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【多选题】
高效液相色谱法检查地西泮中有关物质,下列选项中与该检查内容有是( )。A.
采用高效液相色谱法检查
B.
主成分自身对照法
C.
甲醇-流动性
D.
十八烷基硅烷键合硅胶
E.
荧光检测器
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举一反三
【单选题】Every habitat in the world, from volcano tops to icebergs, can support some sort of life.
A.
country
B.
environment
C.
food source
D.
practice
【单选题】Every habitat in the world from volcano tops to icebergs can support some sort of life.
A.
Country
B.
Environment
C.
Food source
D.
Practice
【简答题】语法填空Animals can become enered for a number of reasons,but many experts believe that loss of habitat is the main cause.Some animals are put 1. ____er when people take over their habitats.This o...
【单选题】Every habitat in the world, from volcano tops to icebergs, can support some sort of life. Habitat means _______
A.
country
B.
environment
C.
food source
D.
practice
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