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2)作强调
We do homework by ourselves.
I myself go to the air port to meet my uncle.
4.指示代词
1)this,that,these,those
What'sthis(that)?It'sabook.
Whatarethese(those)?Theyarebooks.
this和these比较靠近,that和those稍远一点。
2)it的用法
(1)指物:It's a robot.
(2)指自然现象:It's raining now,but it will be fine soon.
(3)指时间:What time is it?It's8o'clock.
(4)指距离:It's twentyminutes'walk.
(5)作形式主语:It's importantforustofightpollution.
It took mehalfanhourtofinishthework.
It'skindofyoutosayso.