Unit 4 We went on a scince field trip Section A 课件

课件27张PPT。2018-10-7 Unit 4
We went on a science field trip.go→went过去式2018-10-7教学目标1.熟练运用所学单词，并能
够描述动物习性。
2.能熟练运用句型 What
did you learn?及其答语
We learned that...
3.了解动物生活规律和习性，
注意观察动物。Let's play a game.Be careful!Be careful!Be careful!beeBe careful!Be careful!silkBe careful!Be careful!honeyBe careful!Be careful!mothBe careful!butterflyBe careful!butterfly2018-10-7The children went on a science field trip last week.毛毛虫长大之后，就会选择地点，吐丝固定身体，蜕皮化成蛹，这就是蝴蝶的第三个发育阶段——蛹。2018-10-7一只幼小的蝴蝶
a baby butterflyA baby butterfly can make silk.
一只幼小的蝴蝶会吐丝。 2018-10-7Bees can make honey.
蜜蜂会采蜜。2018-10-7Ants always work together.
蚂蚁总是一起工作。2018-10-7Ants are good.
蚂蚁是益虫。a.清理环境，蚂
蚁喜欢搬运。
b.洒落的颗粒，
多为垃圾等。
c.预见天气变化。
如:下雨前蚂
蚁搬家。
d.蚂蚁的营养价
值高。2018-10-7What did you learn?We learned thata baby butterfly can make silk.bees can make honey.ants always work together. ants are good.2018-10-7What did you learn?I learned thata baby butterfly can make silk.bees can make honey.ants always work together. ants are good.2018-10-7What did she/he learn?She/He learned thata baby butterfly can make silk.bees can make honey.ants always work together. ants are good.小补充A：What did you see?
你们看见了什么？
B：We saw the bees drink the
sweet juice from flowers. 我们看到了蜜蜂在花丛中喝花汁。2018-10-7Excellent！
太棒了！You learned many things.
你们学到了很多东西。 SummaryA.注意动词过去式的变化do---
did,learn---learned,see---saw.
B.句型What did you learn? We
learned that...
C.注意观察动物的生活习性。See you!