[外语类试卷]专业英语四级(完形填空)模拟试卷172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 172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 Unless we spend money to spot and prevent asteroids now, one might crash
2、into Earth and destroy life as we know it, say some scientists. Asteroids are bigger versions of the meteorites that race【 C1】 _ the night sky. Most【 C2】 _ the sun far from Earth and dont threaten us. But there are also thousands【 C3】 _ orbits put them on a collision course with the【 C4】 _. Buy $50
3、million worth of new telescopes right now. Then spend $10 million a year for the next 25 years to【 C5】 _ most of the space rocks.【 C6】 _ we spot a fatal one, well have a way to change its【 C7】 _, the scientists say. Some scientists【 C8】 _ pushing asteroids off course with nuclear weapons. But the co
4、st wouldnt be cheap. Is it【 C9】 _ it? Two things experts consider when judging any【 C10】 _ are how likely the event is and how bad the【 C11】 _ if the event occurs. Experts think an asteroid【 C12】 _ enough to destroy lots of life might strike Earth once every 500,000 years. Sounds pretty【 C13】 _ but
5、if one did fall, it would be the【 C14】 _ of the world. “【 C15】 _ we dont take care of these big asteroids, theyll take care of us. Its that【 C16】 _,“ says one scientist. The【 C17】 _, though, might be worse than the disease. Do we really want【 C18】 _ nuclear weapons sitting around on Earth? “The worl
6、d has【 C19】_ to fear from doomsday rocks than from a great nuclear fleet【 C20】 _ them,“ said a New York Times article. 1 【 C1】 ( A) over ( B) off ( C) away ( D) across 2 【 C2】 ( A) surround ( B) orbit ( C) cycle ( D) enclose 3 【 C3】 ( A) which ( B) whose ( C) that ( D) what 4 【 C4】 ( A) sun ( B) ear
7、th ( C) rocks ( D) meteorites 5 【 C5】 ( A) locate ( B) place ( C) settle ( D) calculate 6 【 C6】 ( A) Before ( B) By the time ( C) Even if ( D) Although 7 【 C7】 ( A) passage ( B) channel ( C) course ( D) discipline 8 【 C8】 ( A) benefit ( B) profit ( C) favor ( D) oblige 9 【 C9】 ( A) worth ( B) worth
8、of ( C) worthy ( D) worthwhile 10 【 C10】 ( A) harm ( B) risk ( C) loss ( D) waste 11 【 C11】 ( A) cause ( B) conclusions ( C) infection ( D) consequences 12 【 C12】 ( A) fast ( B) big ( C) high ( D) far 13 【 C13】 ( A) unique ( B) odd ( C) small ( D) rare 14 【 C14】 ( A) end ( B) result ( C) fate ( D) d
9、estiny 15 【 C15】 ( A) Unless ( B) If ( C) Because ( D) Since 16 【 C16】 ( A) open ( B) pure ( C) simple ( D) weird 17 【 C17】 ( A) adjustment ( B) cure ( C) adoption ( D) modification 18 【 C18】 ( A) fleets of ( B) swarms of ( C) flocks of ( D) clusters of 19 【 C19】 ( A) least ( B) more ( C) less ( D)
10、most 20 【 C20】 ( A) set about ( B) set apart ( C) set against ( D) set aside 20 Is language, like food, a basic human need without which a child at a critical period of life can be starved and damaged?【 C1】 _ the drastic experiment of Frederick II in the thirteenth century, it may be. Hoping to disc
11、over【 C2】 _ language a child would speak if he heard no mother tongue, he told the nurses to keep【 C3】 _. All the infants died before the first years. But clearly there was more than【 C4】_ language here. What was missing was good mothering. Without good mothering, in the first year of life especiall
12、y, the【 C5】 _ to survive is seriously affected. Today no such severe lack exists as that ordered by Frederick.【 C6】 _, some children are still backward in speaking. Most often the【 C7】 _ for this is that the mother is insensitive to the【 C8】 _ of the infant, whose brain【 C9】 _ to learn language rapi
13、dly. If these sensitive periods are neglected, the ideal time for【 C10】_ skills passes and they might never be learned so【 C11】 _ again. A bird learns to sing and to fly rapidly at the right time, but the process is slow and hard【 C12】 _ the critical stage has passed. Experts suggest that speech sta
14、ges are reached in a fixed sequence and at a【 C13】_ age, but there are cases【 C14】 _ speech has started late in a child who eventually【 C15】 _ to be of high IQ. At twelve weeks a baby smiles and makes vowel-like【 C16】 _; at twelve months he can【 C17】 _ simple words and understand simple commands; at
15、 eighteen months he has a【 C18】 _ of three to fifty words. At three he knows about 1,000 words which he can【 C19】 _ sentences, and at four his language differs from【 C20】 _ of his parents in style rather than grammar. 21 【 C1】 ( A) Judged from ( B) Judging from ( C) Judged on ( D) Judging on 22 【 C2
16、】 ( A) that ( B) in which ( C) which ( D) what 23 【 C3】 ( A) calm ( B) silent ( C) still ( D) quiet 24 【 C4】 ( A) lack in ( B) lack with ( C) lack for ( D) lack of 25 【 C5】 ( A) volume ( B) capacity ( C) column ( D) vision 26 【 C6】 ( A) Similarly ( B) Consequently ( C) Furthermore ( D) Nevertheless
17、27 【 C7】 ( A) result ( B) reason ( C) cause ( D) phenomenon 28 【 C8】 ( A) marks ( B) cries ( C) signals ( D) smiles 29 【 C9】 ( A) is programming ( B) is programmed ( C) has programmed ( D) programs 30 【 C10】 ( A) acquiring ( B) requiring ( C) inquiring ( D) requesting 31 【 C11】 ( A) earnestly ( B) s
18、eriously ( C) easily ( D) sincerely 32 【 C12】 ( A) before ( B) unless ( C) until ( D) once 33 【 C13】 ( A) continuous ( B) continual ( C) constant ( D) consequent 34 【 C14】 ( A) that ( B) which ( C) where ( D) what 35 【 C15】 ( A) turns on ( B) turns out ( C) turns up ( D) turns in 36 【 C16】 ( A) dial
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