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【简答题】
充气部由___________、___________两部分组成。
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参考答案:
举一反三
【单选题】耳聋助听器是由三级放大电路构成的,以下哪个电路不在耳聋助听器的原理图中
A.
共射极放大电路
B.
共基极放大电路
C.
射极输出器
【单选题】( )4.-Excuse me.Which is the way to the post office? -Sorry.I am new here. -
A.
I think so.
B.
Bad luck.
C.
That's true.
D.
Thank you all the same.
【单选题】如图所示同步D触发器, D=1, D=1,CP=1,D=1时,触发器的状态为()
A.
不确定
B.
Q=1, =0
C.
Q=1, =0
D.
Q=0, =1
【单选题】"Excuse me. which movie are you waiting for? “The new Star Wars. We ______ here for more than two hours.”
A.
Waited
B.
wait
C.
would be waiting
D.
have been waiting
【单选题】如图所示同步D触发器, D=0, D=1,CP=1,D=1时,触发器的状态为()
A.
保持
B.
Q=1, =0
C.
不确定
D.
Q=0, =1
【单选题】- -Excuse me. Which is the way to the nearest park? ---- You may ask the policeman over there.
A.
.I'm not afraid I can't.
B.
.I' ve no idea.
C.
.I' m afraid I can't.
D.
Of course.
【单选题】-- Excuse me. Which carriage is this? --______________.
A.
This is Platform 8.
B.
This is the ticket office.
C.
This is Carriage No.2.
D.
This is the dinning car.
【单选题】如图所示同步D触发器, D=1, D=0,CP=1,D=1时,触发器的状态为()
A.
保持
B.
Q=0, =1
C.
不确定
D.
Q=1, =0
【单选题】小王和小李的投篮命中率分别为:0.5,0.7,两人同时命中率为0.4,问在一次投篮中至少有一人投中的概率为( )
A.
1.2
B.
0.8
C.
0.6
D.
0.9
【单选题】---Excuse me. Which is the way to the post iffice? --- Sorry. I am new here. --- .
A.
I think so
B.
Bad luck
C.
Thank you all the same
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