Many like SMS because it is easy and ___3___. Some parents felt happy because they could get in touch ___4___ their children. Some teachers said mobile phone use was, a distraction（分心的事）to students during school hours and it also gave them much ___5___ in their classrooms. Sometimes students ___6___ use phone messages to cheat（作弊）during exams. A new study found that some teenagers send messages in class even hurt their fingers because they can't stop ___7___ SMS.

Mobile phones are becoming 36 not only with grown ups but also with students. Meanwhile, they also 37 a problem for middle schools in the past few years. Some children have got mobile phones 38 Christmas or birthday gifts, and more will 　39 want them.

Many like SMS because it is easy and 　40 . Some parents felt happy because they could get along 　41 their children. Some teachers said mobile phone use was a distraction(分心的事) to students during school hours and it also gave them much 42 in their classrooms. Sometimes students 　43　 use phone messages to cheat during exams. A new study found that some teenagers sent messages in class even hurt their fingers because they can’t stop 　44 SMS.

Many teachers suggested that students should not have phones at school, 　45 if there was a good reason, they could 　46 their phones at school office. And even they can use the telephone in the teachers’ office 　47 . Many people think they understand 　48 parents would want their children to have them, 　49　 they agree school should let the students 　50 when they can use their mobile phones.

(　 )36. A. more and more popular　　 B. more popular and more popular

　　　 C. popular and popular　　　 D. more popular and popular

(　 )37. A. become　　　　 B. had become　　　 C. have become　　 D. will become

(　 )38. A. for　　　　　　 B. as　　　　　　　 C. at　　　　 　　 D. with

(　 )39. A. still　　　　　　 B. yet　　　　　　　 C. already　　　　 D. too

(　 )40. A. quickly　　　　 B. quick　　　　　　 C. hurry　　　　　 D. sharp

(　 )41. A. against　　　　　 B. on　　　　　　　 C. with　　　　　　 D. to

(　 )42. A. business　　　　 B. information　　　 C. things　　　　　 D. trouble

(　 )43. A. dare　　　　　　 B. have to　　　　　 C. should　　　　　 D. might

(　 )44. A. using　　　　　 B. to use　　　　　 C. used　　　　　　 D. used to

(　 )45. A. and　　　　　　 B. but　　　　　　 C. though　　　　　 D. however

(　 )46. A. miss　　　　　　 B. leave　　　　　　 C. lie　　　　　　　 D. fetch

(　 )47. A. instead　　　　　 B. instead of　　　　 C. also　　　　　　 D. with

(　 )48. A. whether　　 　　B. because　　　　　 C. why　　　　　　 D. since

(　 )49. A. and　　　　　　 B. or　　　　　　　 C. otherwise　　　　 D. but

(　 )50. A. know　　　　　 B. to know　　　　　 C. knows　　　　　 D. knowing