一、根据句意及汉语或首字母提示写出单词。
1. Don't read in the sun. It will do h to your eyes.
2. — Must I （归还）this book to you right now, Millie?
— No, you needn't. You may keep it until next Friday.
3. Everyone should （行动）to stop hunters from hunting wild animals.
4. Paper is a useful invention. Cai Lun improved it （大约）2,000 years ago.
5. He tried his best in the competition, but （不幸地）, he didn't make it to the finals.

1. harm 2. return 3. act 4. around 5. sadly

二、用方框中所给单词或短语的适当形式填空(其中有一个是多余的)。
trap lung sponge non-living take in carbon dioxide
1. The table is a object made of wood.
2. — What kind of harm can the environment cause to our body?
— The polluted air in big cities is bad for people's .
3. — The hikers were in the mountains because of the snowstorm.
— That's so dangerous. Did the rescue operation(救援行动) start?
4. — Too much will cause the earth's temperature to rise.
— Yes. And once the temperature rises, it will bring about extreme weather.
5. — What did your mother do in the kitchen?
— She used a to clean up the spilled milk on the table.

1. non-living 2. lungs 3. trapped 4. carbon dioxide 5. sponge

三、单项选择。
1. You are not good at English. , you need to practise more.

A.Therefore
B.However
C.After that
D.Luckily

1. A

2. More and more information can be in our computers now.

A.helped
B.acted
C.stored
D.missed

2. C

3. — The mall eight floors and hundreds of shops.
— Yes. It is the largest shopping mall in the city.

A.adds
B.needs
C.borrows
D.includes

3. D

4. Mark tried to get rid his idea of selling his company, but he failed.

A.with
B.of
C.from
D.for

4. B

5. It's wise of our government to make laws the people in schools, hospitals and many other public places.

A.to protect; to smoke
B.to protect; smoking
C.to prevent; to smoke
D.to prevent; smoking

5. D