使电力MOSFET导通的栅源驱动电压一般取（）V。
A.0-5
B.5-10
C.10-15
D.15-20
参考答案：C
According to the school rules, no student ________ go out of school without the permission of
the teachers. [ ]
A. will
B. must
C. may
D. shall
企业供应管理的工作内容有哪些？
