名校聯(lián)盟廣東省化州市實(shí)驗(yàn)高一英語《Unit 4 Astronomy the science of the stars Reading》學(xué)案

一、重點(diǎn)短語1、感到高興_______________

2、既然，由于

__________________3、作一次太空旅行_____________ 4、熟悉，掌握_________________

5、突發(fā)，爆發(fā)

________________ 6、乘宇宙飛船__________________

7、遠(yuǎn)離；遠(yuǎn)非__________________ 8、遠(yuǎn)到；據(jù)……__________________

二、重點(diǎn)句式1、LastmonthI____________________________________atripintospacewithmyfriendLiYanping,anastronomer.

2、Itwas________hard______wecouldnotsayanythingtoeachother.

3、Weare_______farfromtheearthnow_______feelitspull.

4、Icheeredupimmediatelyandfloatedweightlesslyaroundinourspaceshipcabin________theearthbeesmallerandthemoonlarger.

5、________themoon’sgravitywas__________________leavingtheearth’s.

三、語言點(diǎn)學(xué)習(xí)1.pulln.&vt.拉(力);拖;牽引力【原句】______________________________________________________________

_____________________________________________________.(P30)隨著火箭的升空,由于我們?cè)谂昝摰厍虻囊?我們被向后推在座位上。?Hefeltaslightpullathiscoat.他感覺上衣被輕拉了一下。?Shepulledthelittleboygentlytowardsher.她把小男孩輕輕地拉到身邊。Thetrainhasalreadypulledin.火車已經(jīng)進(jìn)站了。?Pulloffyourglovesquickly.快摘下你的手套。?Thedriverpulledupatthegateofourschool.司機(jī)把車停在我們校門口了。練一練：填入恰當(dāng)?shù)母痹~①Thebushadpulled_______beforetheoldmancouldgetonit.②Theypulled_______myoldhouseandbuiltfivenewones.③Thetrainpulled_______exactlyontime.④Hepulled_______hiscoatandjoinedusinthework.⑤Hesucceededinpulling_______thedifficulty.2.cheerup感到高興;感到振奮;高興起來;振奮起來【原句】______________________________________________________

_____________________________________________________.(P31)我立刻感到很高興,由于失重我在太空艙里飄來飄去,我望著(身后的)地球越來越小,而(前方的)月球越來越大。?Itriedtocheerherupbytellingherthegoodnews.我把這個(gè)好消息告訴了她,想使她高興起來。?Hecheeredupatthenews.他聽到這消息就高興起來了。?Cheerup!Theresultisn’ttoobad.振作起來吧!這結(jié)果還不算太壞。?The________newsmadethe________boy_______,whichmadehisparents_______too.這個(gè)令人鼓舞的消息使得這個(gè)不愉快的小男孩高興起來,他的父母也感到高興。【練一練】：完成句子①我一答應(yīng)幫忙,他立即高興起來。He______________atoncewhenIpromisedtohelphim.②請(qǐng)到運(yùn)動(dòng)會(huì)場(chǎng)為我們隊(duì)助威。Pleaseetothesportsmeetingto_______ourteamon.③這位快樂的女孩臉上總是掛著甜甜的笑。The_______girlalwayswearsasweetsmileonherface.3.floatvi.&vt.(使)浮動(dòng);(使)漂浮n.漂浮物(P31)?Whenyou’retiredofswimming,justfloatforawhile.你游累了就漂浮一會(huì)兒。?Therewasnotenoughwatertofloattheship.水太淺,船浮不起來。拓展floaton/upon在……上漂浮floatin在……中漂浮floatinto/through慢慢產(chǎn)生（想法）floatabout/around飄落；（思想等）傳播；流傳floatingadj.流動(dòng)性的；漂浮的；漂流的?Apieceofwoodisfloatingontheriver.一塊木頭在河上漂浮著。?Anideafloatedthroughhismind.一個(gè)念頭從他頭腦中閃過。?Someleaveswerefloatingaboutonthestilllake.樹葉飄落在平靜的湖面上。【即學(xué)即練】：完成句子①我快睡著時(shí)產(chǎn)生了奇怪的念頭。Strangethoughts____________mymindwhenIwasnearlyasleep.②我們望著白云在天空中飄動(dòng)。Wewatchedtheclouds___________thesky.③一葉扁舟漂浮在靜靜的湖面上。Askiffis____________thestilllake.4.nowthat既然【原句】______________________________________________________

__________________.（P31）“天哪,”我大聲說,“既然重力改變了,看來走路也的確需要練一練了?！秉c(diǎn)撥：nowthat“既然”引導(dǎo)原因狀語從句，相當(dāng)于since，其中的that可以省略。?Now(that)theweatherisfine,let’sgoforapicnic.既然天氣那么好,我們?nèi)ヒ安桶伞?Nowthatyouhavefinishedyourwork,you’dbetterhavearest.既然你的工作已經(jīng)做完了,最好休息一下吧。拓展：nowthat/since/because/as/for都可引導(dǎo)原因狀語從句，語氣最強(qiáng)的是because，引導(dǎo)直接而明確的原因，也用來回答why的問句或用于強(qiáng)調(diào)句型；其次是since/nowthat，表示已知或明顯的原因，再次是as，引導(dǎo)的原因是不言而喻、顯而易見的；for為并列連詞引導(dǎo)的是并列分句，表推測(cè)或判斷的原因，補(bǔ)充說明原因，前面有逗號(hào)隔開，不能置于句首?！揪毩?xí)】根據(jù)句子的意思在括號(hào)里填入適當(dāng)?shù)脑~。1)._______everybodyishere,let’sbeginourmeeting.2)Itwas_______hewasillthathedidn’tgotoschool.3).Itmusthaverainedlastnight,_______thegroundisallwet.4)._______wearealone,wecanspeakfreely.【思考提示】dueto 因……引起;歸因于……thanksto 由于,多虧becauseof 因?yàn)閍saresultof 由于;作為……的結(jié)果onaccountof 因?yàn)?由于【即學(xué)即練】：完成句子Yououghttohaveagoodrest___________________________________________.

