(   ) 1. ―How many birds can you see in the tree?

--      

A. No one. B. None.

C. Anything. D. Nothing.

 從方框中選出合適的短語(yǔ)并用其適當(dāng)形式填空。

care for,break the rules, do one's best,walk on，in public

1. When you have a difficulty，you should      to deal with it.

2. I think we should       wild  animals, because they are our friends.

3. Kate，don't speak loudly      

4. You will be punished if you      

5. Parents should tell their children not to      grass.

(   ) 1. What should we do to protect our environment? 

(   ) 2. What are they talking about?

(   ) 3. What causes you to cough so badly? 

(   ) 4. His leg was hurt in a traffic accident.

(   ) 5. Everyone should care for animals and plant more trees.

n

A.  I'm sorry to hear that.

B.  The smoke from the chemical factory.

C.  We should do everything to protect it.

D.  They are talking about the environment.

E.   That's right.

5. 有些森林巳經(jīng)變成了農(nóng)田。

Some forests                   farm land.

4. 他學(xué)習(xí)不努力，結(jié)果沒(méi)通過(guò)考試。

He didn't study hard                     ，he failed the exam.

3. 大量在外地工作的人春節(jié)期間不能 回家。

______  _______  _______  _______  people working in other cities can't go home during the Spring Festival.

2. 他巳經(jīng)逐漸明白保護(hù)環(huán)境的重要性了。
He             the importance of protecting the environment.

1. 盡管在下大雨,他們?nèi)匀粓?jiān)持在外勞作。

       it was raining heavily，they           kept working outside.

 從方框中選出合適的短語(yǔ)并用其適當(dāng)形式填空。

cut down，come into being，die out， blow away, wash away

1. People destroyed the living conditions of animals. So some animals on the earth are      completely.

2. Trees can stop the wind from       the earth.

3. Heavy rain will       the soil soon if there are no trees.

4. A new rule will soon       to solve the problem.

5. We should plant more trees after we       some      

5. They tried to stop the ship from       (go) down.