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【单选题】
温度升高，二极管的反向特性曲线 。
A.
B.
上移
C.
右移
D.
下移
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【简答题】From far out in space, Earth looks like a blue ball. Since water covers three-fourths of the Earth’s suce, blue is the color we see most. The continents look brown, like small islands floating in t...
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