根据句意及首字母提示写单词。

1. My family has one s______ so I can take a shower every day.

2. They eat b ______ at six thirty in the morning.

3. He does a good j______ in his class.

4. What time do you g______ up in the morning?

5. My father u ______ goes to work7o'clock in the morning.

6. Her best friend goes to another city on business(出差), so she has to live in  a h______

7. A______ school, we will do a lot of home-work.

8. She w______ the early morning news on TV.

9. I often go h ______ at 4:30 in the after-noon.

10. They t______ the No.8 bus to school every day.

标定滴定液的基准物质

盐酸滴定液

A．氯化钠
B．氧化锌
C．无水碳酸钠
D．邻苯二甲酸氢钾