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10. arise, rise, raise
raise vt.“使……上升;升起;提高”等;
rise vi.“上升;升起”;
arise vi.“站起来(stand up)”,“起床(get up)”,rise和arise用作站起,起床都属正式用法;arise主要表示“出现、发生”等意思。She raised her voice in anger. (抬高) The wind raised the fallen leaves from the ground. (刮起) The child rose from the ground and ran to his mother. (=The child raised himself from the ground and ran to his mother.) (爬起) She rises before it is light. (起床) Difficulties will arise as we do the work. (出现)