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【简答题】
在共射、共集和共基三种放大电路组态中,希望电压放大倍数大、输出电压与输入电压反相,可选用 组态;希望输入电阻大、输出电压与输入电压同相,可选用 组态。
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【单选题】The girl told her mother that she would give her a call______ her arrival.
A.
upon
B.
at
C.
with
D.
in
【简答题】It was Mother's Day,but the young mother was a little unhappy,because she was 800 miles away from her parents.In the morning she phoned her mother to wish her a happy Mother's Day,and her mother told ...
【多选题】在有月初在产品定额变动差异时，产品实际成本主要受到以下哪些因素的影响（ ）。
A.
现行定额计算的产品定额成本
B.
脱离现行定额的差异
C.
原材料或半成品成本差异
D.
月初在产品定额变动差异
【简答题】视频片段中用来区分帧的时间标记叫做( )。通过它可准确定位视频片段中的每一帧并度量一个视频片段的持续时间。
【判断题】When the writer told her mother that she was going to get married, her mother felt very sad.
A.
正确
B.
错误
【单选题】"She told her mother that she was wrong." has a mistake of ___.
A.
faulty parallel construction
B.
dangling modifer
C.
pronouns with ambiguous reference
D.
miplaced modifer
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