一个条件传送的输入接口,通常需要( )端口。
A.控制
B.就绪状态
C.忙状态
D.数据输入
E.数据输出
参考答案:A,B,D
28.—Surely you can turn to David for help.
—__________He is the last one you can depend on.
A.I couldn’t agree more.
B.Is that right?
C.Get out of it!
D.It’s up to you.
患者,男性,32岁,暴饮暴食后出现上腹部胀痛。查体:腹肌紧,上腹部压痛阳性,腹部有反跳痛,血淀粉酶600U/L。该患者诊断考虑为()
A.急性胆囊炎
B.急性胃肠炎
C.急性胰腺炎
D.消化性溃疡并穿孔
E.急性阑尾炎并穿孔