高中英語新人教版必修第三冊Unit4SpaceexplorationSectionCDiscoveringUsefulStructures課件

SectionC

DiscoveringUsefulStructures&ListeningandTalkingⅠⅡⅢⅠ.知識體系圖解

recyclemusclelackfloatotherwisebeyondsolarsolarsystemcurrentsufficientsoaptowelⅠⅡⅢmicrowavetissuefacilitykeen弄懂;弄清楚;弄明白為了決定做結(jié)婚由于保持健康控制;掌控實(shí)現(xiàn)夢想用……做實(shí)驗(yàn)放棄ⅠⅡⅢⅠⅡⅢⅡ.選詞填空1.They

theirgarbagebecausetheycareabouttheenvironment.

2.Theresearch

solidevidence,andtherefore,itsconclusionsaredoubtful.

3.Canyoutellthepupilswhyshipsareableto

onthesea?

4.Welostourwayinthatsmallvillage.

wewouldhavevisitedmoreplacesofinterest.

5.Ihaven’tseenSarasinceshewasalittlegirl,andshehaschanged

recognition.

otherwise,recycle,lack,beyond,floatrecyclelacksfloatOtherwisebeyondⅠⅡⅢⅢ.用所給動詞的適當(dāng)形式填空M:Ihavesomethinggood1.

(tell)you,Jennifer.

W:What’sit?M:Aftertryingmybest,Igetachance2.

(have)aten-daypaidleave!

W:Wow!HowIenvyyou!Doyouhaveanyplans?M:Parisisagoodplace3.

(go)sightseeing.

W:Youcantakethechance4.

(travel)aroundEurope.AftertravellingFrance,youcanhaveatourofSwitzerlandbytrain.

M:It’sagoodidea,butIthinkthebestway5.

(get)thereisbyplane.

totell

tohavetogototraveltoget重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)1.lack

n.缺乏;短缺vt.沒有;缺乏【課文原句】Astronauts’bonesandmusclescangetveryweakinspaceduetothelackofgravity,sotheyneedtoexerciseeveryday,whichwillhelpthemstayhealthy.在太空中,宇航員的骨骼和肌肉會由于缺乏重力而變得非常脆弱,所以他們每天都需要鍛煉,這會幫助他們保持身體健康?！驹~匯精講】句中的lack是名詞,意為“缺乏”;lack還可作動詞,意為“沒有;缺乏”。Despitehislackofexperience,hegotthejob.他雖然經(jīng)驗(yàn)不足,但還是獲得了這份工作。Welackedconcentrationanditcostusthegoalandthegame.我們注意力不夠集中,結(jié)果丟了球,輸了比賽。Certainvitalinformationislackinginthereport.該報(bào)告缺少某些關(guān)鍵信息。重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)【詞匯拓展】Ifinditquiteboringtochatwiththosewhoare

lacking

inhumour.我覺得和那些缺乏幽默感的人聊天很無聊。Moreandmorehighrisebuildingshavebeenbuiltinbigcitiesfor/through

lack

ofspace.由于缺乏空間,大城市中建造了越來越多的高層建筑?！緶剀疤崾尽縧ack作名詞時常與介詞of連用;作動詞時可作及物動詞直接加賓語(不能用于被動語態(tài)和進(jìn)行時),也可作不及物動詞,后常與介詞for連用;形容詞lacking常與in連用。重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)

重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)【詞匯拓展】有時otherwise可用在隱含的條件句中,句子用虛擬語氣。Wedidn’tknowhistelephonenumber;otherwisewewouldhavetelephonedhim.我們不知道他的電話號碼,否則我們就給他打電話了。Heisoldandsick,otherwisehewouldbeworkingrightnow.他又老又病,否則他現(xiàn)在就要工作了。重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)

