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问题 选择题

40年前的《人民日报》曾头版头条报道了美国总统尼克松访华的重大事件（如下图），尼克松此行的重要成果是

[ ]

A．帮助中国重返联合国        

B．促成乒乓外交

C．发表联合公报              

D．倡导和平共处五项原则

答案

答案：C

选择题

— How much do you know about the 3D film technology?

— A little. Not until ________ the hot movie Avatar ________ some about it.

A．did I see; did I begin to learn

B．I saw; I began to learn

C．I saw; did I begin to learn

D．did I see; I began to learn
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单项选择题 A1型题

睑内翻最严重的并发症是

A．畏光、流泪

B．持续性异物感

C．倒睫

D．角膜溃疡
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