Question

【题目】Our earth is in trouble. Our drinking water is becoming dirtier, and the air is not as clear as before. Rivers, lakes and seas【1】(pollute) by people and 【2】(factory). You might think there is nothing you can do【3】(help). That’s not true. There are many things you can do.

A lot of CO is produced into the air when cars burn gasoline. Some people believe that CO makes the earth warmer. they think CO thins the clouds above us. The clouds keep us away from 【4】strongest sunlight. So try to walk, ride a bicycle 【5】 take a bus. And if you drive a car, drive at a steady speed. This can save some gasoline.

The biggest energy use at home is for keeping warm or cool. So turn the air conditioner(空调) 【6】 when you don’t need to use it. Use lights that save energy.Use fewer things【7】 cannot be used again. When you buy something, consider those【8】(make) from things that can be used again first.

Taking a shower often【9】(need) a lot of water. In one week an American family uses as much water for showers as a person drinks in three years! Buy a waterworks(供水设备) that uses【10】(little) water, or take shorter showers. This can cut the use of water.

Answer 1

【答案】

【1】are being polluted

【2】factories

【3】to help

【4】the

【5】or

【6】off

【7】that

【8】made

【9】needs

【10】less

【解析】地球处于困境，水和空气正在遭受污染。为了阻止污染，本文介绍了你能做的很多事情。

【1】根据前文可知：江河湖海正在被人和工厂污染。此处应该用一般现在时态的被动语态，主语是复数，故答案为are being polluted。

【2】句意：江河湖海正在被人和工厂污染。名词用复数形式，故答案为factories。

【3】此处是动词不定式做目的状语，故答案为to help。

【4】形容词最高级前用定冠词the。

【5】尽量步行、骑自行车或乘公共汽车。故答案为or。

【6】固定短语：turn off关掉，故答案为off。

【7】此处things做先行词，并被不定代词fewer修饰，所以that引导定语从句，同时在从句中做主语。

【8】此处是过去分词做后置定语，故答案为made。

【9】句意：淋浴经常需要大量的水。动名词做主语后面的谓语动词用单数形式，故答案为needs。

【10】根据下文的shorter，可知此处用比较级，故答案为less。