For example, when farmers killed large numbers of hawks(鹰), the farmers’ stores of corn and grain were destroyed by rats and mice. Why? Because hawks eat rats and mice. With no hawks to keep down their numbers, the rats and mice multiplied(繁殖) quickly.

　　Luckily, some people are working to help save the animals. Some groups raise money to let people know about the problem. And they try to get the governments to pass laws protecting animals in danger.

　　Quite a few countries have passed laws. These laws forbid(禁止) the killing of any animal or plant on the danger list. Slowly, the number of some animals in danger is growing.

　　56. Animals are important to us mainly because __________.

　　A . they give us a source of food

　　B. they are beautiful and lovely

　　C. they keep the balance of nature

　　D. they give us a lot of pleasure

　　57. What has happened to the animals on the earth?

　　A. About 170 kinds of animals have disappeared forever.

　　B. Thousands of kinds of animals are gone forever.

　　C. A few kinds of animals have died out.

　　D. All kinds of animals are in danger.

　　58. Why do people kill animals?

　　A. They kill animals for something they need.

　　B. They kill animals to raise some money.

【广东省2017高考英语一轮复习周周练 第一周 星期一】相关文章：

★ 四川省2016届高考英语一轮复习课时作业（41） Module 5 Ethnic Culture 外研版选修8

★ 【北京专用】2014届高考英语一轮复习方案课时作业：必修4 Unit 1 Women of achievement

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (24)

★ （全国通用）2014届高考英语一轮单元复习 限时强化训练十二

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ题型重组训练：第10组（含解析）

★ 【北师大版】2014届高考英语一轮复习指导课时作业：Unit 7 B卷 Word版含解析

★ 【北京专用】2014届高考英语一轮复习方案课时作业：必修5 Unit 2 The United Kingdom

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (12)

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (48)

★ 【外研英语，七省专用】2014《走向高考》英语一轮总复习（2016春出版）第一部分 教师讲义手册：选修八高考专项突破2