残留边带调幅的英文缩写是()
A.SSB
B.DSB
C.VSB
D.MSK
参考答案:C
She sat at her desk, with her eyes ________ on the book, ________ in its plot. [ ]
A. fixing; absorbing
B. fixed; absorbed
C. fixed; absorbing
D. fixing; absorbed
县级以上地方各级人民代表大会会议由谁召集?由谁主持?