题文

阅读理解

People can cut down poplar trees(杨树)and use them for wood or paper. Their large roots help reduce the loss of soil. Now, poplar trees are often used to prevent environment pollution.        The poplar trees are found in many places in the northern part ofthe world. They are fast growing trees that need a lot of water.Different kinds of poplar trees are native to Asia, Europe and North America.        Professor Richard-Meagher is now testing a poplar tree to take in mercury  (水银) through its roots. The tree then slowly releases(释放) the mercury into the air through its leaves. Mercury builds up in fish and other living things,which is dangerous to people.Around a factory, Professor Meagher has planted one hundred and sixty poplars to remove the pollution. There is great interest in using plants to control harmful things. And poplar trees are among the most studied.

1. What do people use poplar trees for?

A. Clothes or Wood. B. Food or paper. C. Wood or paper. D. Clothes or food.

2. Where  are  poplar  trees from?

A. In the northern part of the world. B. In the southern part of the world. C. Asia, North Europe and America. D. Asia, Europe and North America.

3. Poplar trees spread the mercury  into  the  air through         .

A. their large roots B. their leaves C. the soil D. the water

4. What does the underlined part  "builds up" mean in Chinese?

A. 积累     B. 损失     C. 减轻     D. 穿过

5. What is the passage mainly about?

A. Growing poplar trees need a lot ofwater. B. Poplar trees can clean the environment. C. Mercury should be released. D. Mercury is bad for people.

题型：阅读理解  难度：中档

答案

1-5 C D B A B

据专家权威分析，试题“阅读理解 People can cut down poplar trees(杨树)and use them ..”主要考查你对  日常生活类阅读  等考点的理解。关于这些考点的“档案”如下：

日常生活类阅读

考点名称：日常生活类阅读

• 日常生活类阅读：
  日常生活这一话题主要涉及人们衣食住行等方面的活动。这一话题的选材主要针对人们日常的工作，生活以及学习情况。
  做这一类题时，最主要的是要把握好人物的活动内容，时间和地点。