问题
多项选择题
造成漏电断路器动作的原因有:()
A.漏电
B.短路
C.过流
D.电断路器损坏
答案
参考答案:A, B, C, D
造成漏电断路器动作的原因有:()
A.漏电
B.短路
C.过流
D.电断路器损坏
参考答案:A, B, C, D
选择恰当的词,并用其正确形式填空。 | |
subjects there in order toget a good job 2 leaving school. Others don't go to school. They 3 go to learn a skill and then they 4 make a living. School education is important (重要的). But 5 one can learn everything from school. A teacher can't teach his students 6 The teacher should let students get knowledge and 7 students how to learn. The teacher 8 to teach them how to read and how to 9 So the- students themselves learn 10 more outside (在……外面) the school. |