在分光光度法中,运用朗伯-比尔定律进行定量分析,应采用()作为入射光。
A、白光;
B、单色光;
C、可见光;
D、紫外光。
参考答案:B
一Would you mind me keeping the book for another two weeks?
—__________.I have finished it anyway.
A.It depends
B.You’re welcome
C.No problem
D.Yes, please.
伴有的合并症是
A.心力衰竭
B.呼吸衰竭
C.中毒性脑病
D.脓气胸
E.上气道梗阻