1、A:This is my head.B:This is my arm.A:This is my leg.B:This is my foot.A:I have a nose.B:I have a nose,too./Me.too!A:Free talkFree talkheadnosemouthface你能你能找出找出它们的它们的共同点共同点吗？吗？你能你能找出找出身体中身体中成对的成对的部位吗？部位吗？Unit 4 Lessons 3 I have two eyes.I have _ _.twoarmsI have two _.handsI have two_.earsI have two _
2、.eyesI have two _.legsear,ear,I have two ears;eye,eye,I have two eyes;hand,hand,I have two hands;arm,arm,I have two arms;leg,leg,I have two legs.A:Look!I have two eyes.B:I have two hands.C:I have two arms.D:I have two legs.E:I have a nose.We are very lucky to have a healthy body.So what should we do
3、?What have we learnt today?(今天我们学到了什么呢？今天我们学到了什么呢？)Exercises一、选择填空一、选择填空 1.I have two _.A.ear B.ears C.eye 2.I have a _.A.hands B.faces C.face 3.I have_ arms.A.a B.too C.two二、选出不同类的单词。二、选出不同类的单词。1.A.nose B.foot C.you 2.A.Mr.B.mouth C.head 3.A.brother B.tail C.face 4.A.have B.eye C.arm1.把从野外带回来的土壤放在纸上，先用肉眼观察，在借助放大镜观察；2.把土壤放入水中，观察看到了什么；3.搅动后放置一段时间，观察水中的情况。4.岩石风化碎裂后最终会形成（土壤）覆盖在地球表面。5.土壤是人类生活和生产最重要的自然（资源）。6.土壤中还有（腐殖质）和（盐分）。
