皮皮学，免费搜题
登录
搜题
【多选题】
原子吸收光谱分析的干扰主要来自于( )。A.
原子化器
B.
光源
C.
基本效应
D.
组分之间的化学作用
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】They are said______each other long time before they met in Harvard University where they worked together on a research project.
A.
to know
B.
to have known
C.
knowing
D.
having known
【简答题】Recently I paid a visit to Harvard University, where there are top class scientists and professors and the best academic system in the world. I was pretty shocked when I first stepped onto the campus....
相关题目：