青蛙的一生实用教案

1、第1页/共14页第一页，共14页。Do you know something about frogs？第2页/共14页第二页，共14页。1. Adult frogs lay eggs in spring. 2.After about two weeks , tadpoles come out .3.About five weeks old, they have back legs. 4.About ten weeks old ,they have front legs, too. 5.Their tails become short and then they become froglets.

2、 6.The frog lets eat small animals and then become young frogs. 7.They live on land for two or three years and then become adult frogs. 8.Then they go back to water to lay eggs.The life cycle of a frog第3页/共14页第三页，共14页。Adult Frogs 1.Adult frogs lay eggs in spring.第4页/共14页第四页，共14页。Tadpolestadpoles 2.A

3、fter about two weeks , eggs become .have back legs3.About five weeks old, they .have front legs4.About ten weeks old ,they ，too.第5页/共14页第五页，共14页。I. Read the passage and write T(true) or F(fales). 朗读短文，判断朗读短文，判断(pndun)正误。正误。 2. After about two weeks , tadpoles come out. 3. About five weeks old, they

4、have back legs. 4. About ten weeks old ,they have front legs, too. ( ) About five weeks old, they have front legs. ( ) About ten weeks old, they have back legs.FF第6页/共14页第六页，共14页。5.Their tails become short and then they become froglets. Frogs7.They live on land for two or three years and then become

5、 adult frogs.6.The froglets eat small animals and then become young frogs 第7页/共14页第七页，共14页。II.Listen and choose the correct words to complete the passage. 听录音，选择正确听录音，选择正确(zhngqu)的单词补全短文。的单词补全短文。 live on land for two or three years young frogsanimals froglets adult frogs 5.Their tails become short a

6、nd then they become _. 6.The froglets eat small _ and then become _. 7.They _and then become _.第8页/共14页第八页，共14页。1.in spring eggs become tadpoles 2.after about two weeks adult frogs lay eggs3.about five weeksthey become adult frogs4.about ten weeks tadpoles have back legs5.two or three yearstadpoles have front legsIII. Listen and match.听音并连线(lin xin)。第9页/共14页第九页，共14页。IV. Read in group and put the pictures in correct order. Show it.读课文，把图片按照正确的顺序(shnx)贴好并展示出来。adult frogseggsbecomehavehavebecomeback legsfroglet第10页/共14页第十页，共14页。第11页/共14页第十一页，共14页。We should love frogsWe