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.While it remains to be seen whether or not environmental deterioration can be controlled , the current prospects are far from encouraging . People around the world must act immediately to prevent the situation from deteriorating even further .
环境恶化是否能得到控制这个问题仍然没有答案,但目前的前景一点儿也不乐观。全世界的人必须立即行动,防止情况进一步恶化。
2. When it comes to the increasing use of motor vehicles in Beijing , some people think that use should be limited . Others argue that the opposite is true . There is probably some truth to both arguments,but emission controls must be instituted regardless of the number of vehicles.