题目内容

无限长均匀载流圆柱形导体内的磁场B大小随半径增大而增大。（）

A. 对
B. 错

查看答案

搜索结果不匹配？点我反馈

更多问题

Theyjoined a wholesale company together just after graduation____college last year.

A. from
B. for
C. with
D. in

Perhaps you will change your mind and ____your resignation.

A. go back
B. take back
C. pay back
D. come back

sell 的名词是____？

A. sellion
B. sold
C. sale
D. sells

promote的名词是____？

A. promotment
B. promoteness
C. promoting
D. promotion