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问题 填空题

请在下面数值的后面填上适当的单位（填符号）．一只鸡蛋的质量约50______，一个中学生是质量约45______．

答案

一个鸡蛋的质量约几十克，结合数据50，故选单位克（g）．

一名中学生的质量约几十千克，结合数据45，故选单位千克（kg）．

故答案为：g；kg．

单项选择题

青春期生长发育最大特点是

A．体格生长加快

B．神经发育成熟

C．内分泌调节稳定

D．生殖系统迅速发育成熟

E．以上都不是
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单项选择题

At the end of each project, the project team should prepare a lessons learned summary that focuses on all the following EXCEPT

A) sharing best practices with other project teams in the organization
B) warning others of potential problems
C) suggesting methods to mitigate risks effectively to ensure success
D) sharing only positive aspects of the project for future replication elsewhere in the organization
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