题目内容

磁通密度的国际制单位是()。

A. Wb
B. T
C. Gs
D. Mx

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【C14】

A. concentrated
B. involved
C. restrained
D. restricted

【C18】

A. number
B. amount
C. quantity
D. account

【C15】

A. specialty
B. power
C. proportion
D. place

【C20】

As for
B. As to
C. According to
D. As regards

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