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【简答题】
测量直流电压时,为什么先要把耦合方式选择接地并把扫描线归零,然后再把耦合方式选择直流进行测量?
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举一反三
【单选题】Staring into his eyes, I could see a _______ look in his eyes.
A.
puzzle
B.
puzzling
C.
puzzled
D.
puzzley
【简答题】简述用canvas绘制一条直线。
【单选题】At the computer operation test, one is supposed to stay at his own machine, keep his eyes on his screen, ______ to anyone.
A.
and not to speak
B.
but could not speak
C.
instead of speaking
D.
or rather speak
【简答题】Canvas绘制直线
【单选题】Suddenly an idea his mind,so his voice became more determined and his eyes more .A．flashed into;f
A.
Suddenly an idea ____his mind,so his voice became more determined and his eyes more____. A．flashed into;flashed
B.
flashed into;flashing
C.
flashed;flashed
D.
flash into;flashing
【简答题】使用canvas绘制直角三角形,如下图所示。
【简答题】句型转换。 例: His eyes are brown. → He has brown eyes. 1. Her hair is red. . 2. His eyes are green. ______________. 3. Jack's legs are short. ______________. 4. Jenny's arms are long. ______________. 5. Da...
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