1、Unit 4Unit 4Astronomy:the science of the starsAstronomy:the science of the stars基礎知識基礎知識梳理梳理考點知識考點知識導練導練基礎知識基礎知識梳理梳理 抓主干抓主干固雙基固雙基單單詞詞拓拓展展 1.1. vi.vi.存在存在; ;生存生存 n.n.生存生存; ;存在存在 2.2. n.n.謎謎; ;難題難題 vt.& vi.(vt.& vi.(使使) )迷惑迷惑 adj.adj.令人迷惑的令人迷惑的 adj.adj.感到迷惑的感到迷惑的3.3. n.n.天文學天文學 n.n.天文學家天文學家4.4

2、. n.n.學說學說; ;理論理論 adj.adj.理論上的理論上的 adv.adv.理論上地理論上地 existexistexistenceexistencepuzzlepuzzlepuzzlingpuzzlingpuzzledpuzzledastronomyastronomyastronomerastronomertheorytheorytheoreticaltheoreticaltheoreticallytheoretically單單詞詞拓拓展展 5.5. n.n.球體球體; ;地球儀地球儀 adj.adj.全球性的全球性的6.6. adj.adj.猛烈的猛烈的 adv.adv.猛烈地猛

3、烈地 n.n.猛烈猛烈; ;暴力暴力7.7. adj. adj.基礎的基礎的 adv.adv.基本地基本地 n.(pl.)n.(pl.)基本原理基本原理8.8. adj.adj.溫和的溫和的; ;文雅的文雅的 adv.adv.溫柔地溫柔地 n.n.紳士紳士globeglobeglobalglobalviolentviolentviolentlyviolentlyviolenceviolencefundamentalfundamentalfundamentallyfundamentallyfundamentalsfundamentalsgentlegentlegentlygentlygentle

4、mangentleman單單詞詞拓拓展展 9.9. n.n.系統系統; ;制度制度10.10. n.n.氣候氣候11.11. vi.& vt.vi.& vt.乘乘; ;增加增加12.atmosphere 12.atmosphere n._n._13.float 13.float vi.& vt.vi.& vt. n._n._14.crash 14.crash vi.& vt._vi.& vt._system system climateclimatemultiplymultiply大氣層大氣層; ;氣氛氣氛( (使使) )漂浮漂浮漂浮物漂浮物碰撞

5、碰撞; ;墜落墜落短短語語記記憶憶1.1. time time及時及時; ;終于終于2.prevent.2.prevent. 阻止阻止; ;制止制止3.block 3.block 擋住擋住( (光線光線) )4.4. that that既然既然5.break 5.break 突發突發; ;爆發爆發6.cheer 6.cheer 感到高興感到高興7.7. ones turn ones turn 輪到某人輪到某人8.8. eggs eggs下蛋下蛋9.give 9.give 產生產生; ;分娩分娩10.watch 10.watch 當心當心; ;提防提防 ininfromfromoutoutnow

6、nowoutoutupupininlaylaybirthbirthtotooutoutforfor句句型型整整理理 1.The earth became so violent that it was not clear _1.The earth became so violent that it was not clear _ the shape would last the shape would last . . 地球變得如此激烈動蕩以至于不知道這個固體形狀是否會繼續下去。地球變得如此激烈動蕩以至于不知道這個固體形狀是否會繼續下去。2.This produced a chain react

7、ion,which 2.This produced a chain reaction,which . . for life to develop. for life to develop. 這就產生了一系列的反應這就產生了一系列的反應, ,使得生命發展成為可能。使得生命發展成為可能。3.But when I tried to step forward,I found I was carried 3.But when I tried to step forward,I found I was carried on the earth and fell over. on the earth and

8、 fell over. 而當我試圖向前邁步的時候而當我試圖向前邁步的時候, ,我發覺我被送出去很遠我發覺我被送出去很遠, ,步子的跨度竟是步子的跨度竟是 在地球上的兩倍在地球上的兩倍, ,因而我摔倒了。因而我摔倒了。 whetherwhetherorornotnotmademadeititpossiblepossibletwicetwiceasasfarfarasas考點知識考點知識導練導練 解疑難解疑難提知能提知能1.exist vi.1.exist vi.存在存在; ;生存生存歸納拓展歸納拓展exist onexist on靠靠為生為生exist inexist in存在于存在于之中之中T

9、here exist.There exist.有有;存在存在come into existencecome into existence產生產生; ;成立成立; ;開始存在開始存在 高考運用高考運用: :語法填空語法填空They cannot exist They cannot exist such a small income.such a small income.No one knows how this world came into No one knows how this world came into (exist).(exist).答案答案: :ononexistenceex

10、istence特別提示特別提示: :existexist是不及物動詞是不及物動詞, ,沒有被動語態沒有被動語態, ,也不用于進行時態。也不用于進行時態。2.in time2.in time及時及時; ;終于終于; ;總有一天總有一天歸納拓展歸納拓展on timeon time準時準時; ;按時按時in no timein no time立即立即; ;馬上馬上at a timeat a time一次一次; ;每次每次at one timeat one time曾經曾經; ;一度一度at timesat times有時有時 高考運用高考運用: :完成句子完成句子Im just so glad I

11、was there Im just so glad I was there ( (及時及時) to help my son.) to help my son.( (20182018全國全國,完形填空完形填空)The company fired him for not coming to work The company fired him for not coming to work ( (按時按時).).He can eat 5 pancakes He can eat 5 pancakes ( (每次每次).).答案答案: :in timein timeon timeon timeat a

