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)作形式宾语:Wethinkitnecessarytorelaxfromtimetotime.
5.不定代词
1)some,any
some用于肯定句中,any用于否定句和疑问句中。如:
There are some pens on the desk.
There aren't any pens on the desk.
Are there any pens on the desk?
Some are Chinese.Others are English.
在表示请求、建议、反问等句子中,用some而不是用any。如:
Would you like some drink?
any也可以表示任何一个。如:
Do you know any ofher friends?
If you have any questions,you can ask me.