—What time is it ? —It’s ______ 7:00. We often have breakfast ____7:00
A:at, at
B:/, at
C:at, /
方程3x-2=2的解是____ .
如图是消化系统部分组成器官的示意图,其中属于消化腺的有1和5,请据图回答问题: