题目内容
（请给出正确答案）
A．The woman doesn't look after her voice.
B．Talking and laughing can damage your voice as much as singing.
C．Talking slowly helps protect your voice.
D．The woman occasionally works on weekends.
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A、brain
B、skin
C、nervous system
D、respiratory system
Estimates of the number of Americans currently without a permanent home vary wildly. Advocacy groups like the National Coalition for the Homeless say that close to 3 million Americans live on the streets or in emergency and temporary shelters. The U. S. Department of Housing and Urban Development puts the figure at 350,000.
Yet both bureaucrats and advocates agree on one point, that is, the face of homelessness has changed radically in the past 10 years, as more and more low-income housing is mowed down in the name of progress. Some 20 years ago, says Kristen Morris, assistant director of the New York, office of the National Coalition for the Homeless, the typical "street person" was a White male who suffered from a mental illness or an addiction to drugs or alcohol. Today's homeless, however, are a more eclectic group.
More than 60 percent of the homeless today are Black, mostly single mothers with small children. More than half of them have never been homeless before. In many cases, they have been evicted form. their homes or the low-income housing in which they lived was demolished or burned down. About 60 percent of all homeless people live on some form. of public assistance with an average monthly income of 210 dollars. About 20 percent are mentally ill. According to Marie Robinson who is a lawyer for the coalition for the Homeless, "There has been a real democratization of skid row". All sorts of people have been pushed out of the housing market because of the critical shortage of affordable places to live.
As a result, homelessness has climbed to the top of the "me-generation's" short list of social concerns. But there is a great gap between concern and active involvement in the effort to solve this growing problem. For many people, the inaction is due to ignorance, not indifference. According to Ellen Rocks, who is executive director of the House of Ruth, a Washington, D. C. organization that provides shelter and other services to women who are homeless or are the victims of domestic violence, "There are a lot of people who want to get involved but don't really know how. "
The fact is that there are many ways in which individuals can help the homeless. Yet for those people truly interested in the cause, one of the first steps is to get to know the homeless and understand how they became that way. Many advocates believe that it is important for middle-class people to get to know and reach out to the homeless and bridge the gap that exists. "Middle-class people have to learn that what is happening in America today is an all-out war on the poor. Just as America once robbed the Indians of their land, today we're robbing the poor of affordable housing. "
Questions：
16. According to the U. S. Department of Housing and Urban Development, how many Americans are homeless？
17.According to the talk, which of the following is responsible for the dramatic growth rate of homelessness？
18.Which of the following statements is TRUE about the homeless people？
19.Why is there a great gap between mere concern and active involvement in solving the problem？
20.According to the talk, what is one of the first steps to help these homeless people？
(36)
A．250,000.
B．350,000.
C．3, 000,000.
D．3,500,000.00
B．The rising cost of buying or renting a house.
C．A rapid increase of unemployment rate.
D．A large number of immigrants moving into this country.
B．Because people are indifferent, paying no attention to the problems of others.
C．Because people who are concerned just don't know how to help the homeless.
D．Because the "me-generation" are concerned only with their own affairs and interests.
A．the shift of the focus of study on to the recognition of the shapes of objects
B．the belief that human intelligence cannot be duplicated with logical, step-by-step programs
C．the aspirations of scientists to duplicate the intelligence of a ten-month-old child
D．the efforts made by scientists in the study of the similarities between transistors and brain cells
A．such artifacts frequently exceed in quality those already catalogued in museum collections
B．such artifacts seldom have scientific value
C．there is likely to be a continuing supply of such artifacts
D．museums are well supplied with examples of such artifacts
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