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To some men wealth is the greatest prize in life.
His poem won the first prize in the contest.
I will use the prize money to help pay for my education.
13. silver 1)n. [U] a soft precious metal, grayish-white in color, that can be brightly polished, and is used in jewellery and for making coins 2) adj. a) made of silver; b) grayish-white or silver in color
In ancient times, the emperors’ bowls were made of silver. There is not a silver hair on her head. There is a silver ring in the box.