things.

After high school, many students go to college. They can go to a small one or a large one. Many college students work after class to get some money for their studies.

41 .Most American children go to school when they are ____years old.

A. four B. five C. six D. seven

42. High school students _____ after class.

A. do a lot of homework B. do many interesting things

C. often sing songs D. do lots of reading

43. After high school, many students_______.

A. begin to work B. stay at home C. go to college D. visit their friends

44. Many college students work after class because ______.

　 A. they want to get some money for their studies

　 B. they don't have anything to do

　 C. their parents ask them for money

　 D. their teachers ask them to do so

45. From this passage, we know that in America a summer holiday begins in___ __.

A. January B. September C. February D. June

　Sports can help us a lot. Taking exercise can make us strong. In collective(集体的)sports like basketball, volleyball, or football, we will learn the importance of cooperation. And sports can also help us relax after work or study.

However, as the saying goes, "There are two sides of everything." Sometimes we may hurt other players or ourselves if we are not careful enough when participating (参加)in sports activities. What's more, too much or hard practice can be bad for our health.

Sports can make us healthy both physically and psychologically(心理地). It is also a good way for people to know each other and can improve friendship between people. So long as we are careful enough, sports can do us nothing but good.

46.　　　can make us strong.

　A. Taking exercise B. Singing C. Sleep in D. Making friends

47.Too much exercise can be　　　for us.

A. good B. bad C. helpful D. enough

48.Sports can　　　.

A .help people to know each other

B .improve friendship between people

C .do us nothing but good if we're careful

D. do all the above

49.Which of the following is NOT true?

A. Basketball and volleyball are both collective sports.

B. Sports can help us relax after work or study.

C. Sometimes we may hurt other players or ourselves when participating in sports activities.

D. Sports can only make us healthy physically.