2023學(xué)年完整公開課版4AstronomythescienceofthestarsUsingLanguage3

Usinglanguage:readingUnit4Astronomy:

thescienceofthestarsspacewalkLookatthepictures!ReadandthendescribethethreewaysinwhichgravitychangedforLiYanpingandhowhisweightchanged.Thepullofgravitybecameverystrongshelefttheearth’satmosphere.Hisweightisnormal.2.

Itdisappearedwhenhewasinspace.Heis

weightless.3.

Itwasverylightwhenhewasonthemoon.He

weighslessthanonearth.

1.LastmonthIwasluckyenoughtohaveachancetomakeatripintospacewithmyfriendLiYanping,anastronomer.

上個月我有幸得到一個機會同我的朋友，一位宇航員李彥平一道去太空旅行。Languagepoints

enough的用法:

1）用作代詞：作主語或賓語。

Youhavedonemorethanenough.

你已做得夠多了。

Ihavehadenough.Thankyou.

我吃的已經(jīng)夠多的了，謝謝。

2）形容詞作定語：enough用在名詞前、后都可以。

Ihaveenoughtimetodothework./Ihavetimeenoughtodothework.

我有足夠的時間做此項工作。

3）用作副詞修飾形容詞或副詞表示程度:enough

一般放在形容詞或副詞的后邊。longenough,easyenough,fastenough,quicklyenough等。但一般不說：enoughlong,enougheasy,enoughfast,enoughquickly.Theboyisoldenoughtogotoschool.這孩子到上學(xué)的年齡了。Hecouldn’trunquicklyenoughtocatchupwiththecat.

他跑的速度太慢，追不上貓。

4）用作副詞修飾動詞時也需放在動詞之后。

Themeatisnotcookedenough.

肉燉得不夠熟。IfIhad_____________________(足夠長的假期),I’dvisitEurope,stoppingatallthesmallinterestingplaces.(alongenoughholiday/anenoughlongholiday)

2.Thenwewere

off.

隨后我們就啟程了。

beoff=setoff出發(fā)；動身

Iamofftoday.

我今天不用上班。

Weare

offtoday.

今天我們不上班/今天我們不開張。

set...off送行

kickoff踢球

jumpoff跳下

giveoff散發(fā)

showoff炫耀shutoff關(guān)閉getoff下車takeoff脫下turnoff關(guān)閉payoff付清；還清與off相關(guān)的短語:3.Whenwegetclosertothemoon,weshallfeelitsgravitypullingus,butitwillnotbeasstrongapullastheearth’s.

當(dāng)我們更接近月球時,就會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。getcloseto

靠近，接近，指動態(tài)變化

becloseto

距......近，指狀態(tài)

Theschoolisclosetothepostoffice.與get相關(guān)的短語:getalong相處融洽，進展等getdownto

開始認真對待，開始認真考慮geton上車getthrough到達；通過；辦完，花光(錢、時間等)。getto到達Don’ttalktoomuch.Let’s___________working.2.Hurryup,orwe’llbelateto______thebus.3.It’seasyto_______thedifficulty.4.Ihave____________alotofpapers.5.Shemanagedto______thevillage.getdowntogetongetovergotthroughgettogetdownto;geton;getthrough;getto;getover;getup1).“A+be+倍數(shù)+as+形容詞原級+as+B”.Thistreeisthreetimesastallasthatone.Hisfatheristwiceasoldashe.2).“A+be+倍數(shù)+形容詞比較級+than+B”4.ButwhenItriedtostepforward,IfoundIwascarriedtwiceasfarasontheearthandfellover.TheYangtzeRiverisalmosttwicelongerthanthePearlRiver.

長江差不多比珠江長兩倍。

Thenumberofstudentsinourschoolisthreetimeslargerthanthatintheirs.我們學(xué)校的學(xué)生數(shù)量比他們學(xué)校的多三倍。

3).“A+be+倍數(shù)+the+名詞(size,length,amount)+of+B”Thenewlybroadenedsquareisfourtimesthesizeofthepreviousone.

