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Before the meeting began I made the necessary introductions. The introduction in a book tells us what the book is about.
3. approach & touch
「课文原句」Mr Garcia approaches Mrs Smith， touches her shoulder and kisses her on the cheek. （P26）
「名师点拨」（1） approach vt. & vi. 意为“接近；靠近；走近”。approach作名词讲时，表示“方法；步骤；途径；接近”，用于make approaches to sb，表示“想法接近（认识）某人”。如：We could just see the train approaching in the distance. It began to rain when he approached his home. The time is approaching when we must be on board. All approaches were blocked because of the accident. A new approach should be found to solve the matter. I am not good at making approaches to strangers.（2） touch作动词讲，意为“接触；触摸”；touch作名词时，除了“接触；触摸”的意思外，还有“联系”的意思。如：Visitors are not allowed not to touch the exhibits. keep in touch with 同……保持联系get in / into touch with 和……取得联系lose touch with 和……失去联系be out of touch with 同……失去联系
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