中度营养不良时小儿体重低于正常均值的( )
A．40%以上B．25%～40%C．15%～25%D．10%～15%E．10%
参考答案：B
A． Prompt delivery of the goods before Christmas is the most important.
B．Top priority should be given to the competitive and reasonable price of the goods
C．During Christmas, there will be a shopping craze for goods with good quality.
D． Nothing is more important than the quality and price of the goods for Christmas
进行人力资源开发和培训需要具备的知识技能是（）。
A.学习心理学
B.教学管理
C.课程教育管理
D.自然科学
