微粒子化学发光免疫分析最常用的方法是()
A.捕获法
B.竞争法
C.双抗体夹心法
D.间接免疫法
E.以上都包括
参考答案:C
社会责任感是一个人对祖国、对民族、对人类的繁荣和进步,对他人的生存和发展所承担的职责感和使命感。增强社会责任感是人生修养中( )
A.心理修养的重要内容
B.道德修养的重要内容
C.思想政治修养的重要内容
D.科学文化修养的重要内容
He said that they _____ such an interesting football match before. [ ]
A. have never watched
B. didn't watch
C. had never watched
D. had no watched