启动线上教学，上网课请注意这些！

<span style="font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "hiragino="" sans="" gb",="" "microsoft="" yahei="" ui",="" yahei",="" arial,="" sans-serif;="" font-size:="" 14px;="" letter-spacing:="" 0.544px;="" text-align:="" justify;"="">素材来源：大众网·海报新闻