新擴建的廣場是未擴建時的四倍大。—Doyouregret_______(pay)100dollarsforthepainting?—No,Iwouldgladlyhavepaid__________(兩

倍那么多了)forit.

(paying;twiceasmuch)

講解:regret后跟動名詞的一般式、完成式和不定式的完成式都表示對過去做過的事情感到后悔，跟不定式一般式表示對即將做的事情感到遺憾，常用來表達委婉。twiceasmuch為倍數(shù)的表達法，在這里為省略形式，相當(dāng)于twiceasmuchasthat。5....“walkingdoesneedabitofpracticenowthatgravityhaschanged.”......既然引力改變了，走路也的確需要練一練了。

nowthat同since相似，語氣較弱，強調(diào)人們已知的事實。Translation:1.既然你忙,就讓我給你做吧。Nowthatyouarebusy,letmedoitforyou.2.既然人都齊了,咱們開始干吧。Nowthateveryoneisherelet’sstartwork．6.Wewatched,amazedasfirebrokeoutontheoutsideofthespaceshipastheearth’sgravityincreased.breakout

它與happen,takeplace,comeout等詞的用法一

樣，是不及物動詞，不能帶賓語，不能用于被

動語態(tài)。

1)戰(zhàn)爭爆發(fā)

TheAmericanCivilWarbrokeoutin1861.

美國內(nèi)戰(zhàn)爆發(fā)于1861年。

2)發(fā)生爭吵

Aquarrelbrokeoutbetweenthem.

他們之間發(fā)生了爭吵。3)(火災(zāi))發(fā)生

A

fire

broke

out

in

his

house

last

night.

昨晚他家里失火了。[考點]

breakout通常指戰(zhàn)爭、疾病、災(zāi)害等的爆發(fā)。不及物動詞短語，不能用于被動語態(tài)。[考例]Iwasstillsleepingwhenthefire____,andthenitspreadquickly.(廣東2006)A.brokeoutB.putoutC.cameoutD.gotout[點撥]

putout撲滅；comeout出來,出版；getout（使）出來。由itspreadquickly（火迅速蔓延）可知選A。breakdown

打破;毀掉;破除;坍塌;壞掉

breakin

破門而入;打斷breakawayfrom脫離;打破陳規(guī)與break相關(guān)的短語:breakthrough突圍;突破;沖垮;克服breakup打碎;拆散;分裂;分解breakone'sword/promise食言;說話不算數(shù)選用方框內(nèi)合適的詞或短語，并用其適當(dāng)形式填空。(其中有一個多余選項)Therewasa_____ofpeoplearoundtheclubentrance.2.Yououghttohaveagoodrest________you’vefinishedthework.massnowthatfloat;nowthat;mass;getthehangof;watchout;pull3.Shespenttheafternoon______onherbackinthepool.4.Itseemsdifficultatfirst,butyou’llsoon_______________it.5.Youhaveto_________becausethereareland-minesallovertheplace.watchoutfloatinggetthehangoffloat;nowthat;mass;getthehangof;watchout;pullII.用適當(dāng)?shù)慕樵~或副詞填空。Comeon.Cheer___!You’renottheonlyonewhofailedinthetest.2.Sincetherearemanyproblemsthatcan’tbesolved,thewarislikelytobreak____.3.LastSaturday,Iwentonavisit____theGreatWallwithsomeofmyfriends.4.Isthereanythingelseyouwouldlikemetoexplain___you?upouttoto5.Watervaporislighter,otherwiseitwouldnotrise_____theair.6.Hisgrandfatherlivesinalonelyvillagewhichisfar_____hishouse.7.Theleavesfall__________thetreesandblowaboutintheautumnwind.8.Asamatteroffact,Ididn’tknowhim____all.intofromfrom/offat9.Makesurethatyourchildrencannotgetclose___pools,lakesandriversbythemselves.10.Hewantstogiveawayallhismodernpossessionsandreturn___nature.totoIII.根據(jù)括號內(nèi)的提示翻譯下列句子。1.老師幽默的講話讓我們很振奮,之后班里的氣氛也