皮皮学，免费搜题
登录
搜题
【多选题】
样品前处理常用的提取方法有()A.
压榨法
B.
升华法
C.
超临界流体提取法
D.
水蒸气蒸馏法
E.
溶剂提取法
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】- Did you remember to give Mary the money you owed her? -Yes. I gave it to her ________ I saw her. A. while B. the moment C. suddenly D. once
【简答题】Did you remember (cash) ______ a cheque for Mr. Walter last Friday?
【简答题】按照“两优取其重，两劣取其轻”原则进行分工的思想是（ ）理论
【单选题】-Did you remember to give Mary the money you borrowed from her last week? -Yes,l gave it to her I saw her. [ ]
A.
while
B.
the moment
C.
suddenly
D.
once
【单选题】听力原文：M：Did you remember to bring the book you promised me? I'm in urgent need of it today． W：I'm sorry．It completely slipped my mind．I'll bring it tomorrow． Q：Why does the woman apologize? (17)
A.
Because she has lost the book.
B.
Because she has brought the wrong book.
C.
Because she has forgotten to bring the book.
D.
Because she has lent the book to someone else.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
