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Finally，many people find happiness in helping others. According to studies，people feel good when they volunteer their time to do many meaningful things for other people. If you want to feel happier，do something nice for someone. You can help a friend with his or her studies，go shopping to get food for an old neighbor，or simply help around the house.
Now maybe you know how to find happiness!
1. The underlined word “wealthy” means “__________”in the article.
A. pleased B. healthy C. excited D. rich
2. Some people who hold a high position in the government think they can _________.
A. get money and something they can't buy with money
B. do what they want to do at any time
C. enjoy health which makes them work hard
D. take an active part in all kinds of activities every day
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