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How did Dr. Edward Jenner solve the problem of smallpox?A.He kept on focusing on people wh

How did Dr. Edward Jenner solve the problem of smallpox?

A.He kept on focusing on people who had smallpox.

B.He changed his way of thinking by turning to people without smallpox.

C.Dairymaids advised that he use cowpox to experiment.

D.He happened to discover cowpox and he experimented with it on dairymaids.

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更多“How did Dr. Edward Jenner solv…”相关的问题
第1题
— How did you miss your train?—____________________A、Well, I was caught in the traffic j

A.Well, I was caught in the traffic jam.

B.What's your proposal?

C.Never min

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第2题
Which of the following is NOT correct about the captain, Edward J Smith?()

A.He is the most senior of the White Star Line’s captains

B.He is transferred from Olympic to take command of Titanic

C.He would be promoted after this maiden of voyage of Titanic

D.This voyage would be the very last one before his retirement

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第3题
A scientific panel convened by the World Health organization recommended guidelines on Fri
day for doctors conducting clinical studies of SARS patients. The panel urged doctors to apply the guidelines in analyzing the masses of potentially useful information about various therapies that were collected in this year’s epidemic. Much of that information has not been published or analyzed.

"It is a matter of urgency to get better analysis and review," said Dr. Simon Mardel, a WHO official who led the two-day meeting that ended on Friday. He said thousands of potential therapies and compounds had been tested so far as researchers try to determine treatments for SARS, or severe acute respiratory syndrome. "We recognize that having no treatment for SARS is hindering our ability to control an epidemic in so many ways." He said.

In the epidemic earlier this year, various treatments, like drugs to fight the virus or strengthen the immune system, as well as traditional Chinese medicine, were delivered under emergency conditions, in widely different settings and countries to patients suffering from varying stages of the illness. Those conditions--generally without standardized measurements or controlled situations-- have made it hard to interpret results.

Standard supportive therapy like nursing, and in severe cases the use of mechanical respirators (呼吸器) to help patients breathe, is the mainstay (主要支持) of SARS care, and helped many patients survive. But doctors still do not know how best to treat SARS patients who have breathing difficulties, Dr. Mardel said. One method is invasive ventilation. A second method involves blowing oxygen into the lungs through a mask. Both carry the risk of transmitting the virus to hospital employees. Without proper analysis, the panel was unable to say definitively which treatment worked best, or which caused the most harm. "There is a lack of shared information," Dr. Mardel said, noting that a lot of data have not been published.

The panel also agreed on guidelines that would allow doctors to conduct quick and safe clinical trials, a process that generally takes years to complete. The World Health organization, a United Nations agency did not release the guidelines. Dr. Mardel said they were flexible because no one knew where, when and in what setting SARS would return. Experts in many countries have already listed the treatments they want to test, and the health agency is leaving these decisions to individual nations.

Guidelines recommended by the scientific panel can be used for______.

A.gathering potentially useful information about various therapies collected

B.conducting clinical studies of SAR8 patients

C.determining treatment for SARS

D.published all the information about SARS

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第4题
Now Dr. Ross is bringing a welcomed medical revolution to the world_________ so m
any people need it.

A. that

B. where

C. how

D. which

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第5题
According to Dr. David, Americans ______.A.are ideally vigorous even under the pressure of

According to Dr. David, Americans ______.

A.are ideally vigorous even under the pressure of life

B.often neglect the consequences of sleep deficit

C.do not know how to relax themselves properly

D.can get by on 6.5 hours of sleep

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第6题
Dr. William C. Stokoe, Jr., was the chairman of the English Department at Gallaudet Univer
sity. He saw the way deaf people communicated and was extremely【C1】______. He was a hearing person, and signs of the deaf were totally new to him.

Dr. Stokoe decided to propose a study of sign language. Many other teachers were not interested, and thought Dr. Stokoe was【C2】______to think about studying sign language. Even deaf teachers were not very interested in the project. However, Dr. Stokoe did not give up.【C3】______, he started the Linguistics Research Program in'1957. Stokoe and his two deaf assistants, worked【C4】______this project during the summer and after school. The three【C5】______made films of deaf people signing. The deaf people in the films did not understand【C6】______the research was about and were just trying to be nice to Dr. Stokoe. Many people thought the whole project was silly, but【C7】______agreed with Dr. Stokoe in order to please him.

Stokoe and his【C8】______studied the films of signing. They【C9】______the films and tried to see patterns in the signs. The results of the research were【C10】______: the signs used by all of the signers【C11】______certain linguistic rules.

Dr. Stokoe was the first linguist to test American Sign Language【C12】______a real language. He published the【C13】______ in 1960,but not many people paid attention to the study. Dr. Stokoe was still【C14】______ —he was the only linguist who【C15】______that sign language was more than gestures. He knew it was a language of its own and not just another form. of English.

【C1】

A.ashamed

B.bored

C.interested

D.involved

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第7题
Passage 4Dieting advisor Dr. Robert Atkins recommends eating a diet high in protein for th

Passage 4

Dieting advisor Dr. Robert Atkins recommends eating a diet high in protein for those who want to lose weight and keep it off. The hamburger patty is good, the hamburger bun bad, according to the _1_ of Atkins, who has turned his philosophies into a dieting revolution, starting with his first book, Dr.Atkins Diet Revolution, in 1972. Atkins,books _2_ top best-seller lists. Atkins companies have made millions of dollars in sales of specialty low-carb food products and carb-counting scales. But the popularity of Atkins’ eating advice, now appealing to another generation, is _3_ some food companies who rely on the consumer _4_ for carbohydrate-laden foods such as pastas and pizzas, cakes, cookies and cereals, to add weight to their own bottom lines. “Our industry has to do something, and soon. It is starting to become a _5_belief that carbohydrates are bad,” said Judi Adams, director of the Wheat Foods Council. Part of the society&39;s push will be in Washington, where federal health officials are starting talks on _6_ to the nation&39;s 11-year-old Food Guide Pyramid. Currently, the pyramid puts bread, cereals, rice and pasta as the _7_ for healthy eating. The strategy is a direct attack on Atkins: Americans who follow the Atkins diet _8_ their risk of health problems that include cardiovascular disease, high cholesterol, kidney damage and some cancers, the Wheat Foods Council says. According to Atkins, he is not looking to go to war with the food companies, and even Atkins diehards allow for an _9_ doughnut or cookie. “We teach people how to respect it and, on rare occasions, have it in _10_,” he said. “We know people can’t stay away from it forever.”

A) mainstream

B) increase

C) profitable

D) occasional

E) routinely

F) panicking

G) foundation

H) hasty

I) recommends

J) appetite

K) teachings

L) revisions

M) empirically

N) moderation

O) merge

第1空答案是:

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第8题
How much did you()for that dress?

A.take

B.pay

C.get

D.spend

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第9题
How long did it take her to fly to Australia?A.17 days.B.18 days.C.19 days. D.20 days.

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第10题
—How much did the owner of the hotel ______for the room one night? —100 dollars.

—How much did the owner of the hotel ______for the room one night?

—100 dollars.

A. take

B. spend

C. offer

D. charge

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