B:He ____ to to Beijing ____ ____.
句子排序。
(____)A.Mmm, I want to sleep.
(____)B.It's 7 o'clock.Oh! I am late.
(____)C.Wake up,Jim! It's time to get up.
(____)D.Look!What time is it?
研究历史离不开文字资料。下图为河南安阳殷墟博物苑中的甲骨文仿古碑林。该文字反映我国文字可考的历史开始于( )