Read and write
读一读，写一写
Spring is coming!
春天来了！
The sky is cleaner and the sun is brighter.
天空更干净，太阳更明亮。
Can you think of any other changes?
你能想到其他的变化吗？
Look and tick.
看一看再打勾。
Wu Yifan and his family are going on a trip to the countryside.
吴一凡将和他的家人一起去乡村旅游。
Wu Yifan has a story to tell Robin.
吴一凡要给罗宾讲一个故事。
（Title）
Little Duck is watching the sun go down.
小鸭子正在看着夕阳西下。
It is getting lower and lower, but his shadow is getting longer and longer.
它变得越来越低，但是他的影子变得越来越长。
"Why is that?"
“那是为什么呢？”
Little Duck asks his friend Old Tree.
小鸭子问他的朋友老树。
"You are older and smarter than me.
“你比我年龄大，也比我聪明。
Tell me - why is my shadow longer when the sun gets lower?"
请告诉我：当太阳变得更低的时候，为什么我的影子变得更长？”
Old Tree says, "That's easy, Little Duck.
老树说：“小鸭子，那很容易理解。
The sun goes down every day, and we grow older every day.
太阳每天都要落下，并且我们每天都要变老。
Your shadow grows longer because you are growing taller.
你的影子变长，是因为你变得更高了。
You are becoming a big beautiful bird!"
你将成为一只高大美丽的鸟！”
Can you answer Little Duck's question, Robin?
罗宾，你能回答小鸭子的问题吗？
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