A.has made people feel younger |
B.has changed people’s social position |
C.has changed people’s understanding of age |
D.has slowed down the country’s social development |
A.a society | B.America |
C.a place | D.population |
A.be active when they are old |
B.do the right thing at the right age |
C.show respect to their parents young or old |
D.take more physical exercises suitable to their age |
A.normal | B.wonderful |
C.unbelievable | D.unreasonable |