与水肿发病关系最为密切的脏腑是 （）
A.肺
B.脾
C.心
D.肝
E.肾
参考答案：A, B, E
—I hear you have moved into your new house .Congratulations !
—Thanks. I especially like my study _____ is big and bright.[ ]
A. which
B. who
C. what
D. why
气缸体主轴承孔的同轴度公差一般为（）mm。
A.0.05
B.0.10
C.0.15
D.0.20