(既然已完成了工作).②____________________________________________(既然你已得到了這個(gè)機(jī)會(huì)),youshouldmakegooduseofit.5.breakout突發(fā);爆發(fā)【原句】______________________________________________________

____________________________________.(P31)我們驚奇地看著,隨著地球引力的增加,宇宙飛船的外層燃燒起來。點(diǎn)撥breakout不能用于被動(dòng)語態(tài)但可用于完成時(shí)態(tài)。強(qiáng)調(diào)（戰(zhàn)爭(zhēng)、疾病、火災(zāi)）等的突然爆發(fā)?Afightingbrokeoutbetweenthegovernmentanditsrebels.政府與反政府武裝之間發(fā)生了一場(chǎng)戰(zhàn)斗。拓展：[短語歸納]break短語：breakawayfrom脫離（黨派）；擺脫（控制） breakdown毀掉；壞掉；(計(jì)劃/談判)失敗breakup打碎；拆散；(會(huì)議)結(jié)束；分裂(解體) breakintosth.強(qiáng)行進(jìn)入某處 breakone’sword/promise食言；說話不算數(shù)?Hebrokeintomyhouseandstolemymoney.他闖進(jìn)我家偷了我的錢。?Ourplanshavebrokendown.我們的計(jì)劃失敗了?！炯磳W(xué)即練】：填入正確的break短語①Abigfire__________inthebuildinglastnight.②Themeeting__________at6o’clock.③Talksbetweenthetwosideshave__________.④Theprisoner_______________thepolicemenandescaped.四、難句剖析1.Whenwegetclosertothemoon,weshallfeelitsgravitypullingus,butitwillnotbeasstrongapullastheearth’s.(P31)當(dāng)我們更接近月球時(shí),就會(huì)感到月球的引力在拉我們,但是,月球的引力不像地球的引力那么大。此句為主從復(fù)合句。when引導(dǎo)時(shí)間狀語從句,主句為并列連詞but前后的兩個(gè)分句。asstrongapullastheearth’s為“as...as...”句式。as...as...“像……一樣……”。否定句中用notso...as...。在否定句中也可改為notas...as...。(1)as...as...結(jié)構(gòu)為形容詞副詞的原級(jí)比較,即:as+adj./adv.+as...。(2)若此結(jié)構(gòu)中的形容詞修飾可數(shù)名詞單數(shù)時(shí),則需表達(dá)為:as+adj.+a/an+可數(shù)名詞單數(shù)+as...。(3)若此結(jié)構(gòu)中的形容詞修飾可數(shù)名詞復(fù)數(shù)或不可數(shù)名詞時(shí),則需表達(dá)為:as+adj.+可數(shù)名詞復(fù)數(shù)/不可數(shù)名詞+as...。?Heisascleverashisbrother.他和他的哥哥一樣聰明。?Heisascleveraboyashisbrother.他和他的哥哥一樣是個(gè)聰明的孩子。?Igotasmuchinformationashedid.我和他得到的信息一樣多?！炯磳W(xué)即練】：完成句子①盡管這本書并不像我們期盼的那樣好,但是仍然值得讀一讀。Thoughthisis____________________asweexpected,itisstillworthreading.②她是個(gè)非常聰明的姑娘,我們都喜歡她。She____________________,andwealllikeher.2.ButwhenItriedtostepforward,IfoundIwascarriedtwiceasfarasontheearthandfellover.(P31)但當(dāng)我試圖往前走時(shí),我發(fā)現(xiàn)自己被帶到一個(gè)相當(dāng)于地球上兩倍遠(yuǎn)的地方并且摔倒了。點(diǎn)撥：此句為主從復(fù)合句。when引導(dǎo)時(shí)間狀語從句,主句中“twiceasfaras”為倍數(shù)表達(dá),意為“是……的兩倍遠(yuǎn)”。asfaras...“遠(yuǎn)到……”。英語里常見的倍數(shù)表達(dá)法有:[解釋]twiceas...as...“是……的兩倍”，英語常見倍數(shù)的表示句型：1).倍數(shù)+as+adj./adv.+as“是……的幾倍”Myroomistwiceaslargeashis.2).倍數(shù)+adj./adv.比較級(jí)+than“比……(多/大)幾倍”Myroomistwicelargerthanhis.3).倍數(shù)+the+表示長(zhǎng)度/高度/寬度等的名詞+of“是……的長(zhǎng)度/高度/寬度幾倍”Myroomistwicethesizeofhis.其中的“兩倍”用twice,三倍或三倍以上的用“基數(shù)詞+times”表達(dá)。?Theirnewapartmentisthreetimeslargerthantheiroldone.=Theirnewapartmentisfourtimesthesizeoftheiroldone.他們的新公寓比舊公寓大三倍?！炯磳W(xué)即練】：完成句子①Thelibraryissobigthatitcontains_________________.(兩倍的書)asthatone.②Theroomis____________________(四倍于)thantheirs.3、....walkingdoesneedabitofpracticenowthatgravityhaschanged.(P31)……既然重力改變了,看來走路也的確需要練一練了。點(diǎn)撥：此句為主從復(fù)合句。nowthat引導(dǎo)原因狀語從句,而主句謂語用助動(dòng)詞does來強(qiáng)調(diào)?！炯磳W(xué)即練】：完成句子①Ifyouhaveajob,___________________(一定要