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1. your, kept, book, long, has, Tim, how
?
2. have, for, than, I, had, lion, more, two, toy, the, months
.
3. since, Kate, ten, has, was, old, learned, she, years, Chinese
.
4. seen, a, of, haven’t, I, him, couple, weeks, for
.
5. a, such, she, had, happy, countryside, childhood, the, in
.
参考答案
Ⅰ. 1. How long has 2. has been 3. don’t; any longer
4. How often
5. haven’t been
Ⅱ. 1. How long has Tim kept your book
2. I have had the toy lion for more than two months
3. Kate has learned Chinese since she was ten years old
4. I haven’t seen him for a couple of weeks
5. She had such a happy childhood in the countryside