已知线段A B．延长线段AB至 C．使BC=34AB，反向延长线AB至D，使AD=1

军军今年上七年级了，他特别爱玩电脑游戏，常常为此完不成作业，还发出这样的叹息：“我怎么管不住自己呢！”这主要表明他（   ）

A．情绪不稳定

B．兴趣太广泛

C．缺乏自律，太放任自己

D．不能接受别人的帮助

某人去医院体检，结果发现尿液中出现了血细胞和大分子蛋白质，可能是什么结构出现了病变？

铜合金的收缩率为（）。

A.1%

B.2%

C.0.8%

D.1.5%

The former head of your project office recently fell to his death during a Mount Everest summit attempt. You are the new head of the project office. You are eager to “run the show” because of ongoing confusion in your organization regarding project plans and schedules. Unfortunately, many project managers believe the plan is the schedule. You realize that the plan is much more than a schedule and have decided to issue guidelines concerning items that should compose project plans. Your guidelines state the WBS ______ .

A) does not need to be included in the plan because it would be reflected in the schedule
B) should be included as part of the scope management plan
C) should be developed, but only to the second level
D) should be developed to the level at which control will be exercised

警容风纪，是指人民警察在着装、( )、举止、礼节等方面的行为规范．

A．仪容

B．行为

C．整洁

D．敬礼