电路中的基本物理量有()。
A、电流、电压、电动势
B、电动势、电流、电压、电阻
C、电流、电压、电阻
D、电动势、电压、电阻
参考答案:A
根据句意和首字母提示填入所缺单词。
1. His father likes to watch TV in the e_____.
2. The last day of a week is S_____.
3. You need to have b_____ and go to school.
4. I eat breakfast at a_____ 7:30 in the morning.
5. I must do my h_____ before I go to bed.
6. He u_____ runs at 7:00.
7. My mother g_____ up early.
8. Which bus do you want to t_____?
9. It's time for you to brush your t_____.
10. Classes s_____ at 8:00.
依据常用危险化学品分类,下列选项正确的是( )
A.
氢氧化钾
B.
高锰酸钾
C.
红磷
D.
浓硫酸