在票据当事人中,接受汇票出票人的付款委托同意承担支付票据义务的人称为()。
A、背书人
B、付款人
C、承兑人
D、保证人
参考答案:C
(2013·福建,30)—Do you think George has passed the driving test?
—No.If so,he ________ his car to our college yesterday.
A.would drive
B.drove
C.would have driven
D.had driven
分析前向功率控制和反向功率控制的异同。