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【判断题】
杂质半导体由于摻了杂质,纯度不够所以导电性更差。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】听力原文：Man: Sue, could you change my flight reservation for me? I've got an appointment in the morning so I won't be able to leave until after midday. Woman: Yes, of course. What about the 1.15 flight? ...
A.
B.
C.
【单选题】听力原文：M: Sue, could you change my flight reservation for me? I've got an appointment in the morning so I won't be able to leave until after midday. W: Yes, of course. What about the 1:15 flight? You'll...
A.
B.
【单选题】没有什么比水让我更害怕了。
A.
Nothing scares me as much as water.
B.
Nothing scare mine as much as water.
C.
Anything scares me as much as water.
D.
Something scares me as much as water.
【简答题】没有什么比水让我更害怕了。
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