支队级单位机关年度思想政治教育时间不少于()天。
A.12
B.24
C.42
D.54
参考答案:B
The program designed by this director always begins________a pop song and ends with
audience laughing all the way.[ ]
A.to
B.by
C.as
D.with
零件的机械加工结构工艺性