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1. at a loss:不知所措
Seeing her husband get dead drunk again, the woman was at a loss.看见她丈夫又喝醉了,她不知所措。
替换短语:all at sea:不知所措
The woman was all at sea, for her husband got drunk again.看见她丈夫又喝醉了,她不知所措。
2. at any moment:随时
You can call me at any moment.你随时可以给我打电话。
混淆短语:in a moment:立刻
If you need help, call me, and I will come here in a moment.如果你需要帮助,给我打电话,我会马上赶过来。
3. at any rate:无论如何
The package will be delivered to you in two days at any rate.包裹无论如何会在两天寄给你。