正弦交流电电流A,其电流的最大值为()A。
A.5
B.10
C.15
D.20
参考答案:B
I’m not sure exactly how much money you’ll receive, but it will ____ cover your major expenses.
A.generally
B.roughly
C.negatively
D.firmly
“活到老学到老”是现代教育( )特点的要求。
A.大众性
B.公平性
C.终身性
D.未来性