题目

保持二氧化碳化学性质的粒子是                                              （     ）  A．碳原子      B．氧原子     C．二氧化碳分子       D．氧分子 答案：CAmerican boys and girls like watching TV. Some children spend six hours a day at school and four to six hours a day in front of the TV sets. Some children even watch TV for eight hours or more on Saturday.Television（电视）is like books and films . A child can learn good things and bad things from it. Some TV programs help children to understand the news, the people and places from other countries. With TV, children do not have to go out to see films, they can hear interesting music or watch a game at home. But some programs are bad for children, so parents sometimes help them to find other interesting and useful things to do.【小题1】In America, some children spend eight hours or more _____ on Saturday .A．studyingB．playing gamesC．watching TVD．helping their parents【小题2】With TV, children can ________ at home.A．play footballB．hold a sports meetingC．see some filmsD．have a swim【小题3】What does the underlined word “programs” mean?A．频道 　　　B．节目 　　　C．新闻　　　D．小品