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sometime 副词,某个时候。 表示不确切或不具体的时间,常用于过去时或将来时,对它用疑问词when.如:
I will go to Shanghai sometime next week. ------When will you go to Shanghai next week?
some times 名词词组, 几次,几倍。其中time 是可数名词,对它提问用how many times.
I have read the story some times. -------How many times have you read the story?
some time 名词短语, 一段时间. 表示“一段时间”时,句中谓语动词常为延续性动词,提问时用 How long. 如: I ‘ll stay here for some time. -----How long will you stay here?
10.how often 多久一次,用来提问动作发生的频率。回答用:once,twice, three times 等词语。
How often do you play sports? Three times a week.
how long 多长,用来询问多长时间,也可询问某物有多长。
How long does it take to get to Shanghai from here? How long is the ruler?
how far 多远, 用来询问距离,指路程的远近。 How far is it from here to the park? It’s about 2 kilometers.