互動封閉仿真課堂
1、智能交互 2、電子板書式視頻教學(xué) 3、在線互動問答 4、封閉課堂啟發(fā)式教學(xué)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(fù)習(xí)及導(dǎo)出錯題本升級服務(wù)
在線答疑、課后同類題練習(xí)、講義下載、短信提醒7.句子單數(shù)變復(fù)數(shù),注意以下五要素
(1)主格人稱代詞要變成相應(yīng)的復(fù)數(shù)主格人稱代詞,即I→we, you→you,she,he,it→they。
如:She is a girl. →They are girls.
(2)am,is要變?yōu)閍re。如:
I’m a student. →We are students.
(3)不定冠詞a,an要去掉。如:
He is a boy. →They are boys.
(4)普通單數(shù)名詞要變?yōu)閺?fù)數(shù)形式。如:
It is an apple. →They are apples.
(5)指示代詞this,that要變?yōu)閠hese,those。如:
This is a box. →These are boxes.