杜甫《望岳》一诗中表现其不怕困难，敢于攀登绝顶、俯视一切的雄心和气概的两句诗是：____，____。

    Hi, I'm Brian. This is the photo of my family. My grandfather is wearing(戴着) glasses. He has little hair. The one next to him is my uncle. He is wearing a cap. My grandmother has gray hair. She is a kind woman. She is holding(抱着) my younger brother. He has short hair. The woman standing behind me is my mom. She has brown hair. There is a little girl sitting on the table. Her name is Cathy. She is my sister. She is wearing a green T-shirt and a pair of green socks. It's her favorite color. Which one is my father? Well, he is wearing glasses, too. He is in brown shorts and brown shoes. His name is Sam. Now, do you know where he is?

人们常给移栽的大树打针输液，输入的营养液是（  ）

保护绿水青山，缔造大美龙江．请同学们回答下列问题：

—Is this your uncle?

—No, __________.