题目

If you like peanut butter, you'll love this recipe. The steps are easy, and there's nothing to cook. You can make it all by yourself!What you need: 2 cups graham cracker(全麦粉) 1/2 cup peanut butter2 tablespoons sugar 1/3 cup corn syrup(糖水)1/2 teaspoon cinnamon(肉桂皮) 1 cup powdered sugar2/5 teaspoon nutmeg(豆蔻)What you do: First, mix together the graham cracker, sugar, cinnamon, and nutmeg in a bowl. Next, add the peanut butter and corn syrup. Mix well. Then, roll the mixture into balls. Place them on a large plate covered with paper. Leave the plate in the fridge for an hour. 草履虫体内有两个细胞核。一个是________，另一个是________。