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take in 吸收，接纳
take up 拿起.从事.占据
take the place of 取代，代替
take apart 拆开
take down 拿下，记下
take...for... 误认为……
(4 ) closely adv. 紧密地;仔细地;密切地
He got closely in touch with the magazines of today.
The little baby was closely looked after by her.
[比较]
(1) close 与 closely 作副词时，close含具体之意，closely 含抽象之意。
(2) 类似的词组有 high (高) -- highly (高度地)，deep (深深地) -- deeply (深入地)，wide (很开，宽) -- widely (广 泛地)，low (低的)-- lowly (低贱的) (作形容词)
5. hand in 交上去(给老师或上级);交来(hand v.)
Each student has to hand in a composition once a week.
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