The old people of today have made great contributions m the material and cultural advancem

The number of old people is to ______ in the new century.

A．swell

B．switch

C．sweep

D．swing

A、hundreds old people

B、hundred old people

C、hundred old peoples

D、hundred old peoples

A.young

B.people

C.old

A．Enhance the contests of force.

B．Change people's old mental habits.

C．Change people's ideologies.

D．Persuade mankind to live with war.

Old people ______ carefully.

A．must be listened

B．must be listened to

C．must listen to

The author thinks that______.

A．medical decisions for old people should be left to the doctors

B．old people can enjoy a happy life only if they are very rich

C．the opinion that we should try every means possible to save old people is doubtful

D．it is always morally right to treat old people and push off death

People of one culture moving to a country of another culture may ______ their old ways.

A．keep up

B．give up

C．look back at

D．clear away