8086采用了地址线与数据线分时复用方式，与此方式有关的控制信号( )。
A．DEN
B．ALE
C．DT/R
D．HLDA
参考答案：B
将下列对话重新排列。
1. That's all right.
2. Don't worry. Here's a long one for you.
3. Thank you, mum.
4. Try these new shoes on.
5. And my shoes are too old.
6. Mum, my dress is too short.
PSS患者的抗心脂抗体的阳性率为（）
A.50％
B.10％
C.40％
D.30％
E.20％
