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【单选题】
以下关于液膜的描述哪一项是错误的A.
构成液膜的主要成分可以是有机溶剂也可以是
B.
液膜可以有固相载体支撑也可以没有固相支撑
C.
支撑液膜分为同相迁移和逆向迁移两种
D.
球状液膜比支撑型液膜更稳定
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举一反三
【简答题】What did Bill Gates like to do in college?
【单选题】The report mentioned in the text holds that the scope for further growth of FDI
A.
is to be severely limited.
B.
is to be expanded.
C.
remain uncertain.
D.
diminish gradually.
【单选题】What did Bill Gates do at Harvard University?
A.
He formed the ''Programmers Group'' at Harvard University.
B.
He developed a small computer to measure traffic flow.
C.
He spent many long nights in front of the school’s computer.
D.
He discussed with his classmates about starting a new business.
【单选题】Which of the listed substances can be satisfactorily removed from diesel fuel by centrifuging?
A.
Sludge
B.
Gasoline
C.
Fuel oil
D.
Lube oil
【单选题】What did Bill Gates do at Harvard University?
A.
He developed a small computer to measure traffic now .
B.
He formed the “Programmers Group” at Harvard University .
C.
He spent many long nights in front of the school’s computer .
D.
He discussed with his classmates about starting a new business .
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