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【判断题】
集成运放具有高可靠性、使用方便、放大性能好的特点A.
正确
B.
错误
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举一反三
【单选题】According to the passage, Which one doesn't belong to direct costs?
A.
office fee
B.
material cost
C.
labor cost
D.
machinery cost
【单选题】物体在直角坐标系xOy所在的平面内由O点开始运动,其沿坐标轴方向的两个分速度随时间变化的图像如图所示,则对该物体运动过程的描述正确的是( )
A.
物体在0~3 s做直线运动
B.
物体在3~4 s做直线运动
C.
物体在3~4 s做曲线运动
D.
物体在0~3 s做变加速运动
【单选题】Which one of the following doesn’t belong to the while-reading stage?
A.
making inferences
B.
understanding references
C.
scanning
D.
information transfer activities
【简答题】While costs belong to a certain _________ .
【单选题】A pair of Li Ning trainers costs about 200 yuan, while a similar pair of Nike costs five times .
A.
that much
B.
so much
C.
as much
D.
very much
【多选题】Which of the following belong to discretionary fixed costs? There may be more than one correct answer.
A.
Insurance costs
B.
Advertising
C.
Depreciation on buildings and equipment
D.
Research and development costs
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