课件16张PPT。Unit 1 How tall are you? Read and write看视频，大声说出形容词比较级词语。 Watch and find.√√The day is getting longer and longer.It is getting warmer and warmer.
Tips:比较级 + and + 比较级：越来越……
Any other changes?还有其他变化吗？longer and longer 越来越长 warmer and warmer 越来越暖和countryside Who is in the story？
Little Duck Read and answer.What will happen?
会发生什么事呢？Old TreeChoose a title（题目） for the story.
A. Little Duck’s shadow
B. Old Tree’s shadow
2.Who is younger?
A. Old Tree B. Little Duck
3.When is the Little Duck’s shadow longer?
A. In the morning B. In the afternoon
Read and circle.shadow影子The sun gets lower, the shadow gets longer.lower
更低的Read the story again and finish the dialogue.
Little Duck: Old Tree, the sun gets ________, but my shadow gets ______. Why?
Old Tree: That’s easy. Your shadow gets longer because you are getting _____and growing _____every day.
Little Duck: So what will happen to me?
Old Tree: Well……lowerlongertallerolder Act it out.lower and lower.longer and longer. Retell the story.(讲故事。)go down.The sun goes down every day,
and we grow older every day.Old tree says,…生长Why?older and smarter Listen and repeat. Do you agree（同意） with Old Tree?
Why?
What’s your answer?
Group work.在小组内讨论。提示词语：shine ：光亮，照射
straightaway shot ：直射
at the same level：在同一水平线上 Love science, love life.
Homework1.Listen and read the text. Try to tell the story to your parents or your friends.2.(选做)
Collect the knowledge about shadow.Thanks for listening!Goodbye!
