单词拼写 。

1. Of all the fruits, the apple is my _____ (最喜爱的).

2. Can you make yourself _____ (听见)in such a low voice?

3. I must (道歉)_____ for calling you so late.

4. He is so_____ (精力充沛)that he never feels tired.

5. Some people are lazy and prefer to live in _____ (穷困).

6. This teacher is very _____ (受欢迎)with his students.

7. He made up a wonderful story to explain his _____ (缺席).

8. Her pale face _____ (表明)that she was not healthy.

9. _____ (八月)comes after July.

10. _____ (就我个人而言),something must be done to prevent air pollution.

城镇燃气输配系统有两种基本方式：一种是管道输配系统，一种是（）。

A、瓶装供应系统

B、调压输配系统

C、储气输配系统

D、压缩天然气供应系统