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A. there are many cars and buses on the road B. there are no traffic lights
C. the buses and cars move on the left D. people on foot may cross the road
( )37.In England,before you cross a street, you must look to first and then________.
A. the right;the left B.the left;the right C. the front;the backD. the back;the front
( )38. If the traffic lights are green, can go, mustn’t cross.
A. the people on foot;the traffic B. the traffic;the people on bike
C. buses;cars D. the traffic;the pe ople on foot
( )39. In England, you must always remember that the traffic _______.
A. is busy B. moves on the left C. moves on the right D. with two floors
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