用所给词的适当形式填空。
①There ____ (be) some beef and eggs in the noodles.
②I would like you____ (come) to my house.
③Would you like some juice ____ (drink)?
④I want to buy some ____ (tomato) to make ____ (tomato) noodles.
⑤She ____ (have) an egg, a small bowl of chicken noodles and two apples every day.
、
，则
.长方体的一条对角线与三条共顶点的棱所成的角分别为
，与三个共顶点的面所成的角分别为
，用类比推理的方法可知成立的关系式是