题目内容
（请给出正确答案）
Why do some Americans ask for legal status for some illegal immigrants？
A．Because they would get decent jobs in the future.
B．Because they would become outstanding people and give back to the country.
C．Because there are some laws to protect them.
D．Because they are not harmful to the country.
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更多“Why do some Americans ask for …”相关的问题
Why do we say that lawyers are one of the most reactionary forces in American society？
A．They practice the art of distortion in an effort to win legal games where we need honest communications.
B．They promote conflict and blame when we need cooperation and self-responsibility.
C．They promote division where we need unity.
D．All of the above.
Why do the two "explanations" (Para. 3, Line l)worry Asian Americans？
A．They are afraid that they would again be isolated from American society in general.
B．People would think that Asian students rely on their parents for success.
C．Asian American would be a threat to other minorities.
D．American academic achievements have taken on too strong an Asian character.
Why do some people become vegetarians？
A．Because they want to develop a strong immune system.
B．Because some of the highest pesticide residues appear in meat.
C．Because fruits and vegetables contain more nutrients.
D．Because they consider eating animals as unethical.
Why do the American doctors think of using laser light to treat heart disease？
A．Beeause laser light is quite powerful．
B．Because laser light is penetrating．
C．Because laser light can destroy the blocking materials in human’s artery．
D．Because laser light can travel through the human body．
Why does the writer say that the American society today is an "impersonal" society (last paragraph)？
A．Because American people do not like to talk to each other.
B．Because the society does not have small communities now.
C．Because not many people say "hello" to each other when they meet.
D．Because people no longer maintain close relations with each other.
Few people experience this type of lifelong relationship or sense of community togetherness now. The American society is much more unsettled now; people often move from neighborhood to neighborhood, city to city, and coast to coast. It is rare to find people who have lived all their lives in one community. Because people move so frequently, they do not have a chance to get to know their neighbors. Perhaps this is also why Americans tend to have a more casual attitude about friendships than people from some other cultures; Americans are accustomed to leaving friends and making new friends. In such an impersonal society, people have lost the habit of saying hello to people they pass on the streets or in the hallways of their apartment buildings.
What is described in the first paragraph？
A．Entertainment in small towns.
B．Americans' adjustment to a moving society.
C．The life style. of Americans in the past.
D．Personal relations in small communities.
Why do the two "explanations" (Line 1, Para. 3) worry Asian Americans？
A．They are afraid that they would again be isolated from American society in general.
B．People would think that Asian students rely on their parents for success.
C．Asian Americans would be a threat to other minorities.
D．American academic achievements have taken on too strong an Asian character.
Researchers from the London School of Hygiene & Tropical Medicine said consumers were paying higher prices for organic food because of its imagined health benefits, creating a global organic market worth an estimated $48 billion in 2007.
A systematic review of 162 scientific papers published in the scientific literature over the last 50 years, however, found there was no significant difference.
"A small number of differences in nutrient content were found to exist between organically and conventionally (通常) produced foodstuffs, but these have nothing to do with public health, " said Alan Dangour, one of the report's authors.
"Our review indicates that there is currently no evidence to support the selection of organically over conventionally produced foods on the basis of nutritional superiority . "
The results of research, which was commissioned by the British government's Food Standards Agency, were published in the American Journal of Clinical Nutrition.
Sales of organic food have fallen in some markets, including Britain, as a slowdown in economic growth has led consumers to cut back on purchases.
The Soil Association said that growth in sales of organic products in Britain slowed to just 1.7percent, well below the average annual growth rate of 26 percent over the last decade.
Why does organic food cost more than conventionally produced food？
A．Because people think they are much healthier.
B．Because they are more delicious.
C．Because people prefer organic food.
D．Because they sell better.
What is color？ Why do some objects look red, others green, others blue？
Color is caused by reflected light rays. We see color because objects reflect light. Some thing that is red reflects mostly red light. In the same way, a green object reflects mostly green light. White objects reflect all colors of light. Black objects do not reflect any light.
What happens to the colors of light that are not reflected？ They are absorbed by the object. The darker the color, the less light is reflected and the more light is absorbed. Light that is absorbed is turned into heat. For this reason, dark-colored clothes are warmer in the sunlight than light-colored clothes.
Which is the main idea of this passage？
A．Dark-colored clothes are warmer in the sunlight.
B．Objects absorb part of the sunlight.
C．Color is caused by reflected light rays.
D．A red object reflects mostly red light.
Samuel Preston, a sociologist at the University of Pennsylvania, studied how the American family is changing. He reported that by the time the average American couple reaches about 40 years of age, their parents are usually still alive. The statistics show the change in lifestyles and responsibilities of aging (老龄化) Americans. The average middle-aged couple can look forward to caring for elderly parents sometime after their own children have grown up. Moreover, because people today live longer after an illness than people did years ago, family members must provide long-term care. These facts also mean that after caregivers provide for their elderly parents, who will eventually die, they will be old and may require care too. When they do, their spouses (配偶) will probably take care of them because they have had fewer children than their parents did.
Because Americans are living longer than ever, more social workers have begun to study ways of caregiving to improve the care of the elderly. They have found that all caregivers share a common characteristic; They believe that they are the best people for the job. The social workers have also discovered three basic reasons why the caregivers take on the responsibility of caring for an elderly, dependent relative. Many caregivers believe they had an obligation (职责) to help their relatives. Some think that helping others makes them feel more useful. Others hope that by helping someone now, they will deserve care when they become old and dependent.
Samuel Preston's study shows that______.
A．lifestyles and responsibilities of the elderly are not changing
B．most American couples over 40 have no living parents
C．middle-aged Americans have to take care of their children and parents at the same time
D．elderly people may need care for a long time because they live longer after an illness
