高中數(shù)學(xué)視頻同步課程
主講老師:紀(jì)老師、周沛耕、毛允魁等
特色服務(wù):互動(dòng)封閉仿真課堂啟發(fā)式教學(xué)方式智能錯(cuò)題本在線答疑
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互動(dòng)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(dòng)問答 4、封閉課堂啟發(fā)式教學(xué)方式
隨堂測(cè)試、知識(shí)梳理、易錯(cuò)點(diǎn)揭示、總結(jié)啟迪智能錯(cuò)題本
聽課中的錯(cuò)題能自動(dòng)加入錯(cuò)題本,課后可方便復(fù)習(xí)及導(dǎo)出錯(cuò)題本升級(jí)服務(wù)
在線答疑、課后同類題練習(xí)、講義下載、短信提醒Then the effect of these illnesses is not usually very bad.這些病的后果并非不好。
If we get them when we are older, it can be much worse for us.如果大一點(diǎn)的時(shí)候才得這些病,對(duì)我們更不好。
Throughout history, we have fought against diseases and illnesses and many will have been eradicated from most countries by the end of this century.有史以來,我們已經(jīng)同疾病做了許多斗爭(zhēng),許多疾病也將在本世紀(jì)末在許多國(guó)家完全被消除了。
But new ones seem to come along to challenge us, or perhaps these new ones were always there but we did not identify them.但是似乎又有新的疾病襲來,向人們提出挑戰(zhàn)。也許,這些新的疾病一直都存在,只是我們沒有發(fā)現(xiàn)。