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从科学转化为技术的角度理解,科学的起源可以追溯到13世纪。()

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Most marine biological sewage treatment plants consist of all the following statements except ______.

A. aeration(通风) tanks
B. settling tanks
C. disinfection agent(消毒剂)
D. anaerobic bacteria(厌氧菌)

德语中,任何有系统的知识都可以被称为科学(Wissenschaft)。()

The fuel oil supply system to an automatic auxiliary boiler, will automatically shutdown if the boiler ______.

A. steam demand is high
B. salinity is high
C. safety valve simmers(爆发)
D. burner flame is extinguished

中国对于科学的误解导致中国人普遍认为科学家应该是能够提供强大生产力的。()