人教版高中英語必修3-第四單元-using-language-課件

必修三Unit4Astronomy：thescience

ofthestars必修三Unit4Astronomy：thesciencUsingLanguageUsingLanguageavisittothemoonReading2avisittothemoonReading2spaceshippullfloatgravityescapeweightn.宇宙飛船n.&vt.(拉）力；拖；牽引力vi.&vt.（使）浮動或漂浮n.漂浮物n.萬有引力；重力vi.&vt.逃脫；逃避n.重量；體重Wordspreviewspaceshipn.宇宙飛船Wordspreview

cheerupnowthatbreakoutwatchout(for…)escapedoing…

感到興奮；感到高興既然突發(fā)；爆發(fā)密切注視；當心；提防逃避做…cheerup感到興奮；感到高興spacewalk★Lookatthepictures!★spacewalk★LookatthepicturesMan-madesatelliteMan-madesatellite

人教版高中英語必修3-第四單元-using-language-ppt課件Para11.WhodoIhaveachancetotraveltothemoonwith?2.Howdidwetraveltothemoon?LiYanpin,anastronomerbyspaceshipPara11.WhodoIhaveachanceReadPara.2and3;fillintheform.OntheearthInspaceOnthemoonThegravityTheweightverystrongdisappearedverylightveryheavynoweightandcouldfloataroundlikeafeatheraboutone-sixthofhisweightontheearthReadPara.2and3;fillinthePara.4ReturningtotheearthBecausefirebrokeoutontheoutsideofthespaceshipastheearth’sgravityincreased.1.Whywasreturningtotheearthveryfrightening?2.HowdidIfeel?Iwasveryexhaustedbutveryexcitedtoo.Para.4ReturningtotheearthLanguagepoints1…becausewearetryingtoescapethe

pulloftheearth’sgravity.

pulln.拉；拖；扯

Hegaveapullontherope.他拉了一下繩子。

(自然）引力

themoon'spullonthesea月球?qū)Ｑ蟮囊anguagepoints1…becausewea2.Icheeredupimmediatelyandfloatedweightlesslyaroundinourspaceshipcabinwatchingtheearthbecomesmallerandthemoonlarger.cheerup:使感到振奮,感到高興Shetriedtocheerupthedisappointedchildwhenhefailedtowinthegame.2.Icheeredupimmediatelyanfloat:浮動，漂浮

Woodfloatsonwater.

木頭漂浮在水上。Afeatherfloateddownonthewind.

一根羽毛隨風飄落。floatoff(擱淺的船)浮起float:浮動，漂浮1).“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”

3.ButwhenItriedtostepforward,IfoundIwascarriedtwiceasfarasontheearthandfellover.

1).“A+be+倍數(shù)+as+形容詞原級+TheYangtzeRiverisalmosttwicelongerthanthePearlRiver.

長江差不多比珠江長兩倍。

Thenumberofstudentsinourschoolisthreetimeslargerthanthatintheirs.

我們學校的學生數(shù)量比他們學校的多三倍。TheYangtzeRiverisalm

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。

3).“A+be+倍數(shù)+the+名詞4.Walkingdoesneedabitofpracticenowthatgravityhaschanged.nowthat,既然NowthatIamfree,Icanenjoymusicforawhile.

既然有空，我可以享受一下音樂。

nowthat同since相似，語氣較弱，強調(diào)人們已知的事實。4.Walkingdoesneedabitof5.Wewatched,amazedasfirebrokeoutontheoutsideofthespaceshipastheearth’sgravityincreased.breakout

它與happen,takeplace,comeout等詞是不及物動詞，不能帶賓語，不能用于被動語態(tài)。5.Wewatched,amazedasfi1)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。1)戰(zhàn)爭爆發(fā)3)(火災)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3)(火災)發(fā)生