Question

 阅读短文，从方框中选择适当的词并用其正确形式填空，使文章通顺、意思完整。请将答案写在短文后相应题号的横线上。每空限填一词，每词限用一次。方框中有两个词是多余的。

eat call other cut down create protect  pollute use prevent harm

Every time you turn on the television or take a ride in a car,you could be adding to a problem 66     acid rain. In this article，you’ll learn how acid is created，and how it affects us，and more importantly,what we all can do 67      it.

How is acid rain created?

When people use fuels (燃料），such as coal and gasoline,poisonous gases are given off. When these gases mix with rain,acid rain forms. Many power stations burn fuels in order 68      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 bum gasoline. When rain mixes with these gases,69      things called acids form. This is acid rain.

How does acid rain affect us?

Acid rain damages everything  that it touches. It poisons our rivers,ponds,lakes,and oceans  along  with all the

life in them. It 70      our soil and crops,harms trees,and can even kill fish and plants. Acid rain  also  71       away

at buildings.

How can we prevent acid rain?

We need 72      on the pollution that gets into our air. Turn off lights,televisions,and 73      electrical appliances if you are not 74      them,and walk or take a bike whenever possible. If you 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 75      our environment for future  generations.

66.        67.        68.          69.         70.       

71.      72.        73.        74._     _75.       

Answer 1

 66. called  67. to prevent  68. to create  69. harmful 70. pollutes  71. eats  72. to cut down  73. other 74. using  75. protect