CO2在血液的运输的主要形式是()
A.物理溶解
B.氧合血红蛋白
C.碳酸氢钠
D.氨基甲酸血红蛋白
E.碳酸
参考答案:C
It is thirty years since my father ______ in love with oil painting so that he is a famous painter now. [ ]
A. was
B. fell
C. enjoyed
D. loved
卫生服务营销体系的组成:卫生服务人员、卫生服务设施和()、()、()。