Ⅰ.完形填空

　　Conservationists are breeding (饲养) lions in the Southern African nation of Zimbabwe. The wildlife experts hope to increase the lion population to keep the great cats from 1 .

　　In some areas, lions and human beings are 2 control of land. Researchers believe something must be done quickly to 3 the animals.

　　The African Lion and Environmental Research Trust (ALERT) has more than 100 4 in its breeding program. Antelope Park Farm is one of two sites ALERT operates in Zimbabwe.

　　Gary Jones heads the Antelope Park Farm. He says ALERT has become involved 5 a sharp drop in the number of lions. His group believes this has been 6 mainly by humans. There are more people moving to this area every year. The lions have 7 land on which to live.

　　Gary Jones says the decrease in the lion population affects the whole 8 . He adds that other African nations are also seeing the 9 effects of this.

　　There are countries, 10 in central and north Africa, where the lion population has reached a(n) 11 level. Burundi, a country of east­central Africa, for instance, does not have lions in its national parks. It 12 wants to have lions reintroduced back into its national parks. The reason is that when you take the lion out of the equation (平衡), suddenly you get all 13 things start happening with the balance of 14 . For example, you get too many prey (猎物) species, like giraffes and zebras.

　　The United Nations' Food and Agriculture Organization says 15 animals are threatened when farmers try to 16 their plants or animals.

　　Rene Czudek works for the UN agency. He says his organization has 17 a human­wildlife tool kit (成套工具) that some countries are using to reduce 18 between humans and wildlife. "In fact, the tool kit is a kind of instrument that extension workers can use with the 19 - explain to them how wildlife behaves, and then show them what the risky behaviors are, and how they should 20 their fields accordingly，" Mr. Czudek said.

　　1．A.disappearing　　　　　 B．attacking

　　C．changing D．arriving

　　解析：选A　由上文的"increase the lion population"可推断，野生动物保护专家希望防止狮子"消失(disappearing)"。

　　2．A.waiting for B．cheering for

　　C．competing for D．looking for

　　解析：选C　在一些地方，狮子和人类正在"争夺(competing for)"对土地的控制。

　　3．A.train B．observe

C．catch D．save