重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)3.beyond

prep.在更遠(yuǎn)處;超出【課文原句】Sendingpeopletootherplanetsorevenbeyondthesolarsystemisnotaneasygoaltoachieve.將人類送往其他行星甚至太陽系之外并不是一個容易實(shí)現(xiàn)的目標(biāo)?！驹~匯精講】句中的beyond是介詞,意為“更遠(yuǎn)處;超出”。Theyhavediscoveredstrangelandsbeyondthesea.他們已經(jīng)發(fā)現(xiàn)了海外奇異的土地。Itisbeyondmypowertoarrangethemeeting.安排這樣的會議超出了我的能力。重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)【詞匯拓展】

重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)

重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)1.During

a

spacewalk,astronauts

have

to

move

slowly

so

that

they

can

keep

their

bodies

under

control.在太空行走中,宇航員必須緩慢地移動,這樣他們的身體才能得到控制。【句式剖析】sothat=inorderthat,意為“以便”,引導(dǎo)目的狀語從句,從句中常用may,can,could等情態(tài)動詞。Leaveyouritineraryso

thatwecanreachyouincaseofemergency.請把你的旅行計(jì)劃留下來,以便我們在遇到急事時和你取得聯(lián)系。Herparentspinchedandscrapedso

thatshecouldstudysingingabroad.她父母省吃儉用好讓她出國學(xué)習(xí)聲樂。重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)【句式拓展】sothat也可引導(dǎo)結(jié)果狀語從句,從句中一般沒有情態(tài)動詞。Heworkedhardathislessons,so

thathegainedhighgradesintheexams.他努力學(xué)習(xí),結(jié)果考試獲得了好成績。重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)

重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)2....it

would

take

over

two

years

to

get

to

the

closest

planet,Mars,and

back.……到達(dá)最近的行星,火星,并返回,需要超過兩年的時間?！揪涫狡饰觥縄ttakes/tooksbsometimetodosth.意為“做某事花費(fèi)某人……時間”。It

takesalongtimetogetfromLondontoSydney.從倫敦到悉尼花了很長時間。重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)【句式拓展】It’sgoingtocostmeover100,000dollarstobuyseveralnewtrucks.買幾輛新卡車將花掉我10萬多美元。Ispenttenyuanonthebook/in

buyingthebook.=Thebookcostmetenyuan.=Ipaidtenyuanforthebook.我花了10元錢買這本書。重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)

重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)2.動賓關(guān)系OnSundays,healwayshasalotofletterstowrite.星期天,他總是有許多信要寫。Theteacherleftusalotofproblemstosolve.老師給我們留了許多道題要解答。Hecanfindnoonetomakefriendswith.他找不到可交朋友的人。注意:由于動詞不定式與其修飾的詞之間往往有動賓關(guān)系,因此,如果該不定式是不及物動詞,其后應(yīng)有必要的介詞。Thereisnothingtoworryabout.沒什么可擔(dān)心的。Brownhassomethingimportanttodealwithatpresent.目前布朗有重要的事情要處理。重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)3.同位關(guān)系Hebrokehispromisetowritetohisparentsregularly.他沒有遵守諾言定期給他父母親寫信。Westudentsshouldhavethecouragetofaceanydifficulty.我們學(xué)生應(yīng)該有勇氣面對任何困難。4.修飾關(guān)系Nowitistimetobeginourclass.現(xiàn)在是上課的時間了。Ineedsomewheretotakeanap.我需要一個地方打個盹。Isthatthewaytoopenthecan?那就是打開罐頭的方法嗎?重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)二、動詞不定式作狀語

重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)Ⅰ.單詞拼寫1.Keepyour

(肌肉)strongandithelpsyoutoavoidbackproblems.

答案:muscles2.Onlywhenagricultureisfullydevelopedcanindustryhave

(足夠的)materialsandmarkets.

答案:sufficient3.Somethingmustbedonetochangeour

(當(dāng)前的)examinationsystem.

答案:current重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)重點(diǎn)詞匯重點(diǎn)句式重點(diǎn)語法隨堂練習(xí)Ⅱ.完成句子1.She