血氧含量与下列哪一项有关()。
A.血红蛋白含量
B.血氧分压
C.血氧二氧化碳分压
D.A和B
E.A和B和C
参考答案:D
— I can’t go with you today. There will be a test tomorrow. — ______. Maybe next time.
A.It doesn’t matter
B.My pleasure
C.I don’t think so
D.Sorry to hear that
常量分析法适用于()水样的测定
A.原水
B.除盐水
C.凝结水
D.饱和蒸汽