thinks the woman is wasting her time.

B.The man thinks the woman should make full use of her time.

C.The man is eager to know the woman's answer.

D.The man can wait and there is no need for her to hurry.

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第7题

听力原文:(With) Other viruses, such as smallpox and measles, and polioneuromere, the major

听力原文:(With) Other viruses, such as smallpox and measles, and polioneuromere, the majority of people mount an immune response even if they never been vaccinated that clears the natural infection. With H1V, there are virtually no incidents of a person who has completely cleared the virus from their body, which means that although some people can control the virus better than others, the body is having trouble making a protective immune response.

What is the point the speaker is trying to make about HIV virus?

A.HIV vaccines trigger an immune response, but that response has proven inadequate.

B.The body's natural immune response to HIV infection could eradicate the virus.

C.The majority of people could mount an immune response even without being vaccinated that clears the natural infection from every virus.

D.Some people can control HIV virus better than others and make a protective immune response.

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第8题

Shortages of flu vaccine are nothing new in America, but this year' s is a whopper. Until
last week, it appeared that 100 million Americans would have access to flu shots this fall. Then British authorities, concerned about quality-control problems at a production plant in Liverpool, barred all further shipments by the Chiron Corp. Overnight, the U.S. vaccine supply dwindled by nearly half and federal health officials found themselves making an unusual plea. Instead of beseeching us all to get vaccinated, they' re now urging most healthy people between the ages of 2 and 64 not to. "This reemphasizes the fragility of our vaccine supply," says Dr. Martin Myers of the National Network for Immunization Information, "and the lack of redundancy in our system."

Why is such a basic health service so easily knocked out? Mainly because private companies have had little incentive to pursue it. To create a single dose of flu vaccine, a manufacturer has to grow live virus in a 2-week-old fertilized chicken egg, then crack the egg, harvest the virus and extract the proteins used to provoke an immune response. Profit margins are narrow, demand is fickle and, because each year's flu virus is different, any leftover vaccine goes to waste. As a result, the United States now has only two major suppliers (Chiron and Aventis Pasteur)--and when one of them runs into trouble, there isn' t much the other can do about it. "A vaccine maker can't just call up and order 40 million more fertilized eggs," says Manon Cox, of Connecticut-based Protein Sciences Corp. "There's a whole industry that's scheduled to produce a certain number of eggs at a certain time. "

Sleeker technologies are now in the works, and experts are hoping that this year's fiasco will speed the pace of innovation. The main challenge is to shift production from eggs into cell cultures--a medium already used to make most other vaccines. Flu vaccines are harder than most to produce this way, but several biotech companies are now pursuing this strategy, and one culture-based product (Solvay Pharmaceuticals' Invivac) has been cleared for marketing in Europe.

For Americans, the immediate challenge is to make the most of a limited supply. The government estimates that 95 million people still qualify for shots under the voluntary restrictions announced last week. That' s nearly twice the number of doses that clinics will have on hand, but only 60 million Americans seek out shots in a normal year. In fact, many experts are hoping the shortage will serve as an awareness campaign--encouraging the people who really need a flu shot to get one.

Shortages of flue vaccine show that ______.

A.America relies too much on foreign suppliers

B.the demand of flue vaccines is high this year

C.quality problem is a serious problem in flu vaccine production

D.the supply of flu vaccines is rather weak and America has no back-up measures to make it up

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第9题

根据材料回答{TSE}题: Tiny Invaders The human body is truly amazing.It allows US to sense
the world around US,to do work and have fun,and to move from place to place.In fact,the human body does its work so well that most people don’t think about it very much一until they get sick. The germs(致病菌)that make people sick are everywhere.You can’t see them,but they’re there.They’re sitting on your desk.They’re hiding on your computer’S keyboard.They’re even in the air that you are breathin9.There are two types of germs:viruses and bacteria(细菌).Viruses are germs that can only live inside animals or plants.Viruses cause illnesses such as flu and measles(麻疹).Bacteria are tiny creatures.Some bacteria are good.They can help your stomach break down food. Other bacteria aren’t so good.They can make you sick.Bacteria can cause sore throats(喉痛)and ear infections. How can you stop these tiny invaders from making you sick?Your skin is the first defense against germs.You can prevent some illnesses simply by washin9,with soap and water.But germs can still enter the body through small cuts in the skin or through the mouth,eyes,and nose. Once germs are inside your body,your immune(免疫的)system tries to protect you.It looks for and destroys germs.How does it do that?Special cells patrol your body.Some of these cells actually eat germs!Other cells make antibodies.An antibody sticks to a germ.There is a different antibody for each kind of germ.Some antibodies keep germs from making you sick.Others help your body find and kill germs.After a germ is destroyed,the antibodies stay in your body.They protect you if the same kind of germ comes back.That way you will not get the same illness twice. You can keep your body healthy by eating a nutritious(有营养的)diet to make your immune system strong.You can also help your immune system fight germs by getting vaccinated(接种).Vaccines are medicines.They contain germs that have been killed or weakened.The dead germs can’t make you sick.Instead,they cause your body to make antibodies.If the same germ ever shows up again, then your antibodies attack it. {TS}Viruses can only live inside people or animals.

A. Right

B. Wrong

C. Not mentioned

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第10题

根据材料回答下列各题: Tiny Invaders The human body is truly amazing.It allows US to sense
the world around US,to do work and have fun,and to move from place to place.In fact,the human body does its work so well that most people don’t think about it very much一until they get sick. The germs(致病菌)that make people sick are everywhere.You can’t see them,but they’re there.They’re sitting on your desk.They’re hiding on your computer’S keyboard.They’re even in the air that you are breathin9.There are two types of germs:viruses and bacteria(细菌).Viruses are germs that can only live inside animals or plants.Viruses cause illnesses such as flu and measles(麻疹).Bacteria are tiny creatures.Some bacteria are good.They can help your stomach break down food. Other bacteria aren’t so good.They can make you sick.Bacteria can cause sore throats(喉痛)and ear infections. How can you stop these tiny invaders from making you sick?Your skin is the first defense against germs.You can prevent some illnesses simply by washin9,with soap and water.But germs can still enter the body through small cuts in the skin or through the mouth,eyes,and nose. Once germs are inside your body,your immune(免疫的)system tries to protect you.It looks for and destroys germs.How does it do that?Special cells patrol your body.Some of these cells actually eat germs!Other cells make antibodies.An antibody sticks to a germ.There is a different antibody for each kind of germ.Some antibodies keep germs from making you sick.Others help your body find and kill germs.After a germ is destroyed,the antibodies stay in your body.They protect you if the same kind of germ comes back.That way you will not get the same illness twice. You can keep your body healthy by eating a nutritious(有营养的)diet to make your immune system strong.You can also help your immune system fight germs by getting vaccinated(接种).Vaccines are medicines.They contain germs that have been killed or weakened.The dead germs can’t make you sick.Instead,they cause your body to make antibodies.If the same germ ever shows up again, then your antibodies attack it. Viruses can only live inside people or animals.

A.Right

B.Wrong

C.Not mentioned

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