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___________ 查看材料A.And others have painful att

___________ 查看材料

A.And others have painful attacks all the time.

B.These signals travel from nerve cells in the injured area， up the spinal cord （脊髓） to the brain， and back down again.

C.It tells us that we are injured and should do something about it.

D.They knew little about the process of pain itself.

E.The other message moves at a speed of only one meter a second，

F.And they send the second， slower message of pain to t.he brain.

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更多“___________ 查看材料A.And others h…”相关的问题

第1题

材料题请点击右侧查看材料问题查看材料A.anB.theC.AD./

材料题请点击右侧查看材料问题查看材料

A.an

B.the

C.A

D./

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第2题

The information in this passage would most likely be found in textbook.

查看材料

A.an anthropology

B.a biology

C.a mathematics

D.a geography

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第3题

Conversation Two．听材料，回答下列各题：

A.An employee in the city council at Birmingham．

B.Assistant director ofthe Admissions Office．

C.Head ofthe Overseas Students Office．

D.Secretary ofBirmingham Medical School．

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第4题

请根据短文的内容，回答题。 The Changing Middle ClassThe United States perceives itself to

请根据短文的内容，回答题。

The Changing Middle Class

The United States perceives itself to be a middle-class nation. However, middle class is not a real designation, nor does it carry privileges. It is more of a perception, which probably was as true as it ever could be right after World War II. The economy was growing, more and more people owned their own homes, workers had solid contracts with the companies that employed them, and nearly everyone who wanted a higher education could have one. Successful people enjoyed upward social mobility. They may have started out poor, but they could become rich. Successful people also found that they had greater geographic mobility. In other words, they found themselves moving to and living in a variety of places.

The middle class collectively holds several values and principles. One strong value is the need to earn enough money to feel that one can determine one&39;s own economic fate. In addition,middle-class morality embraces principles of individual responsibility, importance of family,obligations to others, and believing in something outside oneself.

But in the 1990s those in the middle class found that there was a price for success. A U. S.News & World Report survey in 1994 indicated that 75 percent of Americans believed that middle-class families could no longer make ends meet. Both spouses now worked, as did some of the children;long commutes became routine; the need for child care put strains on the family; and public schools were not as good as they once were. Members of the middle class were no longer financing their lifestyles through earnings but were using credit to stay afloat. The understanding of just what middle class meant was changing.

The information in this passage deals with__________. 查看材料

A.an individual

B.a social and economic group

C.apolitical organization

D.government

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第5题

根据内容回答题。 Prolonging Human LifeProlonging human life has increased the size of the

根据内容回答题。

Prolonging Human Life

Prolonging human life has increased the size of the human population. Many people alive today would have died of childhood diseases if they had been born 100 years ago. Because more people live longer, there are more people around at any given time. In fact. it is a decrease in death rates, not an increase in birthrates, that has led to the population explosion.

Prolonging human life has also increased the dependency load. In all societies, people who are disabled or too young or too old to work are dependent on the rest of society to provide for them. In hunting and gathering cultures, oht people who could not keep up might be left behind to die. In times of famine, infants might be allowed to die because they could not survive if their parents starved, whereas if the parents survived they could have another child. In most contempo- rary societies, people feel a moral obligation to keep people alive whether they can work or not. We have a great many people today who live past the age at which they want to work or are able to work; we also have rules which require people to retire at a certain age. Unless these people were able to save money for their retirement, somebody else must support them. In the United States many retired people live on social security checks which are so little that they must live in near poverty. Older people have more, illness than young or middle-aged people; unless they have wealth or private or government insurance, they must often "go on welfare" if they have a serious illness.

When older people become senile or too weak and ill to care for themselves, they create grave problems for their families, In the past and in some traditional cultures, they would be eared for at home until they died. Today, with most members of a household working or in school, there is often no one at borne who can care for a sick or weak person. To meet this need, a great many nursing homes and convalescent hospitals have been built. These are often profit- making organizations, although some are sponsored by religious and other nonprofit groups. While a few of these institutions are good, most of them are simply "dumping grounds" for the dying in which "care" is given by poorly paid, overworked, and under-skilled personnel.

The writer believes that the population explosion results from 查看材料

A.an increase in birthrates

B.the industrial development

C.a decrease in death rates

D.cultural advances

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第6题

【C10】A．AnB．TheC．A

【C10】

A．An

B．The

C．A