用相位鉴频器鉴频的基本方法是:首先将调频波经频率—相位变换,变为FM-PM波,再通过()还原出原调制信号。
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He is ()to respect his granny. He shouldn’t treat her like that.
A. supposed
B. shocked
C. found
D. seen
费用按其性质可分为生产成本、营业成本和期间费用。
A. 对
B. 错
A:Excuse me,Miss.B:(26)A:Yes,l’d like to get some information about the summer course.B:(27)A:Can you tell me the starting and finishing time of the course,please?B:Yes.The course begins on July 15 and runs until August 20.A:OK,and what courses will we learn?B:There are listening,speaking,reading and writing (28).A:Right,and what time will the classes be had?B:Well,most of them are in the morning.There are only a few classes in the afternoon.A:Do you have a (29)?B:Sorry.1 can’t get a timetable for you.A:That’s OK.And when will the final exams be held?B:(30)A:OK.Well,thank you,Miss. 28()
A. timetable
B. May I help you
C. courses.
D. They will begin on August l6 and run until August 18.
E. How can I help you
科目汇总表核算形式与汇总记账凭证核算形式的适用范围是相同的。
A. 对
B. 错