School children usually () great scientists.

阅读材料，回答题。

Concerning money or anything else, conflicts between husband and wife usually reflect a power struggle. Conflicts between parent and child often centre around the same issue. As children enter adolescence, they begin to demand greater freedom to go where they please, do what they please, and make decisions without parental interference. Many American parents do not know how to deal with their teenagers and seek advice from books, lectures, and parent training courses. Parents want to maintain a friendly relationship with their teenagers and also want to guide them so that their behavior. will be whatever the parents consider proper and constructive.

But in a society of rapidly changing social and moral values, parents and children often disagree about what is important and what is fight.

Arguments may concern such unimportant matters as styles of dress or hairdos. But quarrels may also concern school work, after school jobs, decisions, use of the family car, dating, and sex behavior. Some families have serious problems with teenagers who drop out of school, run away from home, or use illegal drugs. Because so much publicity is given to the problem teenager, one gets the impression that all teenagers are troublemakers. Actually, relatively few adolescents do anything wrong, and nearly all grow up into "solid citizens" who fulfill most of their parents’ expectations. In fact, recent studies show that the "generation gap" is narrowing. The vast majority of teenagers share most of their parents’ values and ideas. Many parents feel that they get along with their adolescents quite well.

According to the writer， conflicts between husband and wife usually reflect_______ 查看材料

A.feeling of hatred

B.power struggle

C.that they don’t care for each other

D.that they may appeal to divorce

This morning Jack came to school late ______.

A．than usual

B．as usual

C．like usual

D．like usually

What does the woman do first when she gets to school？

A．She usually does nothing.

B．She usually does her homework first.

C．She usually cleans her desk first.

A.private

B.children

C.school

D.personal

A.children

B.children of school age

C.prirnary， school teachers and pupils

D.mothers and their children

During the school holidays the children enjoyed their (free) ______.

A.children have to walk to school

B.mothers drive their children who can’t walk to school

C.school buses take children to school

D.school buses take the younger children only