Chrome，
QQ浏览器
.
![人教版初中化学九年级上册绪言化学使世界变得更加绚丽多彩[张跃英]【市一等奖】优质课](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F4006377e3fc009ead8a28b75472eddf211b69f1a.jpg%40672w_378h_1c_%21web-search-common-cover)
![人教版初中化学九年级上册绪言化学使世界变得更加绚丽多彩[张跃英]【市一等奖】优质课_1](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F8b126320e82af675f4a793d10307e7ae4e71e12f.jpg%40672w_378h_1c_%21web-search-common-cover)
.