大学英语六级综合-篇章词汇理解(一)及答案解析.doc
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1、大学英语六级综合-篇章词汇理解(一)及答案解析(总分:450.00,做题时间:90 分钟)一、篇章词汇理解(总题数:0,分数:0.00)二、Passage 1(总题数:1,分数:90.00) A. illnessesD. discoveryG. enormousJ. story M. alike B. dangerousE. stayH. modified K. characteristic N. preserve C. processedF. purposesI. remain L. higher O. treatedThe food we eat seems to have profoun
2、d effects on our health. Although science has made (1) steps in making food more fit to eat, it has, at the same time, made many foods unfit to eat.Some research has shown that perhaps eighty percent of all human (2) are related to diet and forty percent of cancer is related to the diet as well, esp
3、ecially cancer of the colon. Different cultures are more likely to cause certain different illnesses because of the food that is (3) in these cultures.That food is related to illness is not a new (4) . In 1945, government researchers realized that nitrates, commonly used to (5) color in meats, and o
4、ther food additives, caused cancer. Yet, these additives (6) in our food, and it becomes more difficult all the time to know which things on the packaging labels of (7) food are helpful or harmful.The additives which we eat are not all so direct. Farmers often give penicillin to beef and living anim
5、als, and because of this, penicillin has been found in the milk of (8) cow. Sometimes similar drugs are given to animals not for medical (9) , but for financial reasons. The farmers are simply trying to fatten the animals in order to obtain a (n) (10) price on the market. Although the Food and Drug
6、Administration (FDA) has tried repeatedly to control these procedures, the practices continu(分数:90.00)填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_三、Passage 2(总题数:1,分数:90.00) A. separateD. unlessG. birthJ. clearly M. intelligence B. stimulatedE. whenH. improved K. demonstrat
7、ed N. capable C. smartF. fullyI. environment L. similar O. collegeThere are two factors which determine an individuals intelligence. The first is the sort of brain he is born with. Human brains differ considerably, some being more (1) than others. But no matter how good a brain he has to begin with,
8、 an individual will have a low order of intelligence (2) he has opportunities to learn. So the second factor is what happens to the individualthe sort of (3) in which he is reared.The importance of environment in determining an individuals intelligence can be (4) by the case history of the identical
9、 twins, Peter and Mark. Being identical, the twins had identical brains at (5) , and their growth processes were the same. When the twins were three months old, their parents died, and they were placed in (6) foster homes. Peter was reared by parents of low intelligence in an isolated community with
10、 poor educational opportunities. Mark was reared in the home of well-to-do parents who had been to (7) . He was read to as a child, sent to good schools, and given every opportunity to be (8) intellectually. This environmental difference continued until the twins were in their late teens, when they
11、were given tests to measure their (9) . MarksI.Q. was 125, twenty-five points higher than the average and (10) forty points higher than his identical brother. Given equal opportunities, the twins, having identical brains, would have tested at roughly the same level.(分数:90.00)填空项 1:_填空项 1:_填空项 1:_填空项
12、 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_四、Passage 3(总题数:1,分数:90.00) A. importantD. petG. handsJ. follow M. share B. hesitantlyE. delayH. knife K. acceptable N. calmly C. differF. considerableI. lady L. mouth O. uncomfortableSocial customs and ways of behaving change. Things which were consider
13、ed impolite many years ago are now (1) . Just a few years ago, it was considered impolite for a man to smoke on street. No man smoked when a(n) (2) was in a room.Customs also (3) from country to country. Does a man walk on the left or the right of a woman in your country? Or doesnt it matter? Should
14、 you use both (4) when you are eating? Should you leave one in your lap, or on the table?The Americans and the British not only speak the same language but also (5) a large number of social customs. For example, most Englishmen will open a door for a woman or offer their seat to a woman, and so will
15、 most Americans. Promptness is (6) both in England and in America. That is, if a dinner invitation is for 7 oclock, the dinner guest either arrives close to that time or calls up to explain his (7) .The important thing to remember about social customs is not to do anything that might make other peop
16、le feel (8) especially if they are your guests. When the food was served, one of the guests started to eat his peas with a(n) (9) . The other guests were amused or shocked, but the host (10) picked up his knife and began eating in the same way. It would have been bad manners to make his guest feel f
17、oolish or uncomfortabl(分数:90.00)填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_五、Passage 4(总题数:1,分数:90.00) A. promiseD. dependG. familiarJ. ticks M. check B. likelyE. focusH. differently K. importance N. characteristic C. temperatureF. accurateI. compared L. dream O. basesThe
18、accuracy of scientific observations and calculations is always at the mercy of the scientists timekeeping methods. For this reason, scientists are interested in devices that give (1) of more precise timekeeping.In their search for precision, scientists have turned to atomic clocks that (2) on variou
19、s vibrating atoms or molecules to supply their “ticking“. This is possible because each kind of atom or molecule has its own (3) rate of vibration. The nitrogen atom in ammonia, for example, vibrates or “ (4) “ 24 billion times a second.One such atomic clock is so (5) that it will probably lose no m
20、ore than a second in 3000 years. It will be of great (6) in fields such as astronomical observation and long-range navigation. The heart of this Atomichron is a cesium atom that vibrates 92 billion times a second when heated to the (7) of boiling water.An atomic clock that operates with an ammonia m
21、olecule may be used to (8) the accuracy of predictions based on Einsteins relativity theories, according to which a clock in motion and a clock at rest should keep time (9) . Placed in an orbiting satellite moving at a speed of 18,000 miles an hour, the clock could broadcast its time readings to a g
22、round station, where they would be (10) with the readings on a similar model. Whatever differences develop would be checked against the differences predicte(分数:90.00)填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_六、Passage 5(总题数:1,分数:90.00) A. severelyD. formG. goingJ. manage
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