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He has a persistent cough. (他不停地咳嗽。)
He has bouts of uncontrollable coughing. (他一阵阵咳嗽,控制不住。)
He has a sore throat and a stuffy nose. (他嗓子疼,鼻子不通。)
His breathing is harsh and wheezy. (他呼吸声很重,还呼哧呼哧的。)
He has a runny nose, sneezing or a scratchy throat. (他打喷嚏、流鼻涕,喉咙沙哑。)