组织对缺血的耐受性依次为（）
A.骨骼肌>脑>心肌
B.心肌>脑>骨骼肌
C.脑>心肌>骨骼肌
D.骨骼肌>心肌>脑
E.心肌>骨骼肌>脑
参考答案：D
I think swimming is _____ hiking.[ ]
A. as interesting than
B. as more interesting as
C. as interesting as
D. more interesting as
花盘盘面应平整，表面粗糙度Ra不大于1.6μm。( )
