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【单选题】
十二指肠后壁溃疡大出血，如果病人条件允许，最好的术式为A.
高选择性迷走神经切断术
B.
包括溃疡在内的胃大部分切除术
C.
贯穿缝扎出血动脉主干
D.
单纯缝扎出血点
E.
结扎出血点加胃大部分切除术
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【单选题】—I called you at 6 o'clock yesterday evening, but nobody answered. — I'm sorry. I my friend download the movie Kung Fu PandaⅡwhen the telephone rang,
A.
would help
B.
helped
C.
was helping
【单选题】Client: Hello. May I speak to Mr. Turner? Secretary:________
A.
I'm sorry. He's at a meeting now.
B.
I am. Speak, please.
C.
Hello. Who're you, please?
D.
Hello. Thank you for calling.
【单选题】Client: Hello. May I speak to Mr. Turner? Secretary: ______
A.
I'm sorry. He's at a meeting right now.
B.
Speaking, please.
C.
Hello. Who're you, please?
D.
Hello. Thank you for calling.
【单选题】Mary prefers ____ for a walk rather than ____ at home.
A.
to go; staying
B.
going; to stay
C.
to go; stay
D.
going; staying
【单选题】--- What about inviting Mary to our party? --- You’d better not. She prefers to be ____, so far as I know.
A.
tested out
B.
rung up
C.
left alone
D.
turned around
【单选题】下列表述中哪一项不属于分布式数据库的特点? ( )
A.
系统的可靠性高、可用性好
B.
对数据通信的处理使得局部应用的响应速度很慢
C.
系统开销较大，主要花在通信部分．
D.
数据的安全性和保密性较难处理
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