化学清洗法一般来说清洗时间约在()小时左右,即可达到清洗的目的。
A、5
B、15
C、24
D、48
参考答案:C
We all joined the game______ Bill because he was hurt and had to stay in bed.
A.except that
B.apart from
C.besides
D.in addition
年鉴的特点不包括()。
A.资料性
B.预见性
C.时限性和连续性
D.新颖性