【单选题】急性心肌梗死常见的死亡原因是C.严重心律失常
【简答题】在单处理机系统中,可并行工作的是( )。I.进程与进程 II.处理机与设备III.处理机与通道 IV.设备与设备A. Ⅰ、Ⅱ和Ⅲ B. Ⅰ、Ⅱ和Ⅳ C. Ⅰ和Ⅲ、Ⅳ D. Ⅱ和Ⅲ、Ⅳ
【单选题】—Can we meet tomorrow morning? —Not in the morning, I’m afraid. I ___________.
【单选题】---I’m thinking of the test tomorrow. I’m afraid I can’t pass this time. ---_______! I’m sure you will make it.
【单选题】—Can you lend me some books? — _______ I’ ve no books here.A.I'm afraid not B.l don-
A.
8. —Can you lend me some books? — _______ I’ ve no books here. A.I'm afraid not
【单选题】— Can we meet at 3 o'clock tomorrow afternoon? — That doesn't suit me. I'm afraid I _____. [ ]