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“Mom, I have a question to ask you,” I said after a while.过了一会，我说：“妈妈，我想问你一个问题。
“What?” she replied, still doing her work.“什么问题？”她一边继续缝着，一边回答道。
“Is there love between you and Dad?” I asked her in a very low voice.我低声地问道：“你和爸爸之间有没有爱情啊？”
My mother stopped her work and raised her head with surprise in her eyes. She didn’t answer immediately. Then she bowed her head and continued to sew the quilt.母亲突然停下了手中的活，满眼诧异地抬起头。
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