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If the Fifties were devoted to rock and roll and the Sixties to movies, the Seventies represent the performing chapter in Presleys career. He toured constantly, performing to capacity crowds around the country until his death. Presley died of a heart attack at Graceland, his Memphis mansion, on August 16, 1977. He was 42 years old. How big was Elvis?
Statistically, he holds records for the most Top Forty hits (107), the most Top Ten hits (38), the most consecutive #1 hits (10) and the most weeks at #1 (80). As far as his stature as a cultural icon, which continues to grow even in death, writer Lester Bangs said it best: "I can guarantee you one thing - we will never again agree on anything as we agreed on Elvis."
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