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How old are you?Im years old.How tall are you?Im cm tall.How heavy are you?Im kg.第1页/共22页Animals WorldThe is than 第2页/共22页海底总动员第3页/共22页It is an animal.It is small.It can swim.It has many legs.It likes to eat small fish.It is an animal.It is small.It can swim.It is red.It is very yummy but expensive. squidlobster第4页/共22页sealI think it is heavier than .What is bigger and heavier than seal?第5页/共22页sharkFood: fish, seal, lobster, squidone toothmany teeth第6页/共22页sperm whale(抹香鲸 )Its bigger and heavier than shark.Its longer than the shark, too.第7页/共22页第8页/共22页第9页/共22页Food: fish, birds, seal, whale killer whale(虎鲸 )第10页/共22页Good swimmer can jump out of water.第11页/共22页第12页/共22页Whats the difference between them?第13页/共22页longersmaller10more20第14页/共22页第15页/共22页扩展练习作业本第16页/共22页Homework1.读P9 5次2.听写Unit 1单词句子一次3.完成作业本练习第17页/共22页抹香鲸 最大的有齿鲸。雄性最大体长达23米，雌性17米，体重可达50吨。体呈圆锥形，头部约占体长的l/3，呈圆桶形，上颌齐钝，远远超过下颌。抹香鲸可潜到2200米的深海，故它是哺乳动物潜水冠军。抹香鲸常和30吨重的大王乌贼打得不可开交。抹香鲸遍布全球各大洋，主要活动在热带和温带海域，通常在南北纬40度之间。我国海域均有分布，它们常以520头结群游荡，以雄多雌少组成群体，一般游速每小时253海里，受惊时可达7一12海里。抹香鲸是胎生、哺乳。怀孕期16个月，哺乳期一年。第18页/共22页虎鲸雄鲸体长9.49.7m，雌性8.28.5m，最大体重78t。体呈纺锤形。头圆。无喙。侧面观口裂长为体长的1/121/11。背黑，腹白，界线分明。眼的后上方有卵形白斑，远看象个大眼。背鳍后有鞍形淡色斑，颏白色，鳍肢黑色。腹部后半部有一向背侧并向后弯的白色突出部。背鳍高大，成体雄性可达1.8m，状如倒置的矛，因以得名逆戟鲸。鳍肢圆形，其长约占体长的1/9，老年雄兽占1/5。尾鳍宽厚。齿强大，长1013cm直径2.6cm，横切面长圆形，齿式1012/1012=4048。性凶猛，且残暴贪吃，以吃鱼最多，也吃海豚、海豹、海狗、海象等海兽，还成群的袭击大型须鲸。不成大群，常23头一起游弋，最多不超过4050头。游速很快，可达30km，我国各海都有，黄海北部以海洋岛附近为多。第19页/共22页_ is younger than _ , _ is taller than _ ,_ is older than _ , _ is stronger than _ ._is heavier than _,_is thinner than _.NameAgeHeight WeightMy brother 25175cm56kgMother50159cm55kgFather52177cm72kg第20页/共22页第21页/共22页感谢您的观看。第22页/共22页
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