防爆检查工应熟悉本专业的工作范围内的()
A、电气设备种类
B、电气设备数量
C、电气设备性能
D、电气设备分布
参考答案:C
根据句意及首字母或汉语提示完成单词。
1. There are some new a ____ in the zoo. Let's go and see them.
2. Tom is a l____ boy. He doesn't do the housework at home.
3. My mother usually s____ at ten o'clock at night.
4. I like listening to music ____ (在……期间) the night.
5. There is a ____ (美丽的) garden in our school.
下列反应中无配合物生成的是
A.铝与氢氧化钠反应
B.向氯化铝溶液中加入过量氨水
C.含氟牙膏中加入氯化铝并不断充分搅拌
D.向硫酸铜溶液中通入过量氨气