A.considerable
B.preferable
C.available
D.Possible
A.Thin Layer Chromatography
B.Gas Chromatography
C.High performance Liquid Chronmtograpny
D.Infrared Spectrometry
E.Ultraviolet Specyrometry
高效液相色谱法
A.people,performance,payoff,product
B.people,product,performance,process
C.people,product,process,project
D.people,process,payoff,product
A.langue
B.competence
C.parole
D.performance
A.version
B.pace
C.evolution
D.system
A.$8,400
B.$48,000
C.$6,000
D.$50,400
A.is visible
B.is available
C.goes wrong
D.messes around