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【判断题】
拆除与易燃、易爆或有毒、有害介质有关的大型静置设备、设施时,应严格按现场环境设立专门的安全防护设施。()
A.
正确
B.
错误
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举一反三
【多选题】严谨治学的意义()
A.
是一切学术活动的内在逻辑
B.
是培养人才的要求
C.
是社会发展的需要
D.
是提高教师素质所必需
E.
是不断提高教育质量所必需
【多选题】Why is ATP-driven Na + or H + important?
A.
In the plasma membrane of an animal cell, an ATP-driven Na + pump transports Na + out of the cell against its electrochemical gradient; this Na + can then flow back into the cell, down its electrochemical gradient, through various Na + gradient-driven pumps.
B.
The influx of Na + through these gradientdriven pumps provides the energy for the active transport of many other substances into the cell against their electrochemical gradients. If the ATP-driven Na + pump ceased operating, the Na + gradient would soon run down, and transport through Na + gradient-driven pumps would come to a halt.
C.
For this reason, the ATP-driven Na + pump has a central role in the active transport of small molecules across the plasma membrane of animal cells.
D.
Plant cells, fungi, and many bacteria use ATP-driven H + pumps in an analogous way: in pumping H + out of the cell, these proteins create an electrochemical gradient of H+ across the plasma membrane that is subsequently harnessed for solute transport.
【单选题】The various pumps and lines are _____ to some extent so that each pump can act as an alternative for another.
A.
interlocked
B.
interconnected
C.
interfered
D.
interacted
【单选题】学术的内在意义是:
A.
不学无术
B.
术有专攻
C.
致用之术
D.
至理之术
【判断题】广义的文化是指语言、文学、艺术及一切意识形态在内的精神产品。
A.
正确
B.
错误
【单选题】表征某工程项目引进工程其他建设费用的预算表格是( )
A.
(表四)甲
B.
(表五)甲
C.
(表五)乙
D.
(表四)乙
【单选题】山 衔 落日浸寒漪。
A.
xián
B.
jiē
【判断题】广义的品牌文化指的是语言、文学、艺术及一切意识形态在内的精神产品。
A.
正确
B.
错误
【判断题】判断题:科研论文中阐述的内容,通常是某个专业领域中在理论或实验方面具有创新意义和学术价值的知识。因此,科研论文具 有很强的专业性。
A.
正确
B.
错误
【简答题】表征某工程项目 ,反映引进工程其他建设费用的预算表格是 。
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