“胸有成竹”的典故和下列哪位画家相关（）。
A.米芾
B.文同
C.赵诘
D.王维
参考答案：B
In developing a plan of care for a client with rheumatoid arthritis, the nurse should consider that clients with rheumatoid arthritis should be positioned so as to
A. prevent flexion deformities of the joints.B. decrease edema around the joints.C. promote maximum comfort.D. prevent venous stasis.
罗老师要用1000元钱为学校买体育用品，他先花227.5元买了5个足球，并准备用剩下的钱买一些篮球，每个篮球30.9元．
（1）每个足球多少元？
（2）罗老师还可以买多少个篮球？
