1、Unit1 How tall are you?B lets readHow old are you?How tall are you?How long is your hair?How heavy are you?How big are your feet?How many books do you have?How much are the apples?How often do you go to the cinema?年龄多大年龄多大多高多高多长多长多重多重多大多大多少数量多少数量多少钱多少钱多久多久_ is younger than _,_ is taller than _,_ is
2、older than _,_ is stronger than _._is heavier than _,_is thinner than _.NameAgeHeight WeightMy brother25175cm56kgMother50159cm55kgFather52177cm72kgAnimals WorldThe is than 海底总动员海底总动员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
3、 swim.It is red.It is very yummy but expensive.squidlobstersealI think it is heavier than .What is bigger and heavier than seal?sharkFood:fish,seal,lobster,squidone toothmany teethsperm whale(抹香鲸抹香鲸)Its bigger and heavier than shark.Its longer than the shark,too.Food:fish,birds,seal,whale killer wha
4、le(虎鲸虎鲸)Good swimmer can jump out of water.Whats the difference between them?longersmaller10more20扩展练习扩展练习作业本作业本Homework1.读读P9 5次次2.听写听写Unit 1单词句子一次单词句子一次3.完成作业本练习完成作业本练习抹香鲸抹香鲸 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
5、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。虎鲸虎鲸雄鲸体长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。
