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16. pay attention to 注意
Pay attention to what the teacher is talking about!
注意老师说的话!
17. refer to 提到,涉及到,关系到,参考,查阅
What I have to say refers to all of you.
我要说的事和你们大家都有关。
18. relate to 与……有关,涉及……
Wealth is seldom related to happiness.
财富鲜于幸福有关。
19. see to 照看或处理某事物
Will you see to the arrangements for the next committee meeting?
你来处理下次委员会会议安排,好吗?
20.stick to 坚持,不改变或不放弃
We don’t want to hear your opinions; stick to the facts!
我们不想听你的想法,只讲事实!
21.turn to 转向,求助于,转而做
The more depressed he got, the more he turned to drink.
他情绪越低落越是借酒浇愁。
22.used to 习惯于……,适应……
She is quite used to working hard.
她很习惯做艰苦的工作。
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