亚洲视频免费一区,国产欧美综合一区二区,亚洲国产观看,91精品啪在线观看国产91九色,日本又黄又粗暴的gif动态图含羞,麻豆国产一区二区在线观看,中文字幕在线二区

 

A student hands in waste batteries on Monday at an environmental protection campaign launched at Shanghai University's Yanchang campus. The campaign encourages students to manage their electronic waste, including CRT screens, batteries, rechargers, MP3 players and cell phones. Students handing in electronic waste can get a reward including stuffed toys and stationery. [Shanghai Daily]