Unit5WorkingtheLandLanguagepoints課件高中英語人教版選擇性

Unit5Languagepointsof

UsinglanguageSubjectClause主語從句(1)Itmakesnodifference

yousupportmyplanornot.(2)

youdoshoulddonoharmtoothers.(3)Itissuggested

thework（should）bedonewithgreatcare.(4)

（誰將去接他）isnotdecided.(5)

（哪個班級會贏得這場足球賽）isnotclear.(6)

（他能否買到飛機票）doesn’tmattermuch.(7)

（我們將如何去那里）isaquestion.(8)

（你剛才告訴我的）wasreallyasurprise.(9)

（他什么時候出國）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)

(令她有點擔心的是)herhairwasturninggrey.(6)

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

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

（結(jié)果是）wewerewrong.ItworriedherabitthatItturnedoutthatItwasobviouswillcomeItisclearthatItshockedmethatItdoesn’tmatterItiscertainthatUNIT5WORKINGTHELANDSectionCUsingLanguage&AssessingYourProgressChemicalVersus（VS）OrganicFarming化學耕作與有機耕作Chemicalpesticidesandartificialfertilisershavebeeninwidespreaduseinfarmingsincethemiddleofthe20thcentury.自二十世紀中葉以來，化學農(nóng)藥和人工肥料便廣泛應用于耕作。

1.in/outof/use：〔機器、場所等〕不/在使用中

be

in

dailyuse被日常使用

Overtime,however,whatsomescientistshavefoundisthattheirlong-termusecansometimesharmboththelandandpeoples’health.然而，隨著時間的推移，一些科學家發(fā)現(xiàn)，長期使用它們有時會危害土地和人類健康。

2.overtime:漸漸地，慢慢地gradually;隨著時間的流逝

over在（整個）…期間I'vecometounderstandhimbetter

over

theyears.經(jīng)過多年，

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

them.這會影響土里種植的作物，繼而影響消化這些作物的人畜。

3.inturn

相應地;轉(zhuǎn)而:asaresultofsomething

依次;輪流followingoneafteranotherinaparticularorder

inreturn(for)作為回報;作為回應

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;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都要一一揣摩。Somebooksaretobetasted,otherstobeswallowed,andsomefewtobechewedanddigested.書有可淺嘗者，有可吞食者，少數(shù)則須咀嚼消化?！狥.培根digestingInfact,somepesticideslikeDDThavebeenprohibitedinmostcountriesbecauseofthedamagetheycausetopeopleandtheenvironment.

事實上，由于對人類和環(huán)境有害，“滴滴涕”等農(nóng)藥在大多數(shù)國家已被禁用。Asforchemicalfertilisers,cropsgrownwiththemusuallygrowtoofasttoberichinnutrition.至于化學肥料，用其施肥的作物通常生長過快而營養(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

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

essential(forsb.)todosth.（某人）

做某事是完全必要的請（你）務必準時到達。It‘s

essential（foryou)toarrive

ontime.4)essentialsn.必需品;必不可少的東西

theessentials要點，要素:Shepackedafewessentialsandheadedfortheairport.她拿了一些生活必需品就直奔機場。Asanalternative,somefarmershaveswitchedtoorganicfarming,andmanycustomershaveturnedtoorganicfoodwhentheyshopatthelocalgrocery.作為一種選擇，一些農(nóng)戶已經(jīng)改用有機耕作，許多顧客在當?shù)仉s貨店購物時也轉(zhuǎn)而選擇有機食品。6.alternativen.&adj.(學案P-3)（1）n.可供選擇的事物havenoalternative/choice/optionbuttodo...別無選擇，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

（別無選擇只好釋放他）

withoutenoughevidence.

hadnoalternativebuttosetthemanfreeOrganicfarmersfocusonkeepingtheirsoilrichandfreeofdiseasethroughnaturalmeans.有機耕作的農(nóng)民注重通過天然的方法保持土壤肥沃，沒有病害。

7.(be)freeof/from免于；不遭受;沒有freeofcharge=forfree免費地

free

ofworries無憂無慮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。

8.instancen.[c]

例子;實例;事例(case)---學案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)做好準備。(結(jié)果狀語）Organicfarmersalsoplantdiversecropsthatusedifferentdepthsofsoiltohelpkeepitrich.有機耕作的農(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;v.+

deeply

deeplygrateful非常感激/bedeep

in

thought；deeplyshocked大為震驚3.習慣用法：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）無法移動putdownroots(植物)生根;扎根〔某地〕;定居gettotherootof

theproblem找到問題的根源rootedtothespot/flooretc

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

What

keepsthemfromdoingsoisthefactthat（同位語從句）

chemicalfarmingservesthehighdemandforfoodaroundtheworld.他們不能如愿的原因是化學耕作滿足了全世界對食物的高需求。11.servevt.對…有用；能滿足…的需要

Howcanwebest_________________________________?我們怎樣才最能滿足后代子孫的需要？Hisoldbikehasservedhimwell.他那輛舊自行車對他很有用。servetheneedsoffuturegenerations

同位語從句(1)When

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

thistreatmentworks?(3)Theonlywaytosucceedatthehighestlevelistohavetotalbelief

youarebetterthananyoneelseonthesportsfield.(4)Iheard

（我們隊贏得比賽的消息）.