题目内容

格林卡根据普希金的同名叙事诗写作的神话歌剧《()》创造了典型的俄罗斯风格。

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矿井排水设备主要由水泵、拖动设备、吸水管、排水管道、管道附件和仪表等组成。

A. 正确
B. 错误

酯交换是指()。其作用是()。当()时为无规酯交换;当()时为定向酯交换。

Deck machinery, which is also known as hull machinery, includes all power driven equipment located ()the machinery spaces that is () with the main propulsion plant.

A. inside;associated
B. inside;not associated
C. outside;associated
D. outside;not associated

患者腰痛以疫软为主,喜按喜揉,腿膝无力,遇劳更甚,卧则减轻。治疗应选用()

A. 牛膝
B. 桃仁
C. 红花
D. 郁金
E. 鸡血藤

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