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5. She was so surprised that she couldn\t move.她大惊讶了以致于动弹不得。
so...that...导目的状语从句，意为“如此……以致于…”，so是副词，后接形容词或副词。如：
He is so tired that he does not want to go with us.他太疲劳所以他不想和我们一起去。
She walked so fast that I couldn\ t follow her.她走得太快了以致于我跟不上她。
6. However, before she could think twice, the water was upon her. 然而，转念之阎，洪水已近在眼前。
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