供软盘驱动器定位确定所需的读写位置是读写窗口。( )
A. 对
B. 错
大环内酯类抗生素()
A. 环磷酰胺
B. 硫唑嘌呤
C. 甲氨蝶呤
D. 他克莫司
E. 霉酚酸酯
The only popular belief that Professor McKay is unable to provide evidence against is _______.
A. old-age sickness.
B. loose family ties.
C. poor mental abilities.
D. difficulties in maths.
软盘插入软盘驱动器后,驱动器的读写就是通过读写窗口存取信息。( )
A. 对
B. 错