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3.若直接引语为一般疑问句，则间接引语需改为由if, whether引导的宾语从句，原动词say也要改为ask. 如：
1)"Is this pen yours or hers?"she asked.
She asked me if/whether that book was mine or hers.
2)The taxi driver said to the man,"Could you tell me the way to the bus station?"
The taxi driver asked the man if/whether he could tell him the way to the bus station?
4.若直接引语为特殊疑问句，则间接引语需改为以这个特殊疑问词为连接代词或连接副词所引导的宾语从句。如：
1)"What are you going to do next Sunday morning?"Jack asked me.
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