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【单选题】
在图示放大电路中，已知RB1=50kΩ，RB2=10kΩ，RC=2kΩ，RE=500Ω，UCC=12V，三极管β足够大，UBE=0.7V，求三极管静态集电极电流IC( )。
A.
1.5mA
B.
2.6mA
C.
3.0mA
D.
3.2mA
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参考答案：
举一反三
【单选题】I'm very grateful for your help and hope to do something for you _____ in the future.
A.
in exchange
B.
instead
C.
in return
D.
in particular
查看完整题目与答案
【判断题】导游的走姿要给游客一种轻盈稳健的感觉。
A.
正确
B.
错误
查看完整题目与答案
【单选题】导游的走姿要给游客一种( )的感觉。
A.
温文尔雅
B.
轻盈稳健
C.
恭有礼
D.
悠然自得
查看完整题目与答案
【单选题】Speaker A: Yes, can I help you? Speaker B: ______
A.
Thanks. I'm very grateful for your help.
B.
We're just looking. Thanks.
C.
Yeah, can you help me with this experiment?
D.
Yes. Can you tell me how to get to the National Library?
查看完整题目与答案
【单选题】某企业向银行借款500万元,利率为5.4%,银行要求10%的补偿性余额,则该借款的实际利率是( )。(2018年卷I)
A.
6%
B.
5.4%
C.
4.86%
D.
4.91%
查看完整题目与答案
【单选题】I’m very grateful to Professor Smith, without __________ help I would have never have got this far.
A.
who
B.
whose
C.
whom
D.
which
查看完整题目与答案
【单选题】国家平面三角网分为几个等级
A.
2
B.
3
C.
4
D.
5
查看完整题目与答案
【单选题】I'm very grateful for your help and hope that some day I will be able to do something for you________. [     ]
A.
in exchange
B.
in turn
C.
in return
D.
in particular
查看完整题目与答案
【单选题】• 导游的走姿要给游客一种( )的感觉。
A.
• A 温文尔雅
B.
B 轻盈 稳健
C.
C 谦恭有 礼
D.
D 轻快 敏捷
查看完整题目与答案
【单选题】I’m very grateful to my high school teachers, without ______ help I wouldn’t be so excellent.
A.
whom
B.
their
C.
which
D.
whose
查看完整题目与答案
相关题目：
【单选题】I'm very grateful for your help and hope to do something for you _____ in the future.
A.
in exchange
B.
instead
C.
in return
D.
in particular
查看完整题目与答案
【判断题】导游的走姿要给游客一种轻盈稳健的感觉。
A.
正确
B.
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查看完整题目与答案
【单选题】导游的走姿要给游客一种( )的感觉。
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温文尔雅
B.
轻盈稳健
C.
恭有礼
D.
悠然自得
查看完整题目与答案
【单选题】Speaker A: Yes, can I help you? Speaker B: ______
A.
Thanks. I'm very grateful for your help.
B.
We're just looking. Thanks.
C.
Yeah, can you help me with this experiment?
D.
Yes. Can you tell me how to get to the National Library?
查看完整题目与答案
【单选题】某企业向银行借款500万元,利率为5.4%,银行要求10%的补偿性余额,则该借款的实际利率是( )。(2018年卷I)
A.
6%
B.
5.4%
C.
4.86%
D.
4.91%
查看完整题目与答案
【单选题】I’m very grateful to Professor Smith, without __________ help I would have never have got this far.
A.
who
B.
whose
C.
whom
D.
which
查看完整题目与答案
【单选题】国家平面三角网分为几个等级
A.
2
B.
3
C.
4
D.
5
查看完整题目与答案
【单选题】I'm very grateful for your help and hope that some day I will be able to do something for you________. [     ]
A.
in exchange
B.
in turn
C.
in return
D.
in particular
查看完整题目与答案
【单选题】• 导游的走姿要给游客一种( )的感觉。
A.
• A 温文尔雅
B.
B 轻盈 稳健
C.
C 谦恭有 礼
D.
D 轻快 敏捷
查看完整题目与答案
【单选题】I’m very grateful to my high school teachers, without ______ help I wouldn’t be so excellent.
A.
whom
B.
their
C.
which
D.
whose
查看完整题目与答案
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