题目

根据短文理解，从A、B、C、D四个选项中选择最佳答案填空。 Hi, everyone. I'm a little panda. You can call 1 Huanhuan. Today is May 7th. It is my birthday. I 2 a birthday cake. It's my 3 time to eat a birthday cake, because it's my first birthday. I'm one 4old. The cake is big and nice. I 5 it. I want to eat it every year, 6 I will not eat the whole (整个的) cake. I don't want to be 7. Look at the photo. I'm eating the cake. 8 is your birthday? Is it 9 May 7th too? What do you eat on your birthday? Do you 10 a birthday cake, too? Tell me, please. （1） A . I 直角三角形两直角边分别是5 cm、12 cm，其斜边上的高是（　　）A．13cmB．3013cmC．6013cmD．9cm