Question

【題目】 Our world is in danger. We must do something to protect the environment. But, what are the main problems we face?

The greenhouse effect

The atmosphere around the Earth is necessary for all living things. It is like the glass of a greenhouse, letting sunlight in and keeping heat from getting out. Without it, the Earth would be the same as the Moon-cold and lifeless.

When we burn fuels such as petrol and coal, we produce a gas called carbon dioxide (CO) Too much of this gas pollutes the atmosphere, and gets it to keep in too much heat. As a result of the greenhouse effect, the Earth's temperature is increasing. This led to sea level to rise, and in the future may make cities disappear.

Cutting down forests

Every year, we destroy nature by cutting down huge areas of forests. This makes greenhouse effect worse because trees take in CO and produce oxygen. Cutting down trees also destroys the homes of the animals that live in our forests, and makes the surface of the soil be easily destroyed by rain. This can result in floods and even more damage to the environment.

Bad habits

Many of our habits result in pollution. People often use things once and then throw them away. This creates mountains of rubbish and pollutes our land and seas.

【1】What is the atmosphere like?

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【2】Why is the Earth's temperature increasing?

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【3】How many things can be led to by cutting down forests according to Paragraph 4?

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【4】How is a great deal of rubbish produced?

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【5】Is the greenhouse effect one of the main problems people face?

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Answer 1

【答案】

【1】The glass of a greenhouse.

【2】As a result of/Because of the greenhouse effect.

【3】Three.

【4】People often use things once and then throw them away/By using things once and then throwing them away.

【5】Yes.

【解析】

本文介紹了溫室效應(yīng)，砍伐森林，壞習慣是我們所面臨的主要環(huán)境問題。

【1】

根據(jù)It is like the glass of a greenhouse, letting sunlight in and keeping heat from getting out，可知，大氣層就像溫室的玻璃，讓陽光進來，防止熱量散發(fā)出去，所以空格處填The glass of a greenhouse。故答案為The glass of a greenhouse。

【2】

根據(jù)As a result of the greenhouse effect, the Earth's temperature is increasing，可知，由于溫室效應(yīng)，地球的溫度正在上升，所以空格處填As a result of/Because of the greenhouse effect。故答案為As a result of/Because of the greenhouse effect。

【3】

This makes greenhouse effect worse. Cutting down trees also destroys the homes of the animals that live in our forests, and makes the surface of the soil be easily destroyed by rain. This can result in floods and even more damage to the environment，由此可知，砍樹會讓溫室效應(yīng)更嚴重，也會破壞動物的家園，也會使泥土表面輕易地被雨水破壞而引起洪水和更嚴重的自然災害，所以第四段提到了砍伐森林會導致三種后果，故空格處填Three。故答案為Three。

【4】

根據(jù)People often use things once and then throw them away. This creates mountains of rubbish and pollutes our land and seas，可知，人們經(jīng)常把只使用一次的東西扔掉，這就產(chǎn)生了大量的垃圾，所以空格處填People often use things once and then throw them away/By using things once and then throwing them away。故答案為People often use things once and then throw them away/By using things once and then throwing them away。

【5】

根據(jù)But, what are the main problems we face? The greenhouse effect，Cutting down forests，Bad habits“但是，我們面臨的主要問題是什么？溫室效應(yīng)，砍伐森林，壞習慣”，可知，溫室效應(yīng)是人們面臨的問題之一，所以空格處填Yes。故答案為Yes。