My teacher used to _______ a bike to school, but now he is used to ________ a car to work.

A. ride, driving　      B. ride, drive

C. riding, drive    D. riding, driving

The Internet has become part of teenage life. A new report on 3,375 students aged from 10 to 18 in seven Chinese cities found that 38% of them think they use the Internet often.

    While most of them get   41   information and use the Internet to help themselves in their studies, but some are not using it in a good way. Many play online games too much. A few    42  visit websites they should not look at. Hong Ying, a teacher from Beijing Yinghua Middle School warns that bad things can happen if young people spend   43   time on the Internet. She had a student who  44   be good at study. But then he started visiting erotic(色情的) websites. He went mad, cheated a girl and was taken by  45 __.

    In order to help young people use the Internet in a good way, a   46   on good Internet behavior has started to be used in some Shanghai middle schools this term. The book uses real examples to teach students all about good ways of using the Internet. The book gives useful   47  , such as it’s good to read news or to find helpful information to study.

    Some students also make online friends. But if you are meeting a friend online,   48___   your parents know. Teachers and parents all think the book is a very good one.  

Hong said the book would be a guide for teens using the Internet. She believes it will keep students  49  bad sites. 

    “Many students are using the Internet without guidance(指导) from their parents,” she said. “The book will   50   students how to be a good person in the online world.”

41. A. bad                   B. interesting            C. useful                   D. exciting

42. A. even               B. never                       C. much                    D. really

43. A. little                B. a little                   C. much too                       D. too much

44. A. is used to 　      B. are used to           C. used to                  D. uses to

45. A. his teacher       B. the headmaster       C. his parents             D. the police

46. A. CD             B. book                    C. TV play               D. movie

47. A. languages           B. pictures                  C. songs                  D. advice

48. A. ask               B. prevent                    C. make sure              D. find

49. A. away from        B. with                       C. in                       D. into

50. A. make              B. talk                         C. teach                     D. learn from

My teacher used to _______ a bike to school, but now he is used to ________ a car to work.