题目内容
17. 对我们重要
18. 在工作中
17. be important to us 18. at work
3. Oceans about 75% of the Earth.(cover；make)
4. A bath uses about as much water as a shower.(two；twice )
38. They did the (实验) in the classroom yesterday.
39. Fanners shouldn’t use too many (化学品) .They are not good for us.
3. 规则
4. 任何人
7. 连接到
8. 像水一样
3. —Who helped Li Lei with his English?
— ,he learnt it by himself.
A. Anybody B. Somebody C. Nobody D. Everybody
5. —Must I do my homework now,Mum?
— .You can do it tomorrow.
A. No,you needn’t B. No,you mustn’t
C. Yes,you need D. Yes,you must
5. 我们需要太阳能。
We need .
2. 请按时吃药。
Please the medicine .
