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【单选题】
正确认识和处理改革开放前后的社会主义实践探索的关系，不只是一个历史问题，更主要的是一个()。A.
政治问题
B.
学术问题
C.
理论问题
D.
实践问题
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举一反三
【单选题】To save a life, Al software must be able to
A.
descend in the water.
B.
videotape every movement.
C.
distinguish between a swimmer and a shadow.
D.
save a life within a few months.
【简答题】交通仿真所需的静态交通数据主要是( )及其( )数据。
【单选题】U. S. Life Expectancy Hits New High Life expectancy rates in the United States are at an all- time high, with people born in 2005 projected to live for nearly 78 years, a new federal study finds. The ...
A.
moved up and down.
B.
been declining.
C.
remained steady.
D.
been on the rise.
【单选题】Nancy Green lives _______, but she never feels _______. [ ]
A.
lonely; alone
B.
alone; alone
C.
lonely; lonely
D.
alone; lonely
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