血尿是指尿离心沉淀后镜检每高倍视野红细胞（）。
A.1～2个
B.2个
C.3个以上
D.5个
E.10个以上
参考答案：C
属于酸性氨基酸的是
A．谷氨酸B．丝氨酸C．酪氨酸D．赖氨酸E．苏氨酸
26. Word has come ______ the Chinese football team has failed again, _______ makes many football fans frustrated.
A．that; that
B．what; what
C．which; that
D．that; which
