Hyperinflation (极度通货膨胀)　is defined as an economic condition during which there is a steep increase in prices. In accordance with the laws of economics， three factors combine to create this condition. First， demand must be much greater than the supply

A. By providing access to church participation， clubs， etc.

B. By drawing on support systems from various kinds of organizations.

C. By taking part in parental involvement in schooling.

D. By following the two-parent families

A. try to avoid the conflict.

B. decisions are always made democratically.

C. encourage the qualities of caring and responsibility.

D. make sure to monitor the fulfillment of each one‘s duty.

A. the deficiency of single-parent families.

B. whether single-parent families can be regarded as a courageous， desirable alternative to unhappy two-parent families.

C. the impact of family instability and single parenting on children.

D. the poverty of the single-parent families.

A. since they carry major responsibility for their own children.

B. because in many cades they must balance care of children with care for their own aging parents.

C. they must burren lots of work in family.

D. because they hardly obtain any help from others

A) Because they have a lot of money.

B) Because they sympathize with taxi drivers， waiters in restaurants， waitresses in lounges and disco coat check girls， etc.

C) Because of their vanity.

D) None of the above.

A) free of obligation B) free of charge C) plenty in time D) free from tax

A) Today supermarkets are found in almost every big city.

B) The first supermarket was opened only half a century ago.

C) The first supermarket was opened in New York.

D) A supermarket is different from other kinds of stores in two ways

A.both have the wisdom to choose a balanced diet

B.both prefer flavored food and drink

C.both have the same eating patterns

D.both develop a taste for the same kinds of flavors

A.adults know better than babies what kind of food is good for their health

B.adults usually cannot resist the temptation of various delicious foods

C.adults' eating habits are closely related to the social and cultural customs

D.adults have more choices of food than babies in eating patterns

A.a network of centers has been quite effective in reducing suicide

B.a network of centers has been quite successful in reducing suicide

C.people are making efforts to help those who tend to commit suicide and in a way, they are successful

D.in theUnited States, people who want to commit suicide call a network of centers to get help