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自什么时候起军粮供应统一使用军用购粮卡，同时取消纸质军用粮票？

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来访者都存在社交焦虑症状，咨询师拟组成一个会心团体。下列有关会心团体的描述正确的是（）。

A. 成员应由背景或问题相似的人组成
B. 参加的人数5人左右
C. 只要有社交焦虑都可参加
D. 活动具体次数根据来访者进展，少则一两次，多则十余次不等
E. 开始即要进入正题以免浪费时间

You have just reinstalled a VIP 6-80 in a Cisco 7500 Series router. What must you do to bring up the port adapter interfaces?（）

All interfaces are online by default once the VIP is up and running normally.
B. All interfaces must be manually brought online, even those previously configured.
C. The previous VIP configuration must be reloaded to bring interfaces online.
D. Any interfaces not previously configured must be manually configured and brought online.

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You have a custom button, with should have a Property "IsActive", one must be able to bind this Property on a class Property.（）

A. Dependency Property
B. INotifyPropertyChanged
C. net Property

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先张法预制梁板时，承力台座应有足够的强度、刚度和稳定性，钢横梁受力后，挠度不能大于（）。

A. 1．0mm
B. 1．2mm
C. 1．5mm
D. 2．0mm

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