扫描仪中，“照片”扫描类型适用于（）
参考答案：扫描彩色照片
Only after a baby seal is pushed into the sea by its mother ___ to swim.
A．how will it learn
B．it will learn how
C．will it learn how
D．and it will learn how
《国民体质测定标准》是何时颁布实施的？
