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(2) be afraid to do sth 常表示“由于胆小而不敢做某事”。She is afraid to be here alone. / He is afraid to jump into the river from the bridge.
(3) be afraid of (doing) sth. 常表示“担心或害怕某事(发生)”。I was afraid of hurting her feelings.
5. live, living, alive, lively
(1) live adj.
① 活的;活生生的;(只修饰生物;只作前置定语) The laboratory is doing experiments with several live monkeys.
② 实况直播的 (不是录音)It wasn't a recorded show. It was live.
③ 带电的;燃着的;可爆炸的 This is a live wire.
(2) living adj. 活着的,有生命的(作表语或定语) She was, he thought, the best living novelist in England. / The old man is still living. (或alive)