| A.because they are students | B.when they are free |
| C.when they are at school | D.because they are children |
| A.the makers and sellers | B.the passers-by and strangers |
| C.their parents and friends | D.some mobile phone users |
| A.聊天 | B.核对 | C.查询 | D.作弊 |
| A.use their mobile phones |
| B.leave their mobile phones at school office |
| C.help the teachers with their work |
| D.get in touch with their children |
| A.students shouldn’t have mobile phones at school except for some special reasons |
| B.it is impossible to ban students from using mobile phones at school |
| C.some parents felt unhappy because they couldn‘t use their phones at school |
| D.parents should teach their children how to use mobile phones during school hours |