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. instead of 代替……
(1) instead of n. / pron.
Give me the red one instead 0f the green one.
(2) instead of doing
We walked down the stairs instead of taking the elevator.
(3) instead of 介词短语
He studies in the evening instead of during the day.
[比较]
(1) instead adv. 作为替代 (……而)，代替 If Harry is not well enough to go with you, take me instead.
(2) rather than 而不是，与其……宁愿 He ran rather than walked.
(3) in place of 代替，……而不用The Chinese use chopsticks in place of knives and forks.
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