Question

【题目】Every time we turn on the TV or take a ride in a car, we could be adding to a problem called acid rain(酸雨). In this article, we’ll learn something important about acid rain.

The formation of acid rain

When people use fuels (燃料), such as coal and gasoline(汽油), poisonous gases are given off. When these gases come together with rain, acid rain forms. Many power stations burn fuels in order to create the electricity(电) that we use in our homes and offices every day. Cars and trucks also send these gases into the air when they burn gasoline. When rain meets these gases, harmful things called acids form. This is acid rain.

The harm of acid rain

Acid rain destroys everything that it touches. It poisons our rivers, ponds and lakes and oceans along with the life in them. It pollutes our soils and crops, harm trees, and can even kill fish and plants. Acid rain also eats away at our buildings.

The prevention of acid rain

We need to reduce and even stop the pollution that gets into our air. Turn off lights, televisions and other electrical appliances(电器) if we are not using them. Walk and take a bike whenever possible. If we are travelling a long distance, take a bus or train to save fuel.

As research shows, acid rain harms our environment. But people everywhere can take small steps now to help protect our environment for future generations.

Whenever we use electricity or drive our cars we may add something bad to the air around us. And even worse, we may cause a terrible problem—acid rain.
The formation of acid rain	When fuels, such as coal and gasoline are burnt, harmful gases are sent into the air. When these gases 【1】 with rain, acid rain forms.
The harm of acid rain	Acid rain is greatly 【2】 to the environment. It makes our rivers, ponds and lakes and oceans dirty and 【3】 the death of fish and plants. And it can corrode (腐蚀) the buildings we live in.
The prevention of acid rain	Trying to prevent the pollution that gets into the air is 【4】 . Keep the electrical appliances off while they are not in use. We can also use different ways of traffic to make less use of fuels.
Research tells us that acid rain harms our environment. So people around the world can take small steps now to make a 【5】 to our kids.

Answer 1

【答案】

【1】mix

【2】harmful

【3】causes

【4】necessary

【5】difference

【解析】

试题分析：酸雨对环境非常有害，它使河流，水塘，湖泊和海洋很脏并且引起鱼和植物的死亡。所以现在全世界的人们正努力为避免这个问题而奋斗。

【1】句意：当这些气体和雨混合在一起，酸雨就形成了。据When these gases come together with rain, acid rain forms.故填mix混合。

【2】句意：酸雨对环境非常有害。据The harm of acid rain中内容可知答案，be harmful to对……有害,故填harmful。

【3】句意：它使河流，水塘，湖泊和海洋很脏并且引起鱼和植物的死亡。据It pollutes our soils and crops, harm trees, and can even kill fish and plants. 可知答案causes引起。

【4】句意：设法避免污染进入空气是有必要的。据We need to reduce and even stop the pollution that gets into our air.故填necessary有必要的。

【5】句意：所以现在全世界的人们可以逐步采取措施以影响孩子们。make a difference有作用、有影响。