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 spends a large percent of his income on food and drink.
18. speech n. 1) [C] a formal talk to a group of listeners 2) [U] the ability to speak or the act of speaking 3) [U] way of speaking
The chairman made an opening speech.
She is researching speech development in children.
We express our thoughts by speech.
By your speech I can tell you're from Hong Kong.
19. judge 1) vi. & vt. to decide who or what is the winner in a competition 2) [vt. that] to form or give an opinion about someone or sth after careful thought judging from, judging by… 3) n. a public official who has the power to decide questions brought before a court of law; a person who has the knowledge and experience to give an opinion about the value of sth
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