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4. We ought to learn more about our body and the fuel it needs to keep fit. (Reading)
[考点] ought to的用法和should差不多,只是语气稍重一些。其否定式为ought not to(oughtn’t to)。ought to have done同should have done,意为“本应该做某事而没有做”。
[考例1] There was a lot of fun at yesterday’s party. You ______ come, but why didn’t you? (上海1999)
A. must have B. should
C. need have D. ought to have
[点拨] 选D。句意为“昨天的晚会很有趣。你本应该来,可你为什么没有来呢?”。must have done表示“过去一定做过某事”,是对过去发生情况的肯定推测,不合题意。