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【单选题】
对于任意二事件A和B（）A.
若AB≠ ，则A，B一定独立
B.
若AB≠ ，则A，B有可能独立
C.
若AB= ，则A，B一定独立
D.
若AB= ，则A，B一定不独立
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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。
【单选题】Which of the following shows that a person is NOT dreaming in his sleep?
A.
His eyes begin to move.
B.
His breathing becomes faster.
C.
His heart rate increases.
D.
His eyes stop movin
【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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