(2014·湖南师大附中一模)The first successful space walk in 2013 is an important historica

题干

(2014·湖南师大附中一模)The first successful space walk in 2013 is an important historical________in Chinese history.

A．event	B．matter
C．affair	D．incident

上一题下一题 0.64难度单项选择更新时间:2014-06-19 04:13:20

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