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【判断题】
先进先出法和后进先出法都是以实际成本作为计算存货成本的依据。( )A.
正确
B.
错误
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举一反三
【单选题】_____ under the oak the next evening I said, "Our first fallacy tonight is called Ad Misericordiam."
A.
Sit
B.
Seated
C.
seating
D.
sat
【简答题】We went to the Knoll, the campus ________ place, and we sat down under an oak.
【单选题】What has Andy left to Red under the big oak tree?
A.
a map
B.
a letter
C.
a postcard
D.
a bank account
【单选题】听力原文：M: It's such a nice warm day. I think I'll go and write my report under the oak tree. W: I'd like to join you but I find it hard to concentrate outside, and I need to finish my paper this afterno...
A.
Go and read under the oak tree with the man.
B.
Go and write the report with the man.
C.
Stay at home and finish writing her report.
D.
Stay at home and finish writing her paper.
【简答题】无源二端网络如图所示。输入端的电压 u=220 cos ( 314t+20 ̊ ) V , 电流 i=220 cos ( 314t - 33 ̊ ) A ,试求此二端网络的由两个元件串联的等效电路的功率因数 cosφ= ,该网络的性质为 。
【简答题】TDD 双工方式相比FDD具有如下优势
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