A：礼乐文明崩坏
B：井田制度瓦解
C：分封制度崩溃
D：铁器牛耕使用
看图，读一读，选择适当句子补全对话。
A. Would you like some milk?
B. We can read books at home.
C. Good idea.
D. How is the weather in winter?
E. Why don't you play football?
某人因为大量出血危及生命,必须输血。此人血型为AB型,他应输（ ）
根据《民族区域自治法》的规定，我国各民族都有发展本民族文化的权利，这一权利体现了（ ）
