A:y=﹣4x
B:y=﹣2x
C:y=4x
D:y=2x
The dictionary is ______: many words have been added to the language since it was published.
“锦绣河山收拾好,万民尽作主人翁。”这说明 ( )
如图某国乡村人口和城市化水平的变化,读图回答下题。