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【多选题】
在三种基本放大电路中输入电压与输出电压同相的电路是A.
共射电路
B.
共基电路
C.
共集电路
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反馈参考答案：
举一反三
【简答题】When
do the passengers should pull the emergency brake?
【单选题】What should the passengers do?
A.
Wait for further notice in the exit of the lounge.
B.
Collect their baggage and go to the front exit of the lounge.
C.
collect their baggage and go to the rear exit of the lounge.
【简答题】激动α、β受体的药物有______和______，主要作朋于α受体的拟肾上腺 素药有______和______，主要激动β受体的药物有______等。
【简答题】乘客不应该做任何 分散驾驶员注意力的事 。 Passengers should do nothing to_____________________.
【单选题】What should the passengers do?
A.
Asking for refund
B.
Contact the information counter
C.
Stay at the airport
D.
Call the manager
【单选题】In order not to hold up the flight, passengers should do the following EXCEPT_________.
A.
put away the luggage quickly
B.
oversize the carry-on
C.
make room for other passengers to place the luggage
D.
get out of the aisles as quickly as possible
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