皮皮学，免费搜题
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【多选题】
下列检测器中,不宜用于高效液相色谱仪的是( )A.
紫外检测器
B.
氢火焰离子化检测器
C.
荧光检测器
D.
氮磷检测器
E.
示差折光检测器
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】What does the woman mean?
A.
The man has left a good impression on her family.
B.
The man should buy himself a new suit.
C.
The man can dress casually for this occasion.
D.
The man ’ s jeans and T-shirt are stylish.
【单选题】What does the woman say about the two bedroom apartment?
A.
It' s rather expensive.
B.
It' s too small for the man.
C.
It has plenty of tight.
D.
It doesn' t have many closets.
【单选题】What does the woman say about the two-bedroom apartment?
A.
It' s rather expensive.
B.
It' s too small for the man.
C.
It has plenty of light.
D.
It doesn' t have many closets.
【单选题】What does the woman mean?
A.
She has to see the movie.
B.
She is tired.
C.
She doesn't want to see the movie.
【多选题】B2C 电子商务网站的基本组成部分包括( )
A.
为顾客提供在线购物场所的商场网站
B.
信息服务系统
C.
为客户提供网下售后服务系统
D.
负责顾客身份的确认及货款结算的银行及认证系统
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