Unit5WorkingtheLandLanguagepoints課件高中英語(yǔ)人教版選擇性

Unit5Languagepointsof

UsinglanguageSubjectClause主語(yǔ)從句(1)Itmakesnodifference

yousupportmyplanornot.(2)

youdoshoulddonoharmtoothers.(3)Itissuggested

thework（should）bedonewithgreatcare.(4)

（誰(shuí)將去接他）isnotdecided.(5)

（哪個(gè)班級(jí)會(huì)贏得這場(chǎng)足球賽）isnotclear.(6)

（他能否買(mǎi)到飛機(jī)票）doesn’tmattermuch.(7)

（我們將如何去那里）isaquestion.(8)

（你剛才告訴我的）wasreallyasurprise.(9)

（他什么時(shí)候出國(guó)）isbeingdiscussed.(10)

（他為什么哭）isnotclear.whetherthatWhateverWhowillpickhimupWhichclasswillwinthefootballmatchWhetherhecanbuytheplaneticketHowwewillgothereWhatyoutoldmejustnowWhenhewillgoabroadWhyhecries(1)

（一定的）weshallbelate.(2)

(明顯的)thatthedrivercouldnotcontrolhiscar.(3)Isitpossiblethatthey

（come）tomorrow?(4)

（很顯然）heistellingthetruth.(5)

(令她有點(diǎn)擔(dān)心的是)herhairwasturninggrey.(6)

（使我震驚的是）methatPeterdidn’ttellanybodywherehewas.(7)

（都沒(méi)有關(guān)系）whetherhelikesitornot.(8)

（結(jié)果是）wewerewrong.ItworriedherabitthatItturnedoutthatItwasobviouswillcomeItisclearthatItshockedmethatItdoesn’tmatterItiscertainthatUNIT5WORKINGTHELANDSectionCUsingLanguage&AssessingYourProgressChemicalVersus（VS）OrganicFarming化學(xué)耕作與有機(jī)耕作Chemicalpesticidesandartificialfertilisershavebeeninwidespreaduseinfarmingsincethemiddleofthe20thcentury.自二十世紀(jì)中葉以來(lái)，化學(xué)農(nóng)藥和人工肥料便廣泛應(yīng)用于耕作。

1.in/outof/use：〔機(jī)器、場(chǎng)所等〕不/在使用中

be

in

dailyuse被日常使用

Overtime,however,whatsomescientistshavefoundisthattheirlong-termusecansometimesharmboththelandandpeoples’health.然而，隨著時(shí)間的推移，一些科學(xué)家發(fā)現(xiàn)，長(zhǎng)期使用它們有時(shí)會(huì)危害土地和人類(lèi)健康。

2.overtime:漸漸地，慢慢地gradually;隨著時(shí)間的流逝

over在（整個(gè)）…期間I'vecometounderstandhimbetter

over

theyears.經(jīng)過(guò)多年，

我現(xiàn)在對(duì)他有了更深刻的了解。Thisaffectsthecropsgrownonthelandand,inturn,theanimalsandhumanswhodigest

them.這會(huì)影響土里種植的作物，繼而影響消化這些作物的人畜。

3.inturn

相應(yīng)地;轉(zhuǎn)而:asaresultofsomething

依次;輪流followingoneafteranotherinaparticularorder

inreturn(for)作為回報(bào);作為回應(yīng)

byturns

輪流；交替:

〔表現(xiàn)某些情感或特質(zhì)〕

taketurns(doingsth./todosth./indoingsth.)依次；輪流1)Theoryisbasedonpracticeand

____________servespractice.2)Shelaughedandcried

_______________.她笑一陣又哭一陣。3)Hehelpsoutandexpectsnothing

___________.4)Thechildrencalledouttheirnames___________turn.5)Thisbookis，

turns，funnyandsad.6)Twodaysaftertheoperation，Dadtookaturn

theworse.inturnbyturnsinreturninbyfor情況惡化（注意：theworse）4.

digest

vt.＆vi.消化

vt.領(lǐng)會(huì);領(lǐng)悟thinkover,understandn.[c]摘要;文摘:Reader’sDigest《讀者文摘（美版）》Shereadeverything,

______________everyfragmentofnews.她什么都讀，新聞中的任何只言片語(yǔ)都要一一揣摩。Somebooksaretobetasted,otherstobeswallowed,andsomefewtobechewedanddigested.書(shū)有可淺嘗者，有可吞食者，少數(shù)則須咀嚼消化?！狥.培根digestingInfact,somepesticideslikeDDThavebeenprohibitedinmostcountriesbecauseofthedamagetheycausetopeopleandtheenvironment.

