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【判断题】
理想微分环节的对数幅频特性曲线是 一条斜率为 20 分贝 / 十倍频程( 20dB/dec )的直线。A.
正确
B.
错误
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举一反三
【单选题】How tiny is one battery part?
A.
Its width is one tenth of a hair．
B.
It equals the width of a hair．
C.
It is as thin as a piece of paper．
D.
Its width is too tiny to measure.
【简答题】png' width='328' height='127'/>
【单选题】In assessing the impact of the loss of a parent through death and divorce it was the distortion of family relationships not the ______ of the bend with the parent in divorce that was vital.
A.
disposition
B.
distinction
C.
distribution
D.
disruption
【单选题】turtle.setup(width, height, startx, starty) 其中width表示什么意思
A.
width：启动窗体的高度
B.
width：启动窗体的宽度
C.
width：启动窗体到屏幕的距离
D.
width：启动窗体到屏幕下方的距离
【简答题】png' width='888' height='1450'/>
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