高一英語課件：unit4-a-visit-to-the-moon教學(xué)教材

高一英語課件：Unit4-A-visit-to-the-moonrocket1.Whohadachancetotraveltothemoon?2.Howdidtheytraveltothemoon?3.Wasthereanythingchangedontheirjourney?Questions

4.Howmanytimeswouldtheforceofgravitychangeontheirjourney?When?Whichchangewouldbethemostpowerful?Whatabouthisweight?Questions

OnthemoonThechangeofgravityInspaceVerystrongDisappeared

VerylightLeavetheearthOntheearthInspaceOnthemoonTheweightchangedHebecameveryheavy.Hehadnoweightandcouldfloatweightlesslyaroundintheirspaceship.Hewasaboutone-sixthofhisweightontheearth.Readthepassageandfillintheform.5.whathappenedtohimwhenhetriedtostepforward?6.whywasreturningtotheearthveryfrightening?7.Howdidhefeel?Questions

LastmonthIvisitedthemoonwithmyfriend.Beforeweleft,Iwastoldtheforceofg_____wouldchangethreetimesonourjourney.Thenwetookoff.Aswelefttheearth,Ibecameveryh_______.Graduallytheweightl_______.WhenIwasinspace,itd__________.Wef_______weightlesslyinthecabinandIc________.WhenIwasonthemoon,Iwassurprisedtofindoutevenwalkingneedslotsofpracticen______gravitychanged.Thereturningoftheearthwasveryf_________.Wewereamazedtowatchfireb________ontheoutsideoftheship.gravityheavylesseneddisappearedfloatedcheeredupnowthatfrighteningbreakoutFillintheblanksDiscussion?Ifyouwanttovisitthemoon,whatthingsyoumustprepareandwhatkindsofqualitiesyoushouldhave?1.LastmonthIwasluckyenoughtohaveachancetomakeatripintospacewithmyfriendLiYanping,anastronomer.

上個月我有幸得到一個機(jī)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）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。2）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,fastenough,quicklyenough等。但一般不說：enoughlong,enoughfast,enoughquickly.Theboyisoldenoughtogotoschool.這孩子到上學(xué)的年齡了。3）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.alongenoughholiday2.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。

與off相關(guān)的短語:see...off送行jumpoff跳下

giveoff散發(fā)showoff炫耀getoff下車takeoff脫下turnoff關(guān)閉payoff付清；還清3.Whenwegetclosertothemoon,weshallfeelitsgravitypullingusbutitwillnotbeasstrongapullastheearth’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.4.cheerup:歡呼，喝彩，感到高興，使高興。當(dāng)看到球隊的到來，人群歡呼起來。_____________________whentheysawtheteamarrive.他帶她去聽音樂會來使她高興。Hetookher_____________to____________.Thecrowdcheereduptotheconcertcheerherup1).“A+be+倍數(shù)+as+形容詞原級+as+B”.

Thistreeisthreetimesastallasthatone.Hisfatheristwiceasoldashe.5.ButwhenItriedtostepforwardIfoundIwascarriedtwiceasfarasontheearthandfellover.

2).“A+be+倍數(shù)+形容詞比較級+than+B”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(kuò)建的廣場是未擴(kuò)建時的四倍大。

經(jīng)過實驗，這種細(xì)胞已經(jīng)變得有那種細(xì)胞的三倍大了．1.Aftertheexperiment,thiscellhasbecomethreetimesaslargeasthatone.2.Aftertheexperiment,thiscellhasbecometwicelargerthanthatone.3.Aftertheexperiment,thiscellhasbecomethreetimesthesizeofthatone.6....“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(qiáng)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。Nowthateveryoneishere,let’sstartwork．7.Wewatched,amazedasfirebrokeout

ontheoutsideofthespaceshipastheearth’sgravityincreased.amazed是過去分詞，此處做狀語用

他進(jìn)來的時候沒有人注意到.Hecamein_________.breakout(戰(zhàn)爭,爭吵,疾病等)爆發(fā)unnoticed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。與break相關(guān)的短語:breakdown

打破;毀掉;破除;坍塌;壞掉breakin

破門而入;打斷breakawayfrom脫離政黨;打破陳規(guī)

breakthrough突圍;突破breakup打碎;拆散;分裂;分解breakone'sword/promise食言;說話不算數(shù)translation1．太陽系_____________2．及時，總有一天_____________3．阻止，制止______________4．依靠，信賴______________5．感到高興______________6．既然，由于______________7．蔓延______________8．一般而言______________9．除了---之外還______________10.作一次太空旅行______________solarsystemintimepreventfromdependoncheerupnowthatspreadgenerallyspeakingaswellasmakeatripintospace11．熟悉，掌握_____________12．突發(fā)，爆發(fā)_____________13．增多，使繁殖_____________14．大氣層，氣氛_____________15．隨著時間的流逝____________16．與…不同______________17．冷卻_______________18．失重地________________19．全球變暖________________20．地心引力_________