互動封閉仿真課堂
1、智能交互 2、電子板書式視頻教學 3、在線互動問答 4、封閉課堂啟發(fā)式教學方式
隨堂測試、知識梳理、易錯點揭示、總結(jié)啟迪智能錯題本
聽課中的錯題能自動加入錯題本，課后可方便復習及導出錯題本升級服務(wù)
在線答疑、課后同類題練習、講義下載、短信提醒二、whose whose既可指人也可指物，指物時whose 名詞 = of which the 名詞 / the 名詞 of which.
如：The plastic bottle， whose top / of which the top / the top of which is cut off， can be used as a container to grow plants in.比較：The plastic bottle， （with） the top cut off， can be used as a container to grow plants in. （此處為獨立主格結(jié)構(gòu)）
三、which和as which和as都可引導非限制性定語從句，用來指代整個主句的內(nèi)容， which 引導的從句只能放在主句后，as 引導的從句放在主句前后均可；which 意為“這一點”，as 意為“正如”。as還可用于the same …… as， such …… as等結(jié)構(gòu)中，引導限制性定語從句。
如：He turned out to be a great success as a dancer， which was more than we could expect. As is known to all， Madame Curie is the first woman scientist in the world to have won two Nobel Prizes. Have you bought the same dictionary as I referred to yesterday？
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