第二節(jié) 完形填空
During the 19th century scientists found that when a certain part of man were (16), he would lose the (17) to do certain things. And so people thought that each part of the brain does a (18) job. But modern research has found out that this is (19), for it is not easy to say exactly what each part of the head does.
In the past fifty years there (20) a great increase in the amount of research (21) on the brain. Chemists and biologist have (22) that the way the brain works is not so simple (23) people in general may be. Chemists tell us that about 1000,000 chemical changes (24) in the brain every second. Some recent researches also (25) that man can remember everything (26) happens to him. We may (27) to recall the thing we have heard or seen, but it is all kept there in the storehouse of the human head.
Earlier scientists said that the power of (28) brain got weaker and weaker as (29) grows older. But it is now (30) that that is not true. (31) the brain is given enough exercise, it keeps its ability. (32) has been proved that an old person who has always been active in the mind has (33) mind than a young person who has only done (34) work (35) using much of his brain.
16 a. destroyed b. hurt c. broken d. lost
17 a. strength b. forces c. power d. right
18 a. busy b. difficult c. same d. different
19 a. not so b. true c. interesting d. correct
20 a. has bad b. has been c. was d. had been
21 a. made b. worked c. doing d. carrying
22 a. seen b. uncovered c. disclosed d. discovered
23 a. to b. for c. that d. as
24 a. get b. go through c. take place d. take part
25 a. suggest b. know c. advise d. think
26 a. it b. else c. that d. what
27 a. be unable b. be able c. be d. not be
28 a. its b. its c. one d. ones
29 a. it b. they c. we d. one
30 a. known b. regarded c. considered d. thought
31 a. Since b. As long as c. Whether d. As soon as
32 a. It b. That c. This d. They
33 a. slower b. quicker c. bigger d. smaller
34 a. hard b. physical c. chemical d. mental
35 a. no b. for c. of d. without
During the 19th century scientists found that when a certain part of man were (16), he would lose the (17) to do certain things. And so people thought that each part of the brain does a (18) job. But modern research has found out that this is (19), for it is not easy to say exactly what each part of the head does.
In the past fifty years there (20) a great increase in the amount of research (21) on the brain. Chemists and biologist have (22) that the way the brain works is not so simple (23) people in general may be. Chemists tell us that about 1000,000 chemical changes (24) in the brain every second. Some recent researches also (25) that man can remember everything (26) happens to him. We may (27) to recall the thing we have heard or seen, but it is all kept there in the storehouse of the human head.
Earlier scientists said that the power of (28) brain got weaker and weaker as (29) grows older. But it is now (30) that that is not true. (31) the brain is given enough exercise, it keeps its ability. (32) has been proved that an old person who has always been active in the mind has (33) mind than a young person who has only done (34) work (35) using much of his brain.
16 a. destroyed b. hurt c. broken d. lost
17 a. strength b. forces c. power d. right
18 a. busy b. difficult c. same d. different
19 a. not so b. true c. interesting d. correct
20 a. has bad b. has been c. was d. had been
21 a. made b. worked c. doing d. carrying
22 a. seen b. uncovered c. disclosed d. discovered
23 a. to b. for c. that d. as
24 a. get b. go through c. take place d. take part
25 a. suggest b. know c. advise d. think
26 a. it b. else c. that d. what
27 a. be unable b. be able c. be d. not be
28 a. its b. its c. one d. ones
29 a. it b. they c. we d. one
30 a. known b. regarded c. considered d. thought
31 a. Since b. As long as c. Whether d. As soon as
32 a. It b. That c. This d. They
33 a. slower b. quicker c. bigger d. smaller
34 a. hard b. physical c. chemical d. mental
35 a. no b. for c. of d. without