8.some groups of students did a survey which was about"How do people spend their free time?"in their community last year.The following diagrams(图表) show some results of it:
Diagram (1):Hours for people of different ages who surf the Internet in a week.
Diagram (2):Different days people go to the library.(library attendance出席)
Diagram (3):Different programs (节目) people like.
51.People agedC spend the most time surfing the Internet every week.C
A.7~16
B.17-30
C.31--55
D.over 56
52.The word"attendance"in Diagram(2)means"C in the library".
A.the hours people spend
B.the number of books
C.the number of people
D.the days people spend
53.Which of the following is TRUE according to the diagrams?A
A.Half of the people like watching news or cartoons
B.Sports are the most people's favorite programs.
C.People seldom go to the library on weekdays.
D.The fewest people like watching music programs.
54.The three diagrams show us the results of a survey aboutB.
A.what people do every day
B.how people spend their free time
C.people's different lifestyles
D.people's different habits.