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6. It follows that… 由此得出…; 可见…
People get sick because of air pollution. It follows that we must do something about it.
人们生病是因为空气污染。可见我们必须采取行动了。
7. lead to 导致
8. take turns to do sth/ doing sth 轮流做某事 do sth in turn/by turns
9. act as 扮演 play a role of
10. an environmental expert 一位环境专家
11. keep/stop/prevent sb from doing sth 阻止…做… keep sb doing sth 使...一直做...
keep (on) doing sth 坚持做某事 protect...from/against 保护...免受...