题目列表(包括答案和解析)
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阅读理解
According to the recent survey, only a quarter of American children walk or bike to school. Even pupils who live within a mile of school get there in a car. At a school in Atlanta, so many parents drive their children to school. The school has to give each car rider an ID number so they can find their own cars out of hundreds waiting in line.
Health officials are worried because the lack of exercise may worsen the country's growing problem of childhood obesity. The number of overweight teens has tripled (三倍) since 1980. At the same time, diabetes (糖尿病), once unheard of in children, is increasing greatly among them.
When asked their reasons for not sending their children to school on foot, parents agree that distance, traffic, weather and crime (犯罪) are their top concerns. The mother of a 10-year-old girl said that even though the trip was less than a mile, she was afraid to let her child walk to school.“You hear too many things about kids getting picked up,”she said.
Getting more children to walk or bike to school should be a national health goal, some health officials say. A goal has been set to get at least 50 percent of children who live less than a mile from school walking or cycling to school by 2010.
1.Most of American children go to school ________.
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2.The mother of a 10-year-old girl didn't let her daughter walk to school because ________.
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A.her daughter was too young to cover such a long walk
B.there were too many cars in the USA
C.she cared more about the safety of her daughter
D.her daughter was once picked up in the street
3.Which of the following is NOT the parents'top concerns?
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4.The author took a school in Atlanta for example to show ________.
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A.there are too many cars waiting for school children
B.the school is very kind to school children
C.school children have a bad memory
D.ID number is very useful in telling the difference between cars
5.The main cause of American childhood obesity probably lies in ________.
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完形填空
People's attitude towards drugs varies from person to person. Some 1 them as wonderful; 2 think of them as dangerous. Then what is the sensible 3 toward drugs?
I think the first thing to think about is the difference 4 drugs and wonder drugs. The antibiotics (抗生素) can really 5 certain bacterial diseases. On the other 6 , the major disease threatening Americans today are cancer, stroke, high blood pressure, coronary (冠心病) disease, etc. 7 them, the doctor's bag of tricks is limited. He has 8 wonder drugs.
So the first important lesson is not to 9 too much from drugs. If you can accept the 10 that the war against many of our most devastating (有破坏性的) diseases is, at best, a holding operation 11 than an inevitable (不可避免的) victory, it will do a great deal to ease your life as well as 12 of your doctor. Too many 13 employ great pressures 14 doctors to prescribe for every symptom (病状) 15 when such treatment is necessary or dangerous.
Unfortunately, the medical profession is guilty of taking part, to a certain 16 , in the wrongful action. The patient 17 demands a shot of penicillin for every sniffle and sneeze may be 18 the injection (注射) by an unwilling physician 19 he is certain that if he does not, the patient will search until he 20 a doctor who will.
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