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【多选题】
非正式群体可分为（ ）A.
利益型群体
B.
友谊型群体
C.
任务型群体
D.
命令型群体
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皮皮学刷刷变学霸
举一反三
【简答题】Is It always cold ___ this time ___ XI'an?
【简答题】I arrived at the same time ______Tim.
【简答题】简述荆芥炒炭的方法及荆芥炭的作用特点。
【单选题】The places of interest in Xi’an attract my family all the time, and I hope we _____ ourselves this time next year.
A.
are enjoying
B.
are to enjoy
C.
will enjoy
D.
will be enjoying
【单选题】35 The range of time allowed for an activity to be completed in is the _____.
A.
Planned time (Duration).
B.
Float time (LS - ES, or LF - EF).
C.
Critical time (when ES = LS, or EF = LF).
D.
Scheduled time (LF - ES).
E.
Event.
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