The best title for the article is______

A:Results of Feminist Movement B:New Influences in American Life C:Counterculture and Its Consequence D:Traditional Division of Male and Female Roles

This article explains （）

A:the difficulties of exercising B:why exercising is good for your health C:C．important information to know about exercising D:why people have some wrong ideas about exercising

This article shows that ______.

A:some people are trying to solve their waste problems B:the government is not concerned with the problem of wastes C:recovered materials won't be able to compete with new materials D:citizens will unwillingly pay the costs of changing the waste system

The main idea of the above article is ______.

A:Happiness means the same to everyone B:Happiness is the thing that everyone wants most of all C:Money makes one happy, so does helping others D:Both A and C

The topic with which the article is concerned is ______.

A:natural foods B:eating habits C:healthy eating D:food problems

The main idea of the article is that ______.

A:a visit to a doctor's office may cost as much as $ 15 to $ 50 in U. S. B:the cost of medical care is the main reason for the high costs in the U. S. C:medical care in the U. S. costs a lot of money because doctors want to be rich D:the high cost of tuition in medical schools is one reason for the high cost of medical care in the U. S.

Generally speaking, this article is about ______.

A:a riverboat pilot B:a printer C:a gold miner D:a famous writer

The idea of this article is that ______.

A:birds are important in our lives B:animals are important in our lives C:nature is important in our lives D:Audubon was especially interested in birds