事實(shí)上，由于對(duì)人類(lèi)和環(huán)境有害，“滴滴涕”等農(nóng)藥在大多數(shù)國(guó)家已被禁用。Asforchemicalfertilisers,cropsgrownwiththemusuallygrowtoofasttoberichinnutrition.至于化學(xué)肥料，用其施肥的作物通常生長(zhǎng)過(guò)快而營(yíng)養(yǎng)不足。---asfor:usedtostarttalkingaboutsb/sth至于；關(guān)于regarding---berichin/with富含…的Hehadalife

richwith

blessings.他一生多福。Theymaylookbeautifulontheoutside,butinsidethereisusuallymorewaterthanessentialminerals,andtheyoftenhavelessflavouraswell.此類(lèi)作物外表靚麗，而內(nèi)里卻經(jīng)常是水分多于必需礦物質(zhì)，并且往往口感較差。5.essential(to/for)adj.完全必要的;極其重要的important,

necessary

---學(xué)案p.95/2.1)Itisessential(that)ourpilots_____________________thebestpossibletraining我們的飛行員要受到最好的培訓(xùn)，這是必不可少的。2)Itisessentialthatyouaresurewhatyourgoalsare你必須明白自己的目標(biāo)是什么。.—現(xiàn)代英語(yǔ)也有人用陳述語(yǔ)氣。(should)begiven3)Itis

essential(forsb.)todosth.（某人）

做某事是完全必要的請(qǐng)（你）務(wù)必準(zhǔn)時(shí)到達(dá)。It‘s

essential（foryou)toarrive

ontime.4)essentialsn.必需品;必不可少的東西

theessentials要點(diǎn)，要素:Shepackedafewessentialsandheadedfortheairport.她拿了一些生活必需品就直奔機(jī)場(chǎng)。Asanalternative,somefarmershaveswitchedtoorganicfarming,andmanycustomershaveturnedtoorganicfoodwhentheyshopatthelocalgrocery.作為一種選擇，一些農(nóng)戶(hù)已經(jīng)改用有機(jī)耕作，許多顧客在當(dāng)?shù)仉s貨店購(gòu)物時(shí)也轉(zhuǎn)而選擇有機(jī)食品。6.alternativen.&adj.(學(xué)案P-3)（1）n.可供選擇的事物havenoalternative/choice/optionbuttodo...別無(wú)選擇，只好做某事

can’tchoosebuttodo...（2）adj.（僅用于名詞前）可供替代的，可供選擇的；非傳統(tǒng)的alternative

energy替代性能源alternative

suggestions可供選擇的建議Thepolice

（別無(wú)選擇只好釋放他）

withoutenoughevidence.

hadnoalternativebuttosetthemanfreeOrganicfarmersfocusonkeepingtheirsoilrichandfreeofdiseasethroughnaturalmeans.有機(jī)耕作的農(nóng)民注重通過(guò)天然的方法保持土壤肥沃，沒(méi)有病害。

7.(be)freeof/from免于；不遭受;沒(méi)有freeofcharge=forfree免費(fèi)地

free

ofworries無(wú)憂(yōu)無(wú)慮Forinstance（forexample）,theymaygrowcornorwheatinafieldoneyear,andthengrowbeanstherethenext.例如，他們可能一年在田里種植玉米或小麥，第二年改種豆類(lèi)。

8.instancen.[c]

例子;實(shí)例;事例(case)---學(xué)案p.96/4.instancewhere

instances______________________________________

遵守安全規(guī)章的例子wheresafetyregulationsareobservedWhy

differentcropsaregrownisbecause

theyputimportantmineralsbackintotheground,makingitreadyagainforthenextbatch

(一批)ofcrops.種植不同作物的原因，是為了把重要的礦物質(zhì)重新放回土壤之中，讓土壤為下一批作物(的種植)做好準(zhǔn)備。(結(jié)果狀語(yǔ)）Organicfarmersalsoplantdiversecropsthatusedifferentdepthsofsoiltohelpkeepitrich.有機(jī)耕作的農(nóng)民也種植土壤深度要求不同的多樣化作物，以保持土壤肥沃。9.depthn.

