类风湿关节的护理措施重要的是（）。
A.休息
B.保持健存关节功能
C.限制活动
D.抬高头部
E.抬高膝部
参考答案：B
-How can I paint __________ you?
-You'd better practice more, I think.[ ]
A. as good as
B. more than
C. as well as
刮刀钻头适用于高转速，高钻压钻进。
