[外语类试卷]专业英语四级(完形填空)模拟试卷6及答案与解析.doc
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1、专业英语四级(完形填空)模拟试卷 6及答案与解析 一、 PART III CLOZE (15 MIN) Directions: There are 20 blanks in the following passage. Decide which of the choices given below would best complete the passage if inserted in the corresponding blanks. 0 Exercise has long been treated as the cure-all for everything that ails you
2、. Supporters say you will lose weight and bring your blood pressure【 C1】 _ control by walking for 2 minutes a day. 【 C2】 _ it were so simple. While exercise has【 C3】_benefits, many of its powers have been【 C4】 _. Consider what science has found before you【 C5】 _a fitness program as the solution【 C6】
3、 _your health or weight concern. Exercise may reduce the risk of heart disease,【 C7】 _ the evidence is surprisingly mixed. Most of the heart protection appears to be realized by people who go【 C8】 _ being sedentary to being active. Yet the data from studies have not always been【 C9】 _, because those
4、 who exercise tend to be very【 C10】 _ those who do not. 【 C11】 _people are much less likely to smoke, and theyre thinner than their 【 C12】 _who are fond of sitting for a long time. As a result, it is impossible to know with confidence whether exercise prevents heart disease【 C13】_ whether people who
5、 are less likely to get heart disease are also more likely to be exercising. Exercise cannot bring【 C14】 _ weight loss. For instance, lifting weights 【 C15】 _ muscles but will not make you【 C16】 _ more calories. Jack Wilmore, an exercise physiologist, calculated that the【 C17】 _ amount of muscle tha
6、t men【 C18】 _after a 12-week weight-lifting program was 2 kilograms. That added muscle would increase the metabolic rate【 C19】 _ only 24 calories a day. If you want to lose weight, you have to diet【 C20】 _ exercise. 1 【 C1】 ( A) on ( B) in ( C) under ( D) off 2 【 C2】 ( A) If only ( B) Only if ( C) T
7、herefore ( D) Although 3 【 C3】 ( A) undeniable ( B) unimaginable ( C) unconceivable ( D) unfavorable 4 【 C4】 ( A) overturned ( B) overwhelmed ( C) overacted ( D) overstated 5 【 C5】 ( A) turn to ( B) put aside ( C) set out ( D) bring about 6 【 C6】 ( A) as ( B) for ( C) to ( D) of 7 【 C7】 ( A) if ( B)
8、 since ( C) though ( D) so 8 【 C8】 ( A) after ( B) to ( C) for ( D) from 9 【 C9】 ( A) clear ( B) surprising ( C) confusing ( D) mixed 10 【 C10】 ( A) similar to ( B) the same as ( C) different from ( D) contrary to 11 【 C11】 ( A) Active ( B) Passive ( C) Pessimistic ( D) Optimistic 12 【 C12】 ( A) pee
9、rs ( B) colleagues ( C) friends ( D) families 13 【 C13】 ( A) while ( B) and ( C) or ( D) but 14 【 C14】 ( A) sustained ( B) persistent ( C) suspended ( D) preserved 15 【 C15】 ( A) makes ( B) creates ( C) builds ( D) establishes 16 【 C16】 ( A) consume ( B) burn ( C) use ( D) expend 17 【 C17】 ( A) aver
10、age ( B) usual ( C) common ( D) even 18 【 C18】 ( A) grown ( B) reduced ( C) lost ( D) gained 19 【 C19】 ( A) of ( B) for ( C) on ( D) by 20 【 C20】 ( A) as well as ( B) instead of ( C) rather than ( D) together with 20 Scientists had thought people began manipulating fire to create tools in Europe abo
11、ut 25, 000 years ago. But the new finds suggest that people in【 C1】 _is now South Africa discovered that heating a stone called silcrete would make it easier to flake, allowing them to shape more 【 C2】 _ blades, knives, and other tools. These early engineers likely used some of these tools to hunt a
12、nd butcher wide range of【 C3】_, from the aggressive buffalo to the tiny rat. This sophisticated control【 C4】 _ fire reflects advanced smarts, and marks the turning point【 C5】 _we became “ uniquely human,“ said study leader Kyle Brown, an archaeologist at the University of Cape Town. “These people we
13、re extremely【 C6】 _,“ Brown said. “These are not the【 C7】 _of the classic cavemen. “ As part of the study, the researchers 【 C8】 _ the processes the early Africans likely【 C9】 _ to make the stone tools. Heated over a fire pit, the silcrete flaked and【 C10】 _a glossy red color. Such craftsmanship req
14、uired thinking 【 C11】 _, a sign of high intelligence, Brown said. People had to【 C12】 _ firewood, build the fire, work the stone, and then【 C13】 _the handle to the stone using natural adhesives. “ Because(this is)such a sophisticated technology, this is something that would【 C14】 _ language to【 C15】
15、 _ to the next generation,“ he added. But paleoanthropologist John Shea isnt convinced by the idea that “ heat treating“ stone was a sign of the 【 C16】 _to modern human behavior. “ My position is that you shouldnt 【 C17】 _ this event you have to prove it,“ Shea said.【 C18】_, Shea praised the study,
16、saying it will 【 C19】 _ people to seek out other heat-treated stone tools【 C20】 _ in the African record. 21 【 C1】 ( A) where ( B) what ( C) which ( D) as 22 【 C2】 ( A) advanced ( B) primitive ( C) rough ( D) simple 23 【 C3】 ( A) food ( B) prey ( C) animals ( D) life 24 【 C4】 ( A) on ( B) under ( C)
17、over ( D) for 25 【 C5】 ( A) which ( B) when ( C) while ( D) since 26 【 C6】 ( A) naive ( B) stupid ( C) simple ( D) intelligent 27 【 C7】 ( A) image ( B) impression ( C) portrait ( D) figure 28 【 C8】 ( A) represented ( B) reproduced ( C) replaced ( D) repeated 29 【 C9】 ( A) would use ( B) have used (
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