中国大学MOOC: No one can use cell phones in any areas at the hospital _______ equipment might be affected by the interference from cell phones.

Can a school _________ a policy prohibiting the use of mobile phones on campus? A: make B: pass C: adapt D: adopt

Mobile phones have become a (1)______________ for middle schools. Some middle schools in (2) ______________ ask students not to carry mobile phones during school hours. There are several reasons. First, mobile phones are (3)______________ . Second, using mobile phones is a distraction to the students. Third, mobile phone use also gives teachers so much trouble, because some students might use phone messages (4)______________ . So, some teachers say students should not have mobile phones at school, but if there was a good reason, they could (5)______________ their phones at the school office.

Nowadays, more and more people, including children as well as adults, have been _____ ( 转移注意力 ) by their mobile phones and cannot concentrate on their work.

Smartphones are mobile phones with an advanced mobile operating system. Which one is not a smartphone? _____