镜下血尿的诊断标准是每高倍视野下红细胞数()
A.>5个
B.>4个
C.>10个
D.>3个
E.满视野
参考答案:D
We complained to the travel agency about the horrible service during our trip,but no one has________by now.
A.responded
B.deserved
C.recovered
D.survived
下图是体内细胞与内环境的关系示意图。请回答
编号②表示(),③表示(),④表示(),②③④统称为()