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、短信提醒能力: the power of hearing/ to imitate human words
out of/beyond one’s power 力所不及
权利, 支配力: come into power执政; political power政权;
fight for powder争权; power politics
强国: Japan is among the great economic powers in the world.
有影响的人: He is a power in this town.
动力: electric power, water power
gain/ get/ lose power over
gain one’s respect/ wealth/ experience/
obey/ observe the traffic rules/ regulations
11.angel n. --- a messenger sent from God 天使
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