1、A quizChoose a number and answer the question which youll see.What covers almost a quarter of the Earth?Land.What covers almost three quarters of the Earth?Streams,rivers,lakes,seas and oceans.What is the largest animal on the Earth?Whales.Name two intelligent animals on the Earth.Dogs,dolphins,monk
2、eys,etc.What is the largest animal on land?Elephants.Name two beautiful things in the oceans.Starfish and sea horses.Name two kinds of seafood people can get from the oceans.Fish and prawns.对虾Is water important to people?Yes,it is.What must we do to protect the oceans?We must keep them clean.We must
3、 stop polluting them.Unit9sea water and rain waterby HidystreamriverlakeseaoceanWhere can we find water?We can find water in thekw:tearthLand:Water:three quartersa quartera quarterthree quartersAlmost _ of the Earth is land.Almost _of the Earth is water.starfishsea horsebeautifulA guessing game:Who
4、am I？dolphinintelligentclever /brightwhalelargesharkdangerous /fiercedangerous animalsSharks are one of the most dangerous animals.intelligent animalsDolphins are one of the most intelligentanimals.word box quarter 四分之一 quarter half three quarter（四分之三）intelligent 聪明的 intelligent animals interesting
5、有趣的 interesting animals important 重要的word box pollute 弄脏；污染 cover 覆盖 if 如果 shower 淋浴 take a shower 洗淋浴 crop 农作物 use 使用word box save 节省；节约 waste 浪费 fix 修理 dripping 滴水的；漏水的 tap 水龙头 running 流动的 bath 沐浴；洗盆浴Help!Oceans are important to all animals on the Earth.We must keep the oceans clean.We must stop p
6、olluting them.We must stop killing fishes.Lets protect our oceans!The oceans-1 Almost three quarters of the Earth is water.Many fish and sea animals live in the streams,rivers,lakes,seas and oceans on the Earth.地球上几乎四分之三的部分是水。在地球上，许多鱼类和海洋动物生活在溪流，河流，湖泊，大海和海洋里。The oceans-2 Whales,dolphins and sharks a
7、re sea animals.Whales are the largest animals on the Earth.Dolphins are one of the most intelligent animals.Sharks are one of the most dangerous animals.鲸，海豚，鲨鱼都是海洋生物。鲸是地球上最大的动物.海豚是最聪明的动物之一。鲨鱼是最危险的动物之一。The oceans-3 In the oceans,you can find starfish and sea horses.They are interesting and beauitful
8、 sea animals.在海洋中，你可以找到的海星和海马。它们是有趣的和美丽的海洋动物。People also get food from the oceans.The seafood we eat is from the oceans.Fishermenuse nets to catch fish and prawns in the deep sea.fisherman fishermenThe Oceans-4 The oceans-5 The oceans are important to all animals on the Earth.We must keep them clean
9、.We must stop polluting them.海洋对地球上所有动物都很重要。我们必须保持它们的干净。我们必须停止污染它们。（对于，关于）（是keep的宾语）（stop doing 停止做某事)Match Gamea dripping tapa running tapa showerMatch Gamevegetablesa bathbrush teethA quiz about saving waterYou can save water by fixing a_.a dripping tapb running tapc shower1A quiz about waterYou c
10、an save water by not_.a turning off a dripping tap.b washing fruit under a running tap.c taking a shower.2A quiz about waterWhich suggestion can save water?a Turn off a dripping tap.b Brush teeth under a running tap.c Take a bath.3A quiz about waterWhich suggestion cant save water?a Fix a dripping t
11、ap.b Play water games.c Take a shower4A quiz about waterTaking a bath instead of a shower can _.a save waterb waste water c pollute water 5Look and learnS1:How can we save water?S2:We can save water by fixing a dripping tap.“by doing”,“by not doing”.Make sentencesfix a dripping tapWe can save water
12、byfixing a dripping tap.wash vegetables under a running tapWe can save water by notwashing vegetables under a running tap.“by doing”,“by not doing”.Make sentencesbrush your teeth under a running taptake a shower instead of a bathplay water gamesturn off a dripping tapSave water!Dont waste it!Write a
13、nd listen1.Fix a dripping tap.2.Turn off a dripping tap.3.Take a shower instead of a bath.Three DOs1.Dont wash vegetables under a running tap.2.Dont play water games.3.Dont brush your teeth under a running tap.Three DONTs重点词组1.three quarters/a quarter 四分之三/四分之一2.on the Earth 在地球上3.sea animals 海洋动物4.
14、the most intelligent/dangerous/interesting/important/beautiful最聪明的/最威胁的/最有趣的/最重要的/最漂亮的5.get food from the oceans从海洋中获得食物6.use/needto do sth.使用/需要去做7.be important to 对很重要8.keepclean保持干净9.stop polluting 停止污染10.brush ones teeth刷牙11.take a shower 冲澡,淋浴12.take a bath坐浴，泡澡13.on ones farms在农场里14.a dripping tap滴水龙头15a running tap冲水龙头重点句型:1.If there is no rain,we will have no water to drink.2.How can we save water?We can save water by fixing a dripping tap.We can save water by not playing water games.3.we can save water by taking a shower instead of a bath.
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