Ⅰ.根据句意从方框中选出正确的单词填空。
　　　　　　　　　　　
1. If no one ________ everywhere,our planet will be beautiful.
2. ________ are not allowed to fish in the Yangtze River.
3. 地理常识It's well - known that Shanxi Province produces the most ________ in China.
4. We'd better not take ________ chopsticks when we buy takeaway food.
5. Look! There is a ________ bag on the grass. Let's pick it up and throw it into the ________.

Ⅰ. 1. litters 2. Fishermen 3. coal 4. wooden 5. plastic; bin

Ⅱ.在空白处填入适当的单词或括号内单词的适当形式。
1. My aunt didn't buy the car because it ________(cost) too much.
2. The woman's quick ________(act) saved the child's life.
3. Something must be done to stop people from ________(throw) litter into the river.
4. Cycling can help us save energy and doesn't cause environmental ________(pollute).
5. Kids should play outdoor games more instead of ________(play) computer games.
6. The unexpected heavy snow led ________ the traffic jam yesterday.

Ⅱ. 1. cost 2. action 3. throwing 4. pollution 5. playing 6. to

Ⅲ.选择填空。
(　　)1. 童话故事The ______ duckling finally became a beautiful white swan(天鹅) after experiencing many difficulties.
A. ugly B. smart C. thin D. pretty
(　　)2.(武汉)—Peter was picked out to be on the school volleyball team.
—His height gives him a big ______.
A. situation B. challenge C. achievement D. advantage
(　　)3. My parents have decided to give me full support in this activity. I thank them from the ______ of my heart.
A. beginning B. corner C. end D. bottom
(　　)4. —Look at the thick clouds. It seems to rain soon.
—Keep cool. The rain won't make much ______ to the game.
A. difference B. decision C. effort D. choice
(　　)5. —The local beautiful beaches have been badly polluted in the past few years.
—Yes,the government is making measures to ______ the polluted beaches.
A. make up B. take up C. shut up D. clean up
(　　)6. Our school plants thousands of trees on the Tree Planting Day every year to help ______ air pollution.
A. take down B. turn down C. cut down D. look down

Ⅲ. 1 - 5 A D D A D 6. C