課時作業(yè)設(shè)計Unit8We'retryingtosavetheearth〔SectionA-l）IListeningListentolb,2a,2b,andtrytoreadafterthetape（聽lb,2a,2b并試著跟讀）;Listento2dandtrytoimitatethepronunciationandintonations（聽2d,并努力模仿語音語調(diào)）.IISpeakingRecite2d,androleplaywithyourpartner（背誦2d,并和同伴表演）.IIIReadingWhatdoyouknowaboutpollution?Readthefollowingpassagesandlearnaboutpollution.Thinkwhatwecandotostoppollution.（你了解污染嗎？讀一讀下面的文章，了解更多有關(guān)污染的知識，并思考我們可以做些什么來減少污染。）Todaythequalityofournaturalenvironmenthasbecomeanimportantissue.Theworldpopulationisrisingsoquicklythattheworldhasbecometoocrowded.Weareusingupournaturalresourcesandatthesametimepollutingourenvironmentwithdangerouschemicals.Ifwecontinuetodothis,lifeonearthcannotsurvive.Concernedpeoplehavemadesomeprogressinenvironmentalprotection.Governmentsofmanycountrieshaveestablishedlawstoprotecttheair,forestsandsearesourcesandtostopenvironmentalpollution.Stillmoremeasuresshouldbetakentosolveenvironmentalproblems.Peopleshouldbefurthereducatedtorecognizetheimportanceoftheproblems,tousemodernmethodsofbirthcontrol,toconserveournaturalresourcesandrecycleourproducts.Wearesurethatwecanhaveabetterandcleanerplaceinthefuture.今天，我們的自然環(huán)境質(zhì)量已經(jīng)成為一個重要問題。世界人口增長如此之快，世界已變得過于擁擠。我們正在利用我們的自然資源，同時污染的危險化學(xué)品的環(huán)境。如果我們繼續(xù)做這個地球上，生活無法生存。有關(guān)人士取得了一些在環(huán)境保護(hù)方面的進(jìn)展。許多國家的政府已建立了法律保護(hù)，空氣，森林和海洋資源，并停止對環(huán)境的污染。但更應(yīng)采取措施來解決環(huán)境問題。人們應(yīng)該進(jìn)一步的教育，認(rèn)識到問題的重要性，使用現(xiàn)代節(jié)育方法，以保護(hù)我們的天然資源和循環(huán)利用我們的產(chǎn)品。我們相信，我們可以有一個更加美好，更清潔的地方。EnvironmentalPollutionIreadapieceofnewsrecently.ItsaysthatinJapanmanybusinessmenaresellingfreshairtocustomers,andnowitisbecomingmoreandmorepopular.Why?-FreshairisgettinglessandlessinJapan,andsoisitintheU.S.A.Infact,environmentalpollutionisaveryseriousproblemthewholeworldisfacing,itismainlycausedbythewasteproductsreleasedfromartificialsubstances,industrialproductionandincreasedconsumptionofgoods.Bedsides,theuseofchemicalsubstancesinagriculturealsocausesenvironmentalpollution.Lookatthesky,youcanseethatdensesmokeisbeingreleasedfromthehighandbigchimneys;thosedirtyandpoisonoussubstancesareflowingintotheriversthatweusefordrinkingwaterandmillionsoftonsofwasteproductsareheapingaroundus.Howtochangethiscondition?Moreandmorecountriesaretryingtoworkoutsomeeffectivemeanstobringitundercontrol,butnogreatsuccesshasbeenmade.環(huán)境污染最近我讀了一則消息說在日本，許多商人向顧客出售新鮮空氣，現(xiàn)在這種情況越演越烈。為什么呢？因?yàn)樵谌毡拘迈r空氣越來越少，在美國也是如此。事實(shí)上，環(huán)境污染是整個世界正在面臨的一個嚴(yán)重問題。這主要是由于人造物質(zhì)，工業(yè)生產(chǎn)過程中所產(chǎn)生的廢料以及消費(fèi)商品的增長造成的。另外，在農(nóng)業(yè)中使用化學(xué)物品也造成了環(huán)境污染?？纯刺炜?，你可以看到濃煙從高大的煙囪中釋放出來，這些臟而有毒的物質(zhì)流入我們賴以飲水的河流，數(shù)百萬噸廢物正堆積在我們周圍。怎樣改變這種狀況呢？越來越多的國家正在試圖擬定出一些有效措施控制環(huán)境污染，但至今成效不大。Exercisesforconsolidation一、根據(jù)句意及首字母填寫單詞Don't1thewastepaper.Somefarecatchingthefishes.Theradiohasmoreathanthatone.4Don*tusepbags.Theyarebadfortheenvironment.Hehasanufacebutagoldenheart.Thenewbikecher200dollarsThereismuchrubbishattheboftheriver.8Weshouldaskthegovernmenttocdownthefactoriesthatcausewaterpollution.二、用所給單詞的適當(dāng)形式填空1We'retrying(save)theearth.2Thereusedto(be)cleanandbeautiful.Therearenomorefortocatch(fish).It'sbadforenvironmenttouse(wood)chopsticks.Hetried(work)hardtomakemoremoney.Remember(turn)offthelightswhenyouleavetheroom.Eatingapplesisgoodforyour(healthy).Theroom(clean)bymeeveryday.三、根據(jù)漢語意思完成句子.這個城鎮(zhèn)的每個人應(yīng)該參加清掃干凈活動！Everyoneinthistownshouldcleaningitup!.因此(只要)齊心協(xié)力,我們的行動就能產(chǎn)生影響，創(chuàng)造更加美好的未來。Sotogether,ouractionscanandabetterfuture..他具有(受過)良好教育的有利條件。Heagoodeducation..我們應(yīng)該使用可再次利用的袋子而不是塑料袋子Weshouldusereusablebagsplasticbags..我過去常?？梢钥吹教炜罩械男切?。Iabletoseestarsinthesky..這不僅殘忍，而且對環(huán)境有害。Thisisnotonlycruel,butalso.Keys一、1litter2fishermen3advantages4plastic5ugly6cost7botto