Question

One reaction to all the concern about tropical deforestation（毁林） is a blank stare that asks the question, "Since I don't live there, what does it have to do with me?"

The answer is that your way of life, wherever you live in the world, is tied to the tropics in many ways. If you live in a house, wash your hair, eat fruits and vegetables, drink soda, or drive a car, you can be certain that you are affected by the loss of tropical forests.

Biologically, we are losing the richest regions on earth when, each minute, a piece of tropical forest, the size of ten city blocks, disappears. As many as five million species of plants, animals, and insects (40 to 50 percent of all living things) live there, and are being lost faster than they can be found and described. Their loss is immeasurable.

Take rubber for example. For many uses, only natural rubber from trees will do. Synthetics are not good enough. Today over half the world's commercial rubber is produced in Malaysia and Indonesia, while the Amazon's rubber industry produces much of the world's four million tons. And rubber is an important material in making gloves, balloons, footwear and many sporting goods. Thousands of other tropical plants are valuable for their industrial use.

Many scientists strongly believe that deforestation contributes to the greenhouse effect -- or heating of the earth from increased carbon dioxide in the atmosphere. As we destroy forests, we lose their ability to change carbon dioxide into oxygen.

Carbon dioxide levels could double within the next half-century, warming the earth by as much as 4.5 degrees. The result? A partial melt-down of polar ice caps, raising sea levels as much as 24 feet; even 15 feet could threaten anyone living within 35 miles of the coast. Unbelievable? Maybe. But scientists warn that by the time we realise the severe effects of tropical deforestation, it will be 20 years too late.

Can tropical deforestation affect our everyday lives? Now, you should have got the answer.

1.The underlined word "synthetics" probably means_________.

 A. natural rubber                   B. tropical materials

 C. man-made material               D. commercial rubber

2.According to the passage, which of the following is NOT true?

 A. The forests are losing their function in turning carbon dioxide into oxygen.

 B. Many of our daily uses are related to the tropical forests.

 C. Tropical plants can be used to make industrial products.

 D. High carbon dioxide levels will make the earth warmer.

3.The author's attitude towards the tropical deforestation is _________ .

 A. puzzling        B. cold          C. supporting        D. opposed

4.Which of the following might be the best title for the passage?

 A. Tropical Forests                 B. The Value of Tropical Forests

 C. Tropical Forests and Our Life     D. The Greenhouse Effects

 

Answer 1

【答案】

 

1.C

2.A

3.D

4.C

【解析】

试题分析：文章用森林的过度砍伐对你的生活有影响吗这个问题开篇，讲述了森林的作用，生物学家说，每一分钟都有大片的热带雨林消失，里面大量的物种也随之消失，以橡胶为例，天然的橡胶是人工香蕉难以相比的。同时，大片森林的消失也导致了温室效应，气温的上升导致极地冰的融化，水平面上升使很多人无家可归等。

1.C词义推测题。Take rubber for example. For many uses, only natural rubber from trees will do. Synthetics are not good enough.句意为：以橡胶为例，有太多的用途，是从树上得到的天然橡胶才能有的，所以后面应为，人造的是不足够好的。因此词意为“人造的”。

2.A细节推断题。文章的第一自然段以问题开始，下文介绍了森林的作用，有很多日用品是来自于树的，温室效应的产生也与森林的锐减有关，故B是正确的；下文的以橡胶为例说明了热带雨林的作用，故C是正确的；到数第二自然段森林的减少，将二氧化碳转为氧气的功能降低，从而产生了温室效应，故D是正确的。森林本身没有失去将二氧化碳转化为氧气的功能，而是森林的破坏使功能降低，故答案A不是真实的，应排除。

3.D细节理解题。文章说明了森林对我们生活的影响，从第一自然段提出的问题到最后一自然段的呼应，Can tropical deforestation affect our everyday lives? Now, you should have got the answer.热带雨林的破坏对我们的日常生活有影响吗？你应该知道答案了，可知作者是反对破坏森林的。

4.C综合理解题。森林的过度砍伐对你的生活有影响吗这个问题开篇，主要讲述了森林的作用，生物学家说，每一分钟都有大片的热带雨林消失，里面大量的物种也随之消失，以橡胶为例，天然的橡胶是人工香蕉难以相比的。同时，大片森林的消失也导致了温室效应，气温的上升导致极地冰的融化，水平面上升使很多人无家可归等。所以答案应为C，热带森林与我们的生活。

【考点】考查科普环保类文章的阅读理解。