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、短信提醒二、“with 宾语 过去分词或短语”
(12) Throw away the container with its cover sealed.
(13) Atoms with the outer layer filled with electrons do not form compounds.
三、“with 宾语 形容词或短语”，如：
(14) Put the documents in the filing container with all the drawers open.
四、“with 宾语 介词短语”，如：
(15) The young lady with a red ribbon on her head is my former maths teacher.
(16) Do you know the gentleman with both hands in his pockets?
五、“with 宾语 副词虚词，”如：
(17) Is there any water in the kettle with this cover off ?
(18) Out went the boy scouts with their uniforms on.
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