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【单选题】
清除表面破坏的混凝土可采用爆破,在底面清除边线以上50-100cm范围内,采用( )爆破,并用火雷管起爆。
A.
松动
B.
龟裂
C.
浅松动
D.
深
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【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
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【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.
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【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
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80.7%
B.
85.7%
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D.
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【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
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B.
62.8%
C.
95%
D.
95.5% .
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99.7%
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【单选题】______ the distance, we spotted the two swimmers with their heads bubbling in the water.
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On
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【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
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【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.
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【简答题】1During the First World War, some Americans indirectly benefited because of the war. With two million white men fighting in Europe and no new immigrants entering the country, many jobs in the United S...
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【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
查看完整题目与答案
【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
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while
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but
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【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
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B.
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【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.
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【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
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【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
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查看完整题目与答案
【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.
查看完整题目与答案
【简答题】1During the First World War, some Americans indirectly benefited because of the war. With two million white men fighting in Europe and no new immigrants entering the country, many jobs in the United S...
查看完整题目与答案
【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
查看完整题目与答案
【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
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but
查看完整题目与答案