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7.injure vt. to cause physical harm to (a person or animal), especially in an accident; hurt seriously; to damage I hope I didn't injure her feelings. His back was injured. Two people were killed and seven were injured. His reputation will be badly injured by the vicious rumour.
8.destroy vt. to damage sth so severely that it can not be repaired; put an end to the existence of; ruin
A fire destroyed the house.
What he said destroyed our last hope.
All hopes of peaceful settlement were destroyed by his speech.
9.brick n. [C,U] 1) a hard piece of baked clay used for building 2) sth. in the shape of a brick They used yellow bricks to build the house. The tower is made of bricks. Bricks covered the ground like red autumn leaves.
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