问题
单项选择题
电气设备可能被人触及的裸露带电部分应设()。
A、保护罩或遮栏及警示标志
B、警示标志
C、开关
答案
参考答案:A
电气设备可能被人触及的裸露带电部分应设()。
A、保护罩或遮栏及警示标志
B、警示标志
C、开关
参考答案:A
Do you think of your parents? "Yes, of course." You may answer, ¨I buy a present for my mother on .And I give my father a present on Father's Day, .” Then what about the other days of a year? Always to think of your parents, not just on some important days. I have a friend who alone, because her parents live in another city. One day l went to see her. We had a nice chat. Then she wanted to make a .She dialed the number, but then she put the phone . After about ten seconds, she dialed the number again. "Hi, Mum…” Later I asked, "Why did you dial the number ?”she smiled, "My parents are old. They can not get close to the telephone .I always do so when I call them. I just want to give them time to answer the call." My friend is a good girl. She is always her parents. You also want to be a good child, right? So why not learn from her?
|