英語人教必修3課件：Unit4單元重點小結

1、重點單詞點短語重點句型 >重點語法 > 功能重點單詞重點短語5重點句型重點語法功能 A單元重點小結1. astronomyn.天文學一»astronomer仏天文學家2. globe門球體;地球儀;地球f glob。】a©.全球性的;全世界的3. violenta".猛烈的;激烈的;強暴的-» violence 門暴力violentlyadv 猛烈地4. unlike prep.與不同;不像>like （反義詞）"幺p>dislike口 &斤不喜歡5. harmfuladj.有害的harm門害處必對有害6. ex

2、ist存在;生存existence 門存在7. Puzzle幾&兀（使）迷惑;（使）為難 n.謎灘題->puzzleda© 迷惑不解的& biology門生物學_»biologist門生物學家>biologicala©生物學的9.physicist門物理學家physical物理學的fphysics門物理，物理學重點單詞重點短語 重點句型重點語法 功能1及時;終于in time2下蛋by eggs3 產生;分娩4 輪到某人.5 阻止;制止in one，s tum prevent .from6感到咼興;感到振奮cheer up7 既然wat

3、ch out for8. 突發(fā);爆發(fā)break out9 密切注意;當心;提防重點單詞重點短語重點石I重點語法 ,:1 地球（開始）變得如此激烈動蕩以至于不知道這種形狀是否會繼續(xù) 存在下去。；5The earth became so violent thatit was not clearwhether the shape would last or not.2. 這就產生了 一系列的反應，使得生命有可能開始發(fā)展了。I This produced a chain reaction, which made it possible for life to develop 3. 所以，在未來的數百萬

4、年中，生命能否在地球上延續(xù)取決于這個問 題能否得到解決。So whether life will continueon the earth for millions ofyears to come will depend on whether this problem can be solved .4. 但我試著向前邁步的時候，我發(fā)覺自己被送出去很遠，步子的跨度 竟是在地球上的兩倍，因而我摔倒了。But when I tried to step forward,I found I was carried twice as “s on the earth and fell over.主語從句Wh

5、at it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.it was not clear whether the shape would last or not.What is even more important is that as the earth cooled down,water began to appear on its surfaceIt was not immediately obvious that water was to be fundamental to the development of life.重點單詞>重點短語_也山語近2>»功能:扌旨 示(Instructions)Please pay attention to . Please check that. Please look at.Mak