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【多选题】
下列关于电磁式轮速传感器的说法正确的是（）。A.
电磁式轮速传感器的结构简单
B.
电磁式轮速传感器成本低
C.
电磁式轮速传感器抗电磁干扰能力差
D.
电磁式轮速传感器抗电磁干扰能力强
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举一反三
【简答题】4 名学生分配到 3个车间去劳动,每个车间必须至少一个人, 共有多少中不同的分配方案 ?
【单选题】听力原文：Broadly speaking, there was a time when books were hand-printed on rare leather by monks. The only people who could read them were priests, who got a regular eyeful of the really cool cartoons th...
A.
正确
B.
错误
【单选题】What were the first books that impressed Russell when he was a child?
A.
History books.
B.
Mathematics books.
C.
Fairy stories.
D.
Adventure stories.
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