4. A. very much　　 B. too much　　　 C. much too　　　　 D. enough

3. A. research　　　 B. discussion　　　 C. argument　　　　 D. quarrel

2. A. cruel　　　　　 　B. kind　　　　　　 C. surprising　　　　 D. funny

1. A. sword　　　　 B. knife　　　　　 C. whip　　　　　　 D. stick

20. A. injuring　　　 　B. being injured　 C. be injuring　　　　 D. be injured

5

How do you draw the interest of a 4,500 kilogram elephant?

　 　You hit the elephant with a big　 I　 , according to a zoo director in California.

　　 But is that a　 2　 way to treat the big, friendly animals?

　　 How zoos treat their elephants has led to a scientific　 3　 . Some scientists complain that zoos use　 4　 force to train the huge animals and get them　 5　 control.

　　 There are about 400 elephants in North American zoos, and wild animal parks. The　 6　 animals with their big trunks and ears and tusks delight children and　 7 smiles from adults.　　 8　 hasn't　 9　 when an elephant has picked up a peanut quickly with its trunk from a trainer?

　　 But elephants aren't in zoos just for entertainment. Elephants are　 10　 in Asia and Africa, and being raised in American zoos may be　 11　 to keep them　 12.

　　 Elephants are different from most other zoo animals because they must be in touch with humans who take care of their feet, and　 13　 an elephant wants to be dominant(支配的). An elephant wants to control the　 14　 , not on the contrary.

　　 Elephant keepers must make the animals obey them　 15　 they may be attacked by the elephants.

　　 But some scientists are　 16　 that keepers are using too much　 17　 and are injuring elephants. Several zoos have recently been looked into　 18　 people said elephants were beaten with heavy sticks.

　　 Scientists are　 19　 zoos how to make elephants behave without　 20　 them. If they succeed, children will be entertained by elephants for many more generations.

19. A. need　　　　　 B. reason　　　　　 C. time　　　　　　　 D. excuse

18. A. lose　　　　　 B. miss　　　　　　 C. give up　　　　　 D. save

17. A. give　　　　　 B. turn　　　　　　 C. show　　　　　 　　D. refuse

16. A. because　　　 B. when　　　　　 　C. if　　　　　　　　　 D. even if

15. A. machines　　　 B. chemicals　　　 C. air　　　　　　　 D. work