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【单选题】
以下程序的正确运行结果是( )。 #include void fun(char c) { if(c>'x') fun(c-1); printf ("%c",c); } void main() { fun('z'); }
A.
xyz
B.
wxyz
C.
zyxw
D.
zyx
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举一反三
【单选题】— What happened to you just now, Daisy? — My key was missing. I had to ______ the door open. [     ]
A.
leave
B.
keep
C.
break
D.
force
【判断题】若以某顶点开始,对有n个顶点的有向图G进行深度优先遍历,所得的遍历序列唯一,则可以断定其边数为n-1。
A.
正确
B.
错误
【单选题】. ------ The door was open. ----- It ___________open. I had locked it myself and the key was in my pocket.
A.
can’t be
B.
mustn’t be
C.
can’t have been
D.
mustn’t have been
【简答题】中国的和平发展道路,是一条统筹()和对外开放的发展道路。
【单选题】诊断膀胱癌最直接、可靠的检查是
A.
静脉肾盂造影
B.
肾动脉造影
C.
X线检查
D.
B超检查
E.
膀胱镜检查
【单选题】When I got home, I found the door open. A.terrible thought me—had anyone broken. A.beat              
B.
knocked       
C.
struck        
D.
appeared
【单选题】"The door was open." "It ______ open. I had locked it myself and the key was in my pocket."
A.
can't be
B.
mustn't
C.
can't have been
D.
mustn't have been
【单选题】—What happened to you just now, Daisy? —My key was missing. I had to _____ the door open. [     ]
A.
force
B.
keep
C.
break
D.
leave
【单选题】引起肺心病的原发病很多,但其共同的发病环节是:
A.
肺气肿
B.
细小支气管阻塞
C.
肺动脉高压
D.
肺内纤维组织增生
E.
肺小动脉壁通透性增高
【单选题】The door open. I had locked it myself and the key was in my pocket.
A.
won’t be
B.
can’t have been
C.
mustn’t be
D.
needn’t have been
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