Unit5Waterislife

Cross-curricularconnection英語滬教版（2024）七年級下冊Learningobjectives目錄頁標(biāo)題通過本課時學(xué)習(xí)，學(xué)生能夠：1.讀懂文章，獲取關(guān)鍵信息，理解水對于人體的重要性以及人和動物如何依賴水分來維持健康。2.綜合運(yùn)用所學(xué)知識寫一篇水與人體關(guān)系的小短文。3.通過學(xué)習(xí)水對于生命體的作用和意義，強(qiáng)化科學(xué)飲水意識，提升健康意識。

重點(diǎn)ThinkandchooseWhatpercentageofacucumberiswater?A.65%B.75%C.85%D.95%ThinkandchooseWhatisthepercentageofwaterinourbodyweightwhenweareborn?A.30%-40%B.50%-60%C.70%-80%

Let’sfindoutmorefactsaboutwaterinthehumanbody!ScanandanswerWhatisthemainideaofthepassage?Itmainlyintroducesthesignificanceofwaterforlivingthingsandwaterinthehumanbody.ReadandcompleteReadthepassageandcompletethenotes.about70%-80%about60%about55%1.50.5ReadandanswerQ1:Whydowomenusuallyhavelesswaterintheirbodiesthanmen?Q2:Howmuchwatershouldadultsdrinkeverydaytostayhealthy?Womenusuallyhavemorebodyfatthanmen.Theyneedtodrinkabout2-3litresperdaytostayhealthy.ReadandanswerQ3:Whydowesweat?Q4:Whatwillhappenifwelosemorethan10%ofourbodyweightinwater?

Tohelpourbodiescooldown.Wewillfeelill.ThinkandanswerWhatelsedoesthebodyusewaterfor?Itkeepsyourmouthwetandwashesawaydirtonyoureyes.Waterinour

blood(血液)carries

nutrients(營養(yǎng)物質(zhì))and

oxygen(氧氣)tocellsthroughoutthebody.ThinkandanswerWhatelsedoesthebodyusewaterfor?Waterhelpsremove(排出)waste(廢物)fromthebodythroughurineandsweat.Waterkeepsjoints(關(guān)節(jié))lubricated(潤滑)sotheycanmovesmoothly.ThinkandanswerSomepeopledon’tdrinkenoughwatereveryday.Somepeopledrinksodawaterorfruitjuiceinsteadofwater.Somepeoplewaituntiltheyfeelverythirstytodrinkwater.Whatarebaddrinkinghabits?ThinkandanswerSomepeopledrinktoomuchwaterquicklyinsteadofsipping(小口喝)itslowly.Somepeopledrinktoomuchwaterrightaftereatingmeals.Somepeopledrinkwaterthatistoohotortoocold.Whatarebaddrinkinghabits?WriteacompositionWriteashortcompositionabouttherelationshipbetweenwaterandthehumanbody.Introducewaterinthehumanbodyandexplainwhypeopleneedwater.Listsomebaddrinkinghabitsandthedisadvantages.Callonpeopletodevelopgooddrinkinghabitsandkeeptheirbodieshealthy.ShareyourcompositionTheImportanceofWatertotheHumanBodyWaterislikefuelforthehumanbody.Justasacarcannotrunwithoutgasoline,ourbodiescannotworkproperlywithoutwater.Infact,about60%ofourbodyweightiswater.Waterhelpscarrynutrients,controlbodytemperature,andremovewaste.Withoutenoughwater,peoplemayfeeltired,getheadaches,orevenfaceserioushealthproblems.However,manypeoplehavebaddrinkinghabits.Somewaituntiltheyfeelthirstytodrinkwater.Othersreplacewaterwithsugarydrinkslikesodaorjuice.Drinkingtoomuchwateratonceisalsounhealthy.Itmayhurtyourkidneys(腎).Thesehabitscanharmourbodies.Tostayhealthy,weshoulddevelopgooddrinkinghabits.First,drinkenoughwatereveryday—6-8glasses.Second,drinksmallamountsofwaterregularlyinsteadofwaitinguntilyou’rethirsty.Third,choosecleanwaterinsteadofsweetdrinks.Takeawaterbottlewithyouorsetalarms.Thesecanhelpyoudevelopgoodhabits.Inconclusion,waterisimportanttolife.Let’svaluethis“invisiblehero”(隱形英雄)inourbodiesbydrinkingwisely.Starttoday,andyourbodywillthankyouwithbetterenergyandhealth!Summarytalkaboutwaterinthehumanbody.realizetheimportanceofdevelopinggooddrinkinghabitstokeepmybodyhealthy.knowmorefactsaboutwaterinthehumanbody.231Afterlearningthislesson,IcanHomework1.Findoutmorefactsabouthowwaterhelp