【名師大講堂】高考英語一輪總復習 Unit4 Astronomy：the science of the stars 新人教必修3

Astronomy：thescienceofthestars編輯ppt1.preventsb.fromdoingsth.

stopsb.fromdoingsth.

keepsb.fromdoingsth.阻止某人做某事注意：prevent…from…和stop…from…中的from在主動語態(tài)中有時可以省略，但在被動語態(tài)中不可??；keep…from…中的from則無論在任何情況下都不可省略。編輯ppt按照句子意思在橫線上填入適當的詞。①Theycouldn’t

laughingwhiletheywereplayinggames.②Wehadtoworkforhoursto_____________theshipgoingdown.stopstop/prevent編輯ppt2.nowthat既然=since

Nowthat(=Since)shehasajobinFranceshecangratifyherdesiretoseeEurope.既然現在她在法國工作，那就可以滿足她游覽歐洲的愿望了。

NowthatI’vepaidthetaxdemandandthechildren’sschoolfees,I’llbehead-over-heelsindebtforthenextsixmonths.由于我已繳了應納的稅和孩子們的學雜費，在以后的６個月中我將債臺高筑。編輯ppt翻譯下面的句子。①既然你長大了,就不應該依靠你的父母。

________________________________

________________________________②既然大家都到了，那么就開始會議吧。

____________________________________________________Now(that)youaregrownup,youshouldnotrelyonyourparents.Sinceeveryoneishere,let’sbeginthemeetingnow.編輯ppt3.與break相關的詞組：(1)breakdowna.(機器壞)出故障；

b.汽車拋錨；

c.談判破裂了；

d.人身體垮了①Owingtooverworkdayandnight,thewomanfinallybrokedown.(d)②Thepeacetalksbrokedownwithoutanyagreementreached.(c)③Toourdespair,ourcarbrokedownhalfwayonthehighway.(a)(2)breakoffa.（使）突然結束，中斷；

b.結束/暫停工作；編輯pptc.（使）折斷①Webrokeofftohaveacupoftea.(b)②Thetwocountrieshavebrokenoffdiplomaticrelations.(a)③Ibrokeoffapieceofchocolateandgaveittothelittleboy.(c)(3)breakupa.結束，驅散；b.分離，斷絕關系；編輯ppt

c.（學校或學生）開始放假①WhatwillhappentothechildrenifMaryandTombrokeup?(b)②Thepolicehadtoemployforcetobreakupthecrowd.(a)③OurschoolbegantobreakuponTuesday.(c)(4)breakawayfrom脫離；逃脫；與……斷絕來往/改變某種習慣(5)breakin闖入；插話(6)breakout(戰(zhàn)爭等)爆發(fā)；逃出(無被動式)(7)breakthrough突破；突圍編輯ppt（1）分別給①②③的句子中關于break的詞組標上恰當的意思。（2）用與break相關的詞組填空。①Theirfriendship

becausetheyhadafight.②Burglars

whilewewereawayonholiday.③Pleasedon’t

onourconversation.④AsthePresident’scararrived,thecrowd__________loudapplause.brokeupbrokeinbreakinbrokeinto編輯ppt⑤Scientistshopeto

soonintheirsearchforacureforthistypeofcancer.⑥Aterriblewar

inhiscountryandcausedmillionsofthousandsofdeath.breakthroughbrokeout編輯ppt4．【辨析】intime和ontime區(qū)別：(1)intime及時，遲早，意指正趕上時候或恰在需要的時候；或者解釋為“終有一天，最終”。

Theysentthemailtomejustintime,beforeIleft.他們正好及時地發(fā)郵件給我，在我走之前。

Intimetheycametoaccepttheharshfacts.他們最終承認了嚴酷的事實。編輯ppt(2)ontime準時，按時Thetrainarrivedontime.火車準時到達。與time相關的其它詞組：allthetime始終timeaftertime一次又一次地；重復地timeandagain一次又一次；重復地fromtimetotime有時；偶爾；時常innotime(atall)立刻；趕快；馬上keeptime(鐘表)走得準manyatime常常；多次編輯ppt按照句子意思在橫線上填入適當的詞組。①Williamandhisfriendarrivedatthetheatrejust

fortheplaywastobeon.②Being

isoneofthedisciplinesofasuccessfulman.③“Dobebrave,boy.Iwillonyourside______________.”smiledtheoldman.④Irememberedthatourfamilyusedtovisitmyuncle’s

.intimeontimeallthetimefromtimetotime編輯ppt1.Whatmanyscientistsbelieveisthatthecontinuedpresenceofwaterallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.allowsb.todosth.允許某人去做某事（后接動詞不定式）Myfatherallowedmetogooutforawalkafterfinishingmyhomework.Walkingonthegrassisnotallowed.編輯ppt2.Theyproducedyounggenerallybylayingeggs.bydoing用于說明做某事的手段，方式。如：Idon’tthinkshecanhelphimbyjustgivinghimmoney.

我認為她光靠給錢是幫不了他的。Heusedtomakehislivingbypainting.

他以前是靠畫畫為生。編輯ppt3.Theyareputtingtoomuchcarbondioxideintotheatmosphere,whichpreventsheatfromescapingfromtheearthintospace.他們把過多的二氧化碳釋放到大氣層中，這使得地球上的熱不能釋放到太空中去。prevent…fromdoing阻止某人做某事。如：Hishearttroubledidnotpreventhim(from)goingtoclassthenextday.他的心臟病痛沒能阻止他第二天去上課。Nothingcanpreventtheirplans(from)beingcarriedout.

什么也不能阻止他們的計劃得以實施。編輯ppt4.Whetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.在未來的數百萬年中，生命能否在地球上延續(xù)取決于這個問題能否得到解決。(sth.)