当8088/8086的S4=0，S3=1时，表示当前正使用( )段寄存器。
A．ES
B．CS
C．DS
D．SS
参考答案：D
—Meng Fei had his arm broken while recording If You Are The One in Beijing.
—Really? Then perhaps he ______________ host TV programs for some time. [ ]
A. needn’t
B. mustn’t
C. shouldn’t
D. can’t
基础性日常自理生活活动不包括（）
A.进食
B.卫生
C.翻身
D.穿衣
E.如厕
