互动封闭仿真课堂
1、智能交互 2、电子板书式视频教学 3、在线互动问答 4、封闭课堂启发式教学方式
随堂测试、知识梳理、易错点揭示、总结启迪智能错题本
听课中的错题能自动加入错题本，课后可方便复习及导出错题本升级服务
在线答疑、课后同类题练习、讲义下载、短信提醒(3) help oneself / sb. to sth. 给自己 / 别人夹菜 / 拿烟
等;擅自拿用 May I help you to some more vegetables?
(4) help...in sth. 在……方面帮助某人 She offered to help Rose in the housekeeping when I am not here.
(5) help out 帮忙 (做事;克服困难等) I've often helped Bob out when he's been a bit short of money.
2. 含go的短语
① go around 到处走/跑.(疾病)流传，(谣言)传开;go after 追求;go ahead 说吧，请吧，做吧;go away 离开，出去
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