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(dòng)語態(tài)中有時(shí)可以省略，但在被動(dòng)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(dāng)?shù)脑~。①Theycouldn’t

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

Nowthat(=Since)shehasajobinFranceshecangratifyherdesiretoseeEurope.既然現(xiàn)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(yīng)納的稅和孩子們的學(xué)雜費(fèi)，在以后的６個(gè)月中我將債臺(tái)高筑。編輯ppt翻譯下面的句子。①既然你長大了,就不應(yīng)該依靠你的父母。

________________________________

________________________________②既然大家都到了，那么就開始會(huì)議吧。

____________________________________________________Now(that)youaregrownup,youshouldnotrelyonyourparents.Sinceeveryoneishere,let’sbeginthemeetingnow.編輯ppt3.與break相關(guān)的詞組：(1)breakdowna.(機(jī)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(jié)束，中斷；

b.結(jié)束/暫停工作；編輯pptc.（使）折斷①Webrokeofftohaveacupoftea.(b)②Thetwocountrieshavebrokenoffdiplomaticrelations.(a)③Ibrokeoffapieceofchocolateandgaveittothelittleboy.(c)(3)breakupa.結(jié)束，驅(qū)散；b.分離，斷絕關(guān)系；編輯ppt

c.（學(xué)?；?qū)W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(xí)慣(5)breakin闖入；插話(6)breakout(戰(zhàn)爭(zhēng)等)爆發(fā)；逃出(無被動(dòng)式)(7)breakthrough突破；突圍編輯ppt（1）分別給①②③的句子中關(guān)于break的詞組標(biāo)上恰當(dāng)?shù)囊馑?。?）用與break相關(guān)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(shí)，遲早，意指正趕上時(shí)候或恰在需要的時(shí)候；或者解釋為“終有一天，最終”。

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

Intimetheycametoaccepttheharshfacts.他們最終承認(rèn)了嚴(yán)酷的事實(shí)。編輯ppt(2)ontime準(zhǔn)時(shí)，按時(shí)Thetrainarrivedontime.火車準(zhǔn)時(shí)到達(dá)。與time相關(guān)的其它詞組：allthetime始終timeaftertime一次又一次地；重復(fù)地timeandagain一次又一次；重復(fù)地fromtimetotime有時(shí)；偶爾；時(shí)常innotime(atall)立刻；趕快；馬上keeptime(鐘表)走得準(zhǔn)manyatime常常；多次編輯ppt按照句子意思在橫線上填入適當(dāng)?shù)脑~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(dòng)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(rèn)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(jì)劃得以實(shí)施。編輯ppt4.Whetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.在未來的數(shù)百萬年中，生命能否在地球上延續(xù)取決于這個(gè)問題能否得到解決。(sth.)