12、timeat a time3.prevent.from.3.prevent.from.阻止阻止;制止制止歸納拓展歸納拓展stop sb.(from) doing sth.stop sb.(from) doing sth.阻止某人做某事阻止某人做某事keep sb.from doing sth.keep sb.from doing sth.阻止某人做某事阻止某人做某事protect tect sb.from.保護某人不受保護某人不受侵襲侵襲keep sb.doing sth.keep sb.doing sth.讓某人一直做某事讓某人一直做某事 高考運用高考運用: :語法填空

13、語法填空If you like,a squeeze of fresh lemon juice on the bananas will If you like,a squeeze of fresh lemon juice on the bananas will prevent them prevent them (turn) brown.(turn) brown.(20182018全國全國,閱讀理解閱讀理解B B)Wear more clothes to protect yourself Wear more clothes to protect yourself the cold.the col

14、d.答案答案: :turningturningfromfrom特別提示特別提示: :prevent/stop sb.(from) doing sth.prevent/stop sb.(from) doing sth.中的中的fromfrom可以省略可以省略, ,而而keep keep sb.from doing sth.sb.from doing sth.中的中的fromfrom不能省略。不能省略。4.now (that) 4.now (that) 既然既然 now that now that相當于相當于since,since,是連詞詞組是連詞詞組, ,用來引導原因狀語從句用來引導原因狀語從句

15、, ,口語中經常省略口語中經常省略 that, that,只用只用now,now,這時這時nownow已經失去了已經失去了“現在現在”的含義。的含義。 歸納拓展歸納拓展其他引導原因狀語從句的連詞其他引導原因狀語從句的連詞: :because because 因為因為;since ;since 既然既然, ,因為因為;as;as由于由于 高考運用高考運用: :翻譯句子翻譯句子既然我恢復了健康既然我恢復了健康, ,我就可以繼續工作了。我就可以繼續工作了。 _ _既然你已經長大了既然你已經長大了, ,你可以自己做決定了。你可以自己做決定了。 _ _答案答案: :Now that I am well

16、again,I can go on with my work.Now that I am well again,I can go on with my work.Now Now that youve grown up,you can make up your mind by yourself.that youve grown up,you can make up your mind by yourself.5.break out(5.break out(戰爭、火災等戰爭、火災等) )突發突發; ;爆發爆發歸納拓展歸納拓展break away (from sb./sth.)break away

17、(from sb./sth.)脫離脫離( (政黨等政黨等););打破打破( (陳陳 套等套等) )break downbreak down出故障出故障, ,拋錨拋錨;(;(計劃等計劃等) )失敗失敗;(;(身體、精神等身體、精神等) ) 垮掉垮掉; ;打倒打倒, ,砸破砸破;(;(化合物等化合物等) )分解分解break up break up 打碎打碎; ;解散解散; ;結束結束break into break into 強行闖入強行闖入; ;突然開始突然開始( (笑、唱等笑、唱等) ) 高考運用高考運用: :完成句子完成句子When did the First World War When

18、 did the First World War ( (爆發爆發)?)?My car My car ( (出故障出故障) on the way,so I was late for work.) on the way,so I was late for work.Last night a thief Last night a thief ( (強行進入強行進入) my house.) my house.答案答案: :break outbreak outbroke downbroke downbroke intobroke into6.cheer up6.cheer up感到高興感到高興; ;感到

19、振奮感到振奮歸納拓展歸納拓展cheer sb.upcheer sb.up使某人高興使某人高興/ /振奮振奮cheer.on cheer.on 為為加油加油cheer for.cheer for.為為歡呼歡呼Cheers! Cheers! 干杯干杯! ! 高考運用高考運用: :翻譯句子翻譯句子聽到他被清華大學錄取的時候聽到他被清華大學錄取的時候, ,我們歡呼起來。我們歡呼起來。 _ _他們的工作是鼓舞參賽者。他們的工作是鼓舞參賽者。 _ _答案答案: :We all cheered up at the news that he was admitted into We all cheered u

20、p at the news that he was admitted into Qinghua University.Qinghua University.Their job was to cheer on the competitors.Their job was to cheer on the competitors.巧學助記巧學助記7.This produced a chain reaction,which made it possible for life 7.This produced a chain reaction,which made it possible for life

21、to develop. to develop. 這就產生了一系列的反應這就產生了一系列的反應, ,使得生命發展成為可能。使得生命發展成為可能。歸納拓展歸納拓展句中使用了句中使用了“make+make+賓語賓語+ +賓語補足語賓語補足語”結構。即結構。即: : make+ make+賓語賓語+ +賓語補足語賓語補足語當該結構中的賓語是不定式短語或從句時當該結構中的賓語是不定式短語或從句時, ,多用多用itit作形式作形式 賓語賓語, ,而把不定式短語或從句后置而把不定式短語或從句后置, ,即即make+it+make+it+賓語補足賓語補足 語語+ +不定式短語或從句。不定式短語或從句。 to名詞或形容詞不帶 的不定式過去分詞介詞短語高考運用高考運用: :語法填空語法填空Mastering the technology makes it possible for us Mastering the technology makes it possible for us (use) (use) the Internet more effectively. the Internet more effectively.She tried to make herself She tried to make herself (understa