一、根据汉语或首字母提示完成单词。
1. — Have you drunk all the milk?
— Yes. Look, the bottle is e________ now.
2. Daniel and I did a ________（调查）on students' daily habits.
3. We have found ________（石油）under the North Sea.
4. She has ________（形成）the habit of going to bed early and getting up early.

1. empty 2. survey 3. oil 4. formed

二、从方框中选择恰当的单词或短语并用其正确形式填空，其中有一个单词或短语是多余的。

1. These bottles will ____________ by the company next week.
2. If you answer the question ____________, you will lose a point.
3. Taking too much exercise after meals ____________ your health.
4. Ben has finished the project on reusing ____________ resources.
5. Don't reach sideways when ____________ on a ladder(梯子).

1. be recycled 2. carelessly 3. is harmful to 4. natural 5. standing

1. Without enough trees, soil won't be kept ______. And then sandstorms may happen.
A. in place B. in the place C. on place D. on the place

1~4. ACBB

2. If there is ______ pollution, the air in our city will be ______ cleaner.
A. less; more B. more; much C. less; much D. more; more

1~4. ACBB

3. I made up my mind that I would try my best ______ it well.
A. doing B. to do C. do D. to doing

1~4. ACBB

4. — Do you have any new findings in the report?
— Yes, we do. We have ______ 10,000 people, and 90％ of them would like to buy our new products.
A. chosen B. surveyed C. examined D. listed

1~4. ACBB

四、根据汉语意思完成句子。
1. 大多数学生记得离开教室的时候关灯。
______________________________ the lights when they leave the classroom.
2. 每年街道的两旁会种植成千上万的树木。
____________ trees are planted ____________ the street each year.
3. 为了保持健康，我们应该步行而不是开车去超市。
____________, we should walk ____________ the supermarket.
4. 丹顶鹤的数量正变得越来越少。
____________ the red-crowned cranes is becoming ____________.
5. 我们是时候采取适当的行动来保护环境了。（It's time for sb. to do sth. ）
______________________________

1. Most students remember to turn off
2. Thousands of; on both sides of
3. To keep healthy/fit; instead of driving to
4. The number of; smaller and smaller
5. It's time for us to take proper action to protect the environment.