搜题请搜索小程序“爱下问搜题”
问题
判断题
汽车专用示波器可以显示数字信号但不可以显示模拟信号。
答案
参考答案：
错
改错题
单句改错。
1. You should take money to you.
2. What is the weather there?
3. He plans spending time with his friends.
4. The boy can't wait watch TV.
5. I have nice something to tell you.
______________
______________
______________
______________
______________
查看答案
单项选择题
每天春分点中天的时间比太阳中天的时间（）。
A．推迟约4min
B．推迟约4s
C．提前约4min
D．提前约4s
查看答案
