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【简答题】
测得三极管各对地电压分别为 U C =0.4V,U B =1.0V,U E =0.3V,则此三极管工作于( ) 状态。
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举一反三
【单选题】In all, 57 such trains are expected to be in ____ commercial operation by _____ end of 2009.A．t
A.
112. In all, 57 such trains are expected to be in ____ commercial operation by _____ end of 2009. A．the; the
B.
a; a
C.
/; the
D.
a; the
【单选题】某旅游团乘机抵达杭州,入住饭店后,有位游客发现行李严重破损,于是向导游人员反应,此刻导游人员首先应该( )。
A.
询问机场
B.
询问领队
C.
询问所住饭店行李部门
D.
询问旅游团其他成员
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【简答题】从方框中选出最佳答案完成对话。 A. The weather will be fine. B. They are very nice, really? C. Why not? D. It will be very interesting. E. You may always sleep on it. Friend: Let's go to a baseball match tomorrow. 1 ...
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