我国特有的中华鲟和白鳍豚终身生活在水中．中华鲟用鳃呼吸，卵生；白鳍豚用肺呼吸，胎生．它们分别属（　　）

椭圆$\frac{x^2}{a^2}+\frac{y^2}{b^2}=1\left(a>b>0\right)$，B为上顶点，F为左焦点，A为右顶点，且右顶点A到直线FB的距离为$\sqrt{2}b$，则该椭圆的离心率为（ 　　）

文学常识和名著阅读

    Hello! Look here! There's 1 apple tree behind Dick's house. Dick is near the tree. There are some apples 2 the tree. Dick is looking 3the apples. They are big and red. Dick is hungry. He wants to 4 an apple. Dick isn't tall. He is short. He can't reach(够到) the apples. He puts a 5 under the tree. Can he reach the apples on the box now?6, he can't. He is too7. Here comes Paul. He is Dick's brother. “Hello, Dick,8 do you want to do?”

     “Please help9, Paul. I can't 10 the apples.”

     “Here you are, Dick. One is for you, and one is for me!”

     “Thank you, Paul.”