Lesson1Whyareplantsimportant?Unit8Ilovenature!Tolearnsomenewwordsandphrases.Tounderstand

theimportanceofplantsthroughlistening.Totalkaboutwhyweneedplantsandcompletethemindmap.Tomaterthetoneinsentences.學習目標LeadinPlantscleantheairandplayapartinthewatercycle.Doyouknowthefunctionofplants?新課講授Newwordscycle n.循環(huán)；自行車soil n.土壤；土地carry v.攜帶；拿；運送Talkwithyourpartneraboutplants.ADoyouthinkplantsareimportant?BWhatcanplantsdotohelpnature?Givesomeexamples.Pre-listeningYes.Theyareimportantforusandanimals.Plantscancleantheairandproduceoxygenforus.Listentotheconversationandtickthemainidea.It’sapleasuretowalkintheforest.Wecan’tlivewithoutplants.Treesandanimalsarepartofourlife.√While-listeningListentotheconversationagainandtickwhatismentioned.Peoplecaneatplantsorusethemasmedicine.Plantshelpkeeptheairclean.Manyanimalsliveintheforest.Books,paper,pencils,anderasersallcomefromplants.Animalseatleavesandfruitsfromthetrees.Plantscoverthesoilandkeepdustaway.Plantsmakeeverythinglookbeautiful.Peopleusewoodfromtreestobuildhousesandfurniture.√√√√√LiMing:Ilovetheforest.

Therearesomanytreeshere.Theairisfresh.WangMei:Treesandotherplantsareimportantforus.LiMing:Yes,youareright.Plantscleantheair.Theygiveusfoodlikefruitsandvegetables.Somemedicineandclothingarealsomadefromplants.WangMei:Theforestisimportantforanimals,too.

Manyanimalslive

intheforestandeatleavesandfruitsfromthetrees.LiMing:Plantsalsoplayapartinthewatercycle.Andtheycoverthesoil.Thatway,thewindandwaterdon’tcarrythesoilaway.Plantsmaketheworldlookbeautiful.WangMei:Indeed,wecan’tlivewithoutplants!Post-listeningWorkingroups.Talkaboutwhyweneedplantsandcompletethemindmap.YoucanusesomeoftheideasinActivity3.FunctionsofplantsTheycleantheair.Theyareimportantforanimals.Animalseatleavesandfruitsfromthem.Theygivefoodtohumans.Somemedicineandclothingarealsomadefromthem.Theyplayapartinthewatercycle.Theyhelpkeepthesoilandmaketheworldbeautiful.(1)bemadefrom由……制成1.Somemedicineandclothingarealsomadefromplants.一些藥物和衣服也是由植物制成的。【辨析】bemadeof,bemadefrom,bemadein與bemadebybemadeof意為“由······制成”，通常指通過制成品可以看出原材料。e.g.Thetwobridgesaremadeofwood.

這兩座橋是木制的。bemadefrom意為“由······制成”，通常指通過制成品看不出原材料。e.g.Thewineismadefromrice.

這酒是用稻米釀造的。bemadein意為“在（某地）制造”，后面接地點名詞。e.g.ThismobilephoneismadeinChina.這部手機是在中國制造的。bemadeby意為“被······制造”，后接制造者。e.g.Thecakewasmadebymymom.

這個蛋糕是我媽媽做的。Languagepoints(2)“clothing”是不可數(shù)名詞，意為“衣服；服裝”a.可以用“apieceofclothing（一件衣服）”“anarticleofclothing”（一件衣物）”來表示單個的衣服物品。b.可以用“warmclothing（暖和的衣服）”“protectiveclothing（防護服）”等短語來描述特定類型的服裝。e.g.Shespendsalotofmoneyonclothing.她在衣服上花了很多錢。Weneedtobringenoughclothingforthetrip.我們需要為旅行帶足夠的衣服。2.Plantsalsoplayapartinthewatercycle.植物也在水循環(huán)中發(fā)揮作用。playapartin(1)“發(fā)揮作用”，相當于playanrolein，后接名詞、代詞或動詞-ing形式e.g.Everyonecanplayanimportantpartinsociety.

每個人都可以在社會中起重要作用。(2)“在······中扮演角色”，其中part作名詞，意為“角色”，相當于role。e.g.Heplaysanimportantpartinthenewmovie.

他在這部新電影中扮演一個重要的角色。(3)“參加，參與”，相當于takepartine.g.Everyoneshouldplayapartinthe“CleanPlateCampaign”andsaynotofoodwaste.

每個人都應(yīng)該參與“光盤行動”,對食物浪費說不。【辨析】carry,take,bring與getcarry搬;拿;提;扛表示搬運、攜帶，具有負重的含義。沒有方向性。take拿走；帶走指把人或物從說話者所在的地方帶到別處。有方向性。bring拿來；帶來指把人或物從別的地方帶到說話者所在的地方。有方向性。get去取；去拿指到某地去把某人或某物帶來或拿來。表示來回。carry/?k?ri/v.攜帶；拿；運送3.Thatway,thewindandwaterdon’tcarrythesoilaway.這樣，風和水就不會把土壤帶走。e.g.Iknowsomecartoonistsalwayscarrypenandpaper.

我知道有些漫畫家總是帶著筆和紙。

MarkoftentakeshisbookstoBeth’shousetostudy.

馬克常常帶著書去貝絲家學習。

Don’tforgettobringithere.

不要忘記把它帶到這兒來。

Canyougoandgetsomewaterforus?

你能去給我們打點兒水嗎?“carryaway”意為“帶走；使失去自制力；使激動得失去控制”。a.表示“帶走”時，主語通常是搬運的力量（如風、水等），賓語是被搬運的物體。b.表示“使失去自制力；使激動得失去控制”時，主語通常是人或人的情感，賓語是被影響的人。e.g.Thestrongwindcarriedawaytheroof.強風把屋頂刮走了。Shewascarriedawaybythebeautifulmusic.她被美妙的音樂迷住了。“can’tdosth.without...沒有······無法做某事”，這是一個雙重否定結(jié)構(gòu)，表示肯定含義。其中without作介詞，后接名詞、代詞或動詞-ing形式。其反義詞為with“具有”。e.g.Don’tpollutetheriversbecausewecan’tlivewithoutwater.

不要污染河流，因為沒有水我們無法生存。Youcan’tgrowtomatoeswithoutsunlight.

沒有陽光，你就無法種植西紅柿。4.Indeed,wecan’tlivewithoutplants!的確，我們的生活不能沒有植物！Theforestisimportantforanimals,too.Ilovetheforest.Doyouthinkplantsareimportant?Canpeopleeatplants?Dodolikethegreen

oneortheredone?Whyareplantsimportant?Listenandrepeat.Pronunciation語調(diào)

說話或朗讀時聲音的抑揚稱為語調(diào)。英語句子的語調(diào)通常分為升調(diào)和降調(diào)兩種,升調(diào)或降調(diào)都從句子中最后一個重讀音節(jié)開始。一般遵循以下規(guī)則：1.一般疑問句用升調(diào)。Doyouthinkplantsare↗important?Doyoulike↗gardening?2.省略句表示疑問用升調(diào)。Seethis↗puppy?Carrotandegg↗dumplings?3.陳述句用降調(diào)。Ilovethe↘forest.Asiananimalsare↘endangered