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【单选题】
若x服从以μ, σ2为均数和方差的正态分布,则X的第95百分数即A.
μ-1.64σ
B.
μ-1.96σ
C.
μ+1.96σ
D.
μ+1.64σ
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【简答题】阅读下面短文，掌握其大意，然后从36—55各题所给的四个选项（A、B、C、D）中，选出最佳选项。 The Orkney Islands are about 14 kilometres from the north coast of Scotland. They are mostly low-lying, except for Hoy which has the highest sea cliff(...
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【单选题】—Linda, I called you this morning, but nobody answered the phone. —I'm sorry. I football with my friends then.
A.
play
B.
played
C.
am playing
D.
was playing
【单选题】千方百计地使自己有别于竞争者，凸现和形成鲜明的个性和特色，以创造和提升企业竞争优势的战略，这种战略称为
A.
总成本领先战略
B.
差异化战略
C.
集中化战略
D.
无差异战略
【单选题】14-55. Which of the following sentences indicates POSSIBILITY?
A.
The moon cannot always be at the full.
B.
You cannot smoke inside the building.
C.
He cannot come today.
D.
She cannot play the piano.
【简答题】Hema Co makes plastic bottle for drink industries. One of its most popular products is the Hema. The standard amount of plastic per chair is 0.2 kg and the standard cost per kg is $55. Budgeted produc...
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