问题
单项选择题
若电路中的电流增大到熔丝的额定值时，熔丝将（）.
A.立即熔断
B.1小时内熔断
C.不会熔断
D.2小时内熔断
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
若电路中的电流增大到熔丝的额定值时，熔丝将（）.
A.立即熔断
B.1小时内熔断
C.不会熔断
D.2小时内熔断
参考答案：C
| 选择方框中的句子完成对话，其中有两项多余。 | |
| A: Hi, Li Lei, where are you going to spend your winter holiday this year? B: 1______ A: How are you going to get there? B: We are going there by plane. A: 2______ B: Next Monday. A: 3______ B: Thanks. What about you? A: 4______ I'd like to go back to see those villagers. I miss them very much. B: 5______ I think you must have a good time in your hometown.
|