下列无线信道类型中,哪种类型为上行传播()?
A.AGCH
B.BCCH
C.RACH
D.CBCH
参考答案:C
Jackie is going to Italy when he finishes ______ the book. [ ]
A. writing
B. to write
C. write
D. wrote
公文的装订是在( )。
A.左侧B.右侧C.正上方D.左上方