Chrome，
QQ浏览器
.
![小学语文[部编版]二上《植物妈妈有办法》-国家级优质课](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F78643cee924da99c43b2fb8334691184378d87a7.jpg%40672w_378h_1c_%21web-search-common-cover)
.