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. We can’t work out the physics problem. Can you tell us ________?
A. how to do B. how to do it C. what to do it D. what should to do
2. Stop smoking, _______ you’ll get better soon.
A. and B. or C. but D. so
3. Don’t forget _______ your homework to school tomorrow.
A. bring B. bringing C. to bring D. brought
4. Jerry, put on your coat, ________ you’ll catch a cold.
A. or B. but C. so D. and
5. I’m not sure whether I can have a picnic because it ________ the weather.
A. stands for B. lives on C. depends on D. agrees with
6. If you don’t want to______ for plastic(塑料) bags in many supermarkets, you’ll have to bring your own shopping bags.
A. spend B. take C. cost D. pay
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