提高医疗质量的物质基础是()
A.医疗技术
B.医疗设备
C.规章制度
D.经济效益
E.医德医风
参考答案:B
Bears ______ fat stores throughout the summer and fall to have energy enough to last them through winter sleep.
A.build up
B.pack up
C.bring up
D.take up
为什么要办好人民满意的教育?