托盘薄膜缠绕机的二级保养周期是()
A、一周
B、两周
C、一个月
D、两个月
参考答案:C
The teacher stressed again that the students should not _________ any important details while retelling the story.
A.bring out
B.pick out
C.make out
D.leave out
领导体制的核心是______
A.领导机构的建立 B.领导权限的划分C.领导人员的配置 D.领导考核的公平