My name is Wu Xing. I'm twelve and I'm in class 2, Miss Tang's class. She is my English teacher I like geography best (最) because it always tells stories about different places. And I often read books about geography. Today, there is a sale on in the bookshop near my school I'm choosing books here.

    Yang Dao is my friend. He i6 twelve too and he is in Class 3, Miss Lu's class. She is his maths teacher. Yang Dao is good at computer science. He likes doing many things on the computer, such as reading books and choosing presents. Now he is drawing a tiger on the computer. It's his favourite animal. It's a present for his brother's birthday. The party is in the evening.

读一读，填一填。

爸爸是____ 棵大树，

妈妈是____棵大树，

____是____只快乐的____，

在____棵大树间____ 。

在一个不透明的袋中装有2个黄球和2个红球，它们除颜色外没有其他区别，从袋中任意摸出一个球，然后放加搅匀，再从袋中任意摸一个球，那么两次都摸到黄球的概率是（    ）