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【单选题】
TCK7F 型电空接触器软连线折损面积不大于原形的( ), 否则更新。
A.
(A) 1/10
B.
(B) 1/5
C.
(C) 1/3
D.
(D) 1/2
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举一反三
【单选题】正态曲线下面积有一定的规律,μ±3σ的面积占总面积的
A.
0.807
B.
0.857
C.
0.987
D.
0.997
E.
0.999
【简答题】We can’t wait. We have to_______ the direction and the distance before we take action. A.make out B.pick out C.think out D.turn out.
【简答题】当建筑物长度超过允许范围时,必须设置 。
【单选题】当建筑物长度超过允许范围时,必须设置( )
A.
防震缝
B.
伸缩缝
C.
沉降缝
D.
分仓缝
【单选题】______ the distance, we spotted the two swimmers with their heads bubbling in the water.
A.
On
B.
In
C.
At
D.
From
【单选题】正态曲线下面积有一定的规律,μ±3σ的面积占总面积的
A.
0.807
B.
0.857
C.
0.987
D.
0.997
E.
0.9990000000000001
【单选题】Which of the following can we learn from the text?
A.
We shouldn't travel long distance.
B.
We should save water
C.
We should often repair our cars.
【单选题】当建筑物长度超过允许范围时,必须设置?
A.
防震缝
B.
伸缩缝
C.
沉降缝
D.
分格缝
【单选题】正态曲线下面积有一定的规律,μ±3σ 面积占总面积的
A.
0.807
B.
0.857
C.
0.987
D.
0.997
E.
0.999
【单选题】If we travel a short distance, we should walk _____ taking a bus. Then we’ll be greener people.
A.
instead of
B.
rather
C.
while
D.
but
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