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The man still looked tired. “ Yes,” he said, “ I tried counting one, two, three… up to one thousand. But when I reached five hundred and sixty-nine, I began to feel sleepy. I had to get up and drink some tea so that I could go on counting up to one thousand. But then I still couldn’t fall asleep.”
1. The young man couldn’t go to sleep because ________.
A. he hadn’t finished doing his lessons
B. he had worked too hard and became ill
C. he was worried about his homework
D. there was a lot of noise there and he couldn’t have a good rest
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