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问题 单项选择题

B787机型11人制乘务员服务职责由（）负责核对、保管、交接业务袋，包括：舱单、货单、总申报单（包括机组名单和旅客名单）。

A.CF1

B.PS2

C.SS3

答案

参考答案：A

单项选择题

For many years, the principle goal of computer (73) was to write short pieces of code that would execute quickly. The (74) needed to be small, because memory was expensive, and it needed to be fast, because processing power was also expensive.

A．users

B．programmers

C．that

D．program
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单项选择题

以下哪项不是肾小管性蛋白尿的常见病

A．间质性肾炎

B．急性肾盂肾炎

C．肾小球肾炎

D．药物中毒

E．重金属中毒
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