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14.Who will ______ your child if you are out.
A. care about B. care of C. care for D. care on
15.The Great Wall travels _____deep valleys, ________ deserts and ________ mountains.
A. over; across; through B. through; over; across
C. across; through; over D. through; across; over
16.--Mary, is this your pen?
--No, mine is bigger, ______with a blue cap.
A. it B. one C. this D. that