Chrome，
QQ浏览器
.
![[高中化学必修第二册教材实验]实验活动5 不同价态含硫物质的转化](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F5d9fddfa9f56ebb27cdbcb7c98d95af4cda5416d.jpg%40672w_378h_1c_%21web-search-common-cover)
![[高中]我是如何整理复习化学有机](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2Fc6c832839f23e95730388c20819d55bf982b1b61.jpg%40672w_378h_1c_%21web-search-common-cover)
.