Most visitors to Qindao will surely find a kind of special food in Shandong.It is very 1   and delicious.It is2pancakes.It's a traditional food in Shandong.It is popular with the local people.

    When we talk about pancakes in Shandong，there is a love3about them.In the past，a boy was poor，but studied hard.His girlfriend's parents didn't want the girl to4him.They didn't provide him with food.The clever girl made some pancakes just like paper and sent them to him.The boy ate these pancakes，went on studying hard and succeeded later.

    5you can find the pancakes in some big restaurants，you'd better have a try in the small 6.They are able to make7pancakes of the Shandong taste.

    Some pancakes are made 8flour(面粉)from the wheat(小麦).When they are9  on the hot pan(平底锅)，they are more delicious to eat.

    If you want to take some pancakes back to your friends and relatives，you can find some packed pancakes.They are made by some big10factories in some villages around Jinan.

阅读理解

    It is Sunday today. It is my grandma's birthday. Father, mother and I go to visit her.

    She lives with my uncle. In the morning we buy a birthday cake and some fruits and go to her house at ten o'clock.

    We spend about half an hour getting there. My grandma and uncle are very glad to see us. We give the presents to grandma and say“Happ y birthday to you! ”She is very happy. Then we sit down to talk. My uncle can cook.

    The meal is very nice. We all like it very much. After lunch, I play with my uncle. At four o'clock, we say goodbye and go home.

设服从二项分布$B\left(n,p\right)$的随机变量$\zeta$的期望与方差分别是15和$\frac{45}{4}$，则n、p的值分别是（   ）．