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 body also needs exercise. Walking , running , swimming and playing games are all exercise. Exercise keeps the body strong. Exercise also helps the blood (血液)move around inside the body. This is very important. Our blood takes food to all parts of our body. The head also has blood. Exercise helps us think better.
( )46. If we get up early and go to bed early, we shall be healthy.
( )47. Children of young age shouldn’t have ten hours’ sleep every night.
( )48. A person needs exercise because it makes him strong.
( )49. Exercise also helps the blood (血液)move around inside the body
( )50. Exercise can’t help our head think better.