搜题请搜索小程序“爱下问搜题”
问题
解答题
计算:
9
-|-3|+(-3)
0
.
答案
原式=3-3+1
=1.
选择题
— What would you like to do this Sunday?
— If it _____ rain, I _____ to Mount Qingyun for a spring field trip.
A. not; will go
B. doesn't, will go
C. won't; will go
查看答案
单项选择题
高压换向器的作用是高压电机的接通、断开和()。
A.换向
B.灭弧
C.接地
D.保护
查看答案