新理念大学英语学习大厅第三册单元测试答案

Astronomers also theorize that 99% of the matter in the universe is invisible, or dark matter,

composed of some kind of matter that they cannot yet (10 . Answer: 1. contained 2. form 3.

4.49 4. telescopes 5. compressed 6. released 7. confirm 8. violent 9. density 10. detect SET 2

What will man be like in the future -- in 5,000 or even 50,000 years from now? Man, even five hundred years ago, was shorter than he is today. Now, on (1 , men are about

three (2 taller. Five hundred years is a relatively short period of time, so we may (3 that man

will continue to grow taller. Again, in the modern world we use our brains a great deal. Even so, we

still make use of only about 20% of the brain's (4 . As time goes on, however, we shall have to use

our brains more and more, and (5 we shall need larger ones! This is likely to bring about a

physical change too: the head, in (6 the forehead, will grow larger.

Nowadays our eyes are in (7 use. In fact, we use them so much that very often they become

weaker and we have to wear glasses. But over very long period of time it is likely that man's eyes

will grow stronger.

On the other hand, we (8 to make less use of our arms and legs. These, as a result, are likely

to grow weaker. At the same time, however, our fingers will grow more (9 because they are used

a great deal in modern life.

But what about hair? This will probably disappear from the body altogether in (10 of time

because it does not serve a useful purpose any longer. In the future, then, both sexes are likely to be

bald.

Answer: 1. average 2. inches 3. assume 4. capacity 5. eventually 6. particular 7. constant 8. tend 9. sensitive 10. course

Listening Comprehension

Directions: Watch the video clip and decide whether the following statements are True or False

SET 1

1. The first girl has read all books on the problems of black people. True False 2. According to the first girl, the time for non-violent revolution is past. True False 3. According to the girls, property values decline when a black family moves in. True False

4. According to one of the girls, Jewish people are the closest to black people. True False

5. The girls think the cat may be someone famous. True False Answer: 1. False 2. True 3. False 4. True 5. True SET 2

1. The father reminds his two little girls that they are on holiday. True False 2. One officer stops the family and demands their passport. True False

3. Christie is worrying whether they will get across the border or not. True False 4. Christie told the officer that she is ten. True False

5. The officers are suspicious because there is something wrong with the passport. True False

Answer: 1. True 2. True