题目

I am trying to be the kind of boss that the workers will .        A.live up to          B.look up to           C.watch out for        D.put up with 答案：B斐林试剂与下列糖类水浴加热出现砖红色沉淀的是 A．果糖        B．蔗糖         C．淀粉         D．纤维素