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【单选题】
下列关于排水系统的表述不正确的是（ ）。A.
生活排水系统分集水坑排水和污水池排水
B.
分集水坑排水与污水池排水监控原理不同
C.
排水系统是由污水池、污水泵、液位传感器等构成
D.
排水系统监控原理与给水系统监控原理相似
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【简答题】听力原文：M: Although I check the machines on the production line regularly, last week one of them broke down and that cause some long delays, especially for the distribution department, I'm told. I had to...
【简答题】下列哪种编码是常用的英文字符编码（ ）。
【多选题】2019年4月25日至27日,第二届“一带一路”峰会在北京召开,下列属于本届“一带一路”峰会中方倡议的是:
A.
《“创新之路”合作倡议》
B.
《廉洁丝绸之路北京倡议》
C.
《共建“一带一路”倡议：进展、贡献与展望》
D.
《“一带一路”债务可持续性分析框架》
【单选题】_______ M/money is important, _____ it doesn’t mean _______.
A.
Although, but, everything
B.
Although, /, everything
C.
/, but, anything
D.
Although, /, anything
【单选题】Although no one is certain why migration occurs, there are several theories. One theory is based upon the premise that prehistoric birds of the northen Hemisphere were forced south during the Ice Age,...
A.
stopped migrating
B.
continued migrating
C.
began migrating again
D.
migrated south and stay there
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