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1、Passage 1（1994 年）The first and smallest unit that can be discussed in relation to language is the word. In speaking, the choice of words is 41 the utmost importance. Proper selection will eliminate one source of 42 breakdown in the communication cycle. Too often, careless use of words 43 a meeting o
2、f the minds of the speaker and listener. The words used by the speaker may 44 unfavorable reactions in the listener 45 interfere with his comprehension; hence, the transmission-reception system breaks down.46 inaccurate or indefinite words may make 47 difficult for the listener to understand the 48
3、which is being transmitted to him. The speaker who does not have specific words in his working vocabulary may be 49 to explain or describe in a 50 that can be understood by his listeners.41.A of B at C for D on42.A inaccessible B timely C likely D invalid43.A encourages B prevents C destroy D offers
4、44.A pass out B take away C back up D stir up45.A who B as C which D what46.A Moreover B However C Preliminarily D Unexpectedly47.A that B it C so D this48.A speech Bsense C message Dmeaning49.A obscure B difficult C impossible D unable50.A case B means Cmethod DwayPassage 2（ 1995 年 ）Sleep is divide
5、d into periods of so-called REM sleep, characterized by rapid eye movements and dreaming, and longer periods of non-REM sleep. 41 kind of sleep is at all well understood, but REM sleep is 42 to serve some restorative function of the brain. The purpose of non-REM sleep is even more 43 . The new exper
6、iments, such as these 44 for the first time at a recent meeting of the Society for Sleep Research in Minneapolis, suggest fascinating explanations 45 of non-REM sleep.For example, it has long been known that total sleep 46 is 100 percent fatal to rats, yet, 47 examination of the dead bodies, the ani
7、mals look completely normal. A researcher has now 48 the mystery of why the animals die. The rats 49 bacterial infections of the blood, 50 their immune systems the self-protecting mechanism against diseases-had crashed.41.A Either B Neither C Each D Any42.A intended B required C assumed D inferred43
8、.A subtle B obvious C mysterious D doubtful44.A maintained B described C settled D afforded45.A in the light B by virtue C with the exception D for the purpose46.A reduction B destruction C deprivation D restriction47.A upon B by C through D with48.A paid attention to B caught sight of C laid emphas
9、is on D cast light on49.A developed B produced C stimulated D induced50.A if B as if C only if D if only Passage 3（ 1996 年 ）Vitamins are organic compounds necessary in small amounts in the diet for the normal growth and maintenance of life of animals, including man.They do not provide energy, 41 do
10、they construct or build any part of the body. They are needed for 42 foods into energy and body maintenance. There are thirteen or more of them, and if 43 is missing a deficiency disease becomes 44 .Vitamins are similar because they are made of the same elements usually carbon, hydrogen, oxygen, and
11、 45 nitrogen. They are different 46 their elements are arranged differently, and each vitamin 47 one or more specific functions in the body.48 enough vitamins is essential to life, although the body has no nutritional use for 49 vitamins. Many people, 50 . believe in being on the safe side and thus
12、take extra vitamins. However, a well-balanced diet will usually meet all the body s vitamin needs.41.Aeither Bso Cnor Dnever42.Ashifting Btransferring Caltering Dtransforming43.Aany Bsome Canything Dsomething44.Aserious Bapparent Csevere Dfatal45.Amostly Bpartially Csometimes Drarely46.Ain that Bso
13、that Csuch that Dexcept that47.Aundertakes Bholds Cplays Dperforms48.ASupplying BGetting CProviding DFurnishing49.Aexceptional Bexceeding Cexcess Dexternal50.Anevertheless Btherefore Cmoreover DmeanwhilePassage 4（ 1997 年 ）Manpower Inc, with 560,000 workers, is the worlds largest temporary employment
14、 agency. Every morning, its people 41 into the offices and factories of America, seeking a days work for a days pay. One day at a time. 42 industrial giants like General Motors and IBM struggle to survive 43 reducing the number of employees, Manpower, based in Milwaukee, Wisconsin, is booming.44 its economy continues to recover, the US is increasingly becoming a nation of part-timers and temporary workers. This 45 work force is the most important 46 in American business today, and it is 47 changing the relat
