高一暑假综合测试
本文作者： Teens高考研究小组
（上接C4版）CYour smartphone (智能手机) can do a lot of things. It can call people. It connects to the Internet. It enables you to play fun games. But there is a dark side to this smart little device (设备) of yours – it might also spread disease. |  |
| |||||||||||||||||||||||||||||||
京公网安备 11010502033664号