读下图a、b、c分别表示0~14岁、15~64岁、65岁及以上三种年龄人数占总人口的比重,据此回答问题。图中①、②、③、④四个国家中,老龄化问题最严重的是( )
图中②国0~14岁年龄人数所占总人口比重大小及应采取的相应正确措施是( )
All of us still remember the terrible earthquake that Tangshan twenty years ago.
The College Entrance Examination near, so you should be prepared for it.
— What is that building? — _____ the garden equipment is stored.
— Is he said ____ his car lost? — Yes. He was so foolish ____ leave his car ____.
Whether we’ll hold the sports meet depends on the weather, _____?