Chrome，
QQ浏览器
.
![道法六上5《国家机构有哪些》（第一课时）[高清版]](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F866a0feaaf79e3f4ae317775c4d03d55aaa4917a.jpg%40672w_378h_1c_%21web-search-common-cover)
.