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[单选题]

Vaccines do not guarantee complete protection from a disease because sometimes the host’

A.muscular

B.nervous

C.endocrine

D.immune

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更多“Vaccines do not guarantee complete protection from a disease because sometimes the host’”相关的问题

第1题

Text 2 To paraphrase 18th-century statesman Edmund Burke,“all that is needed for the trium
ph of a misguided cause is that good people do nothing.”One such cause now seeks to end biomedical research because of the theory that animals have rights ruling out their use in research. Scientists need to respond forcefully to animal rights advocates, whose arguments are confusing the public and thereby threatening advances in health knowledge and care. Leaders of the animal rights movement target biomedical research because it depends on public funding, and few people understand the process of health care research. Hearing allegations of cruelty to animals in research settings, many are perplexed that anyone would deliberately harm an animal. For example, a grandmotherly woman staffing an animal rights booth at a recent street fair was distributing a brochure that encouraged readers not to use anything that opposed immunizations, she wanted to know if vaccines come from animal research. When assured that they do, she replied,“Then I would have to say yes.”Asked what will happen when epidemics return, she said,“Don’t worry, scientists will find some way of using computers.”Such well-meaning people just don's understand. Scientists must communicate their message to the public in a compassionate, understandable way-in human terms, not in the language of molecular biology. We need to make clear the connection between animal research and a grandmother's hip replacement, a father's bypass operation a baby's vaccinations, and even a pet's shots. To those who are unaware that animal research was needed to produce these treatments, as well as new treatments and vaccines, animal research seems wasteful at best and cruel at worst.Much can be done. Scientists could“adopt”middle school classes and present their own research. They should be quick to respond to letters to the editor, lest animal rights misinformation go unchallenged and acquire a deceptive appearance of truth. Research institutions could be opened to tours, to show that laboratory animals receive humane care. Finally, because the ultimate stakeholders are patients, the health research community should actively recruit to its cause not only well-known personalities such as Stephen Cooper, who has made courageous statements about the value of animal research, but all who receive medical treatment. If good people do nothing there is a real possibility that an uninformed citizenry will extinguish the precious embers of medical progress.

第46题:The author begins his article with Edmund Burke\'s words to

A. call on scientists to take some actions.

B. criticize the misguided cause of animal rights.

C. warn of the doom of biomedical research.

D. show the triumph of the animal rights movement.

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第2题

Vaccines given during childhood is generally ________.

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第3题

Some vaccines contain the type of germ that makes you sick.()
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第4题

Most vaccines contain a little bit of a disease germ that is ________.

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第5题

Smallpox can be effectively prevented by _______.

A.vaccines

B.penicillin

C.antibiotics

D.vitamines

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第6题

What do you do?().

A.What do you do?

B.Fine, thank you

C.I'm a college student

D.I do well in my studies

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第7题

—What do your parents do? —My father is a manager. My mother is a nurse.()
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第8题

Do you think students should do housework?(翻译)

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第9题

All () is to keep waiting in the cold wind.

A.what you have to do

B.that you have to do

C.which you have to do

D.how you have to do

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第10题

If you had told me earlier, I like that().

A.would not have done

B.would not do

C.would do

D.will not do

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