向下（或向里）的距離；深（度）；

thedepths最深處；深淵；極限to/atadepthof500meters

到/在500米的深度thedepthsoftheocean/countryside/forestetc

海洋深處/偏遠(yuǎn)的鄉(xiāng)村/森林深處等:Thememorylieshiddenin

thedepthsofhermind。那段記憶隱藏在她的腦海深處。Shewas

inthedepthsofdespair.

她處于絕望的深淵。indepth

全面，深入，詳細(xì)ametre/footindepth

一米/一英尺深I(lǐng)haven’tlookedatthereportindepthyet.

deeplyadv.很深地；深刻地

depth

n.深(度)

deepen

v.變深

adjdeephighwidelongstrongbroadn.

depthheightwidthlengthstrengthbreadthv.deepenheightenwidenlengthenstrengthenbroaden(1)Inthisexperimentthebravepersonhadspent130daysinacave,30feet

depth.(2)Itisnot

（long）oflife，butdepthoflifethatmatters.(3)Withinamomentortwo，itsbodywasdraggedswiftlybythekillersdowninto

（海的深處）.(4)Theyoungmandivedto

（深度）40feet.thedepthsoftheseainlengthadepthof

deep/deeplyadv.?deep可以用作副詞，跟deeply在意義上沒(méi)有多大的區(qū)別，作“深深的”解,但要注意：在具體或有形的意味上要用deep：godeepintothejungle2.在比喻的意味上要用deeply（=greatly）

“非常”

deeply+adj./adv./v-ed/介詞短語(yǔ);v.+

deeply

deeplygrateful非常感激/bedeep

in

thought；deeplyshocked大為震驚3.習(xí)慣用法：study/workdeepintothenightStillwatersrundeep.靜水流深；木訥寡言者也許胸藏丘壑Forexample,peanutsgrowontheground'ssurface,butmanyothervegetablesputdowndeeproots.例如，花生長(zhǎng)在土壤表層，而許多其他蔬菜則扎根于土壤深處。10.rootn.[c]根;根莖;根部;根源;

vt.使生根;使（某人）無(wú)法移動(dòng)putdownroots(植物)生根;扎根〔某地〕;定居gettotherootof

theproblem找到問(wèn)題的根源rootedtothespot/flooretc

〔震驚、驚訝或害怕得〕呆住不動(dòng);呆若木雞，一動(dòng)不動(dòng):She______________________,___________________她呆若木雞地站著盯住他看。stoodrootedtothespot,staringathim.

What

keepsthemfromdoingsoisthefactthat（同位語(yǔ)從句）

chemicalfarmingservesthehighdemandforfoodaroundtheworld.他們不能如愿的原因是化學(xué)耕作滿(mǎn)足了全世界對(duì)食物的高需求。11.servevt.對(duì)…有用；能滿(mǎn)足…的需要

Howcanwebest_________________________________?我們?cè)鯓硬抛钅軡M(mǎn)足后代子孫的需要？Hisoldbikehasservedhimwell.他那輛舊自行車(chē)對(duì)他很有用。servetheneedsoffuturegenerations

同位語(yǔ)從句(1)When

(消息傳來(lái))thewarbrokeout，hedecidedtoserveinthearmy.(2)Doyouhaveevidence

thistreatmentworks?(3)Theonlywaytosucceedatthehighestlevelistohavetotalbelief

youarebetterthananyoneelseonthesportsfield.(4)Iheard

（我們隊(duì)贏得比賽的消息）.