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【单选题】
---Tom, don’t drop litter on the ground, please. --- .A.
That’s a good idea.
B.
It doesn’t matter.
C.
Excuse me.
D.
Sorry, I’ll pick it up.
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举一反三
【单选题】集成运放的输出级通常由( )电路构成,以达到( )功能。
A.
互补对称的功率放大 较高的功率输出
B.
差动放大 抑制零点漂移
C.
多级电压放大 高电压放大倍数
D.
多级电压放大 高功率输出
【单选题】Unlucky events seem to come in threes because ______.
A.
three is an unlucky number in most culture
B.
the mind wants to make connections between events
C.
we don’t notice single unlucky events
D.
we can’t remember more than three connected events
【单选题】For some people, unlucky events are connected because ______.
A.
they are psychologically weaker than other people
B.
they have better memories than other people
C.
they define bad luck differently from other people
D.
the first unlucky event has an effect on them which makes the second event more likely.
【单选题】按照施工方法分类,可将钢筋混凝土楼板分为
A.
现浇钢筋混凝土楼板 、 预制装配式钢筋混凝土楼板 、 装配整体式
B.
梁板式楼板 、 板式楼板
C.
槽形板 、 实心平板 、
D.
空心板、T形板
【单选题】Unlucky events seem to come in threes because
A.
three is an unlucky number in most cultures
B.
the mind wants to make connections between events
C.
we don’t notice single unlucky events
D.
we can’t remember more than three connected events
【单选题】集成运放的输入级通常由( )电路构成,以达到( )功能。
A.
互补对称的功率放大 高放大倍数
B.
差动放大 抑制零点漂移
C.
多级共射放大 高功率输出
D.
互补对称的功率放大 高功率输出
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