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53. Tim was able to reach Dave because_____________.
A. he was wearing special clothes
B. he could run very fast
C. he wasn‘t afraid of fire
D, he was driving
54. The fireman wanted to ______________.
A. pull off Dave‘s helmet
B. stop Tim helping Dave
C. put out the fire
D. bring Dave to safety
55. The writer is telling us a story about __________.
A. a car accident in a street
B. an accident in a motor-racing
C. friendship
D. Tim‘s success as a motorist