[外语类试卷]大学英语四级改革适用(听力)模拟试卷108及答案与解析.doc
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1、大学英语四级改革适用(听力)模拟试卷 108及答案与解析 Section C 0 Many parents these days face the same struggle at what age should they buy their child a cellphone?About 75% of 12-17-year-olds in the United States【 B1】 _ a mobile phone, up from 45% in 2004,according to an April study by the Pew Internet and American Life P
2、roject, part of the Pew Research Center.And small【 B2】 _ are getting their phones at earlier ages, industry experts say. The Pew study, forexample, found that 58% of 12-year-olds now had a cellphone, up from 18% in 2004. Parents generally say they buy their child a phone for safety reasons, because
3、they want to be able to reach the child anytime. “Costalso【 B3】 _ to parents,“ cellphone industry experts say. “Phones and family plans from carriers areboth becoming more【 B4】_. Also, as adults swap out their old【 B5】 _for newer smartphones,it is easier to【 B6】 _ a used phone.“ But for children, it
4、 is all about social life and wanting to【 B7】 _peers. The Pew study found that half of 12-17-year-olds sent 50 text messages a day and textedtheir friends more than they talked to them on the phone or even face to face. So when is the right time to buythat first phone? “There is no age that suits al
5、l children,“【 B8】 _psychologists and child safety expertssay. “It【 B9】_the childs maturity level and need for the phone, and the ability to【 B10】_theirbehaviour. “ 1 【 B1】 2 【 B2】 3 【 B3】 4 【 B4】 5 【 B5】 6 【 B6】 7 【 B7】 8 【 B8】 9 【 B9】 10 【 B10】 10 Owning a cat can reduce the risk of heart attacks a
6、nd strokes by more than a third, researchers havefound. Scientists said that having a cat helped to【 B1】 _ stress and anxiety, which is known to helpprotect against heart disease by lowering blood pressure and reducing the heart rate. The 10-year study looked at 4 435 adults【 B2】_ between 30 and 75,
7、 about half of whom owned a cat. The【 B3】 _, presented at a stroke conference in America, showed that 3. 4% of the cat owners【 B4】_a heart attackover ten years. Among the group who had never owned a cat, the rate was 5. 8%. Cat owners still had a muchreduced chance of developing strokes or heart att
8、acks when researchers【 B5】 _other factors known totrigger heart disease, including high cholesterol(胆固醇 )levels, smoking and diabetes. Prof. Adnan Qureshi,from the Minnesota University, who【 B6】 _ the study, said he was surprised by the【 B7】 _ ofthe effect that owning a cat appeared to have. The【 B8
9、】 _ explanation may be that cat ownershipreduces stress and anxiety and subsequently reduces the risk of heart disease. He【 B9】 _that one reasoncould be that stroking the pet could cut the level of stress-related hormones in the blood. Reducing stress is known to help protect against heart disease b
10、y lowering blood pressure and reducing the heart rate. ButProf. Qureshi【 B10】 _that the type of person who owned a cat was usually already fairly stress-free andat low risk of heart disease. 11 【 B1】 12 【 B2】 13 【 B3】 14 【 B4】 15 【 B5】 16 【 B6】 17 【 B7】 18 【 B8】 19 【 B9】 20 【 B10】 20 Do you think ge
11、tting cold can give you a cold? What can we do when we【 B1】_? A family medicinedoctor at Georgetown University Medical Center in Washington says colds are more common in winter, but notbecause of low temperatures. The cold weather just means people stay inside more. People【 B2】 _ congregate(聚集 )and
12、be together and the way the common cold virus is【 B3】 _ from one person toanother is through handshakes, through sneezing, or coughing on one another. Adults generally get two to three colds a year and children are likely to catch four or five. Some people mistakenly believe they can become【 B4】 _to
13、 colds. There are about 200 different viruses that cause the common cold. People think thatonce you【 B5】 _one time, you develop immunity for the rest of your life. This is wrong. There is stillno cure for the common cold. But there are ways to feel better sooner. If you get a cold, take about two gr
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