名校最新大学英语四级阅读精讲的系列讲义：(132)_大学英语阅读

名校最新大学英语四级阅读精讲的系列讲义：(132)

　　D) They utilize seawater near this area.

　　3.Which of the following is true according to this passage?

　　A) Chad Lake located in the middle of Chad in northern Africa.

　　B) The water from Chad water can now only be used for irrigation.

　　C) The area around Chad Lake has suffered from heavy rain lack many decades.

　　D) Population around the Chad Lake now begins to decrease due to water lack.

　　4.Why computer data become imprecise in 1980s?

　　A) The related programs on the computer were out of date.

　　B) More and more people drew water directly from the lake for drink.

　　C) A heavy rain happened around 1980.

　　D) The irrigation from the source water increases.

　　5. What is scientists attitude towards the future of Chad Lake?

　　A) Pessimism.B) Hopeful. C) Indifferent. D) Doubtful.

　　答案与解析：

　　1.C。

　　本文分析导致乍得湖干枯的原因。主题题。A)只是文中提及的自然因素;文中提及peoples activity只是为了说明人为因素; 介绍科学家的工作也是为了分析原因。因此A),B),D)均为错误答案。

　　2.B。

　　生活在乍得湖区域的人们建造灌溉系统从湖中抽取水分来解决长期干旱问题。细节推理题。关键段落: This has forced people to build systems to carry water to dry land. These irrigation systems further decrease the lake. 可见人们采取的方式是从湖中提取水分。而A)迁移出去;C)从其他地方运水;D)从海水中运水文中均未提及。