When I was a child, I used to____chocolate. [ ]
A. liking
B. like
C. liked
D. likes
答案:B
转K2型转向架下心盘螺栓强度等级为()
A、8级
B、9级
C、10.9级
D、10级
3.5英寸1.44MB软盘的每个扇区的容量是______。
A.128Bytes B.256Bytes C.512Bytes D.1024Bytes