Jan：I have new photos of my family, but they're not very good. This is my sister…
Mark：Where is she?  Is she at the library?
Jan：No, she's in the living room. She s doing her homework. And that s my brother.
Mark：Is he doing his homework, too? What's he eating?
Jan：He's watching a scary movie on TV and eating french fries.
This is a picture of my aunt and my mother.
Mark：Is that -your mother in the pool?
Jan：No, that's my aunt. My mother can't swim. And this is my mother and my aunt at the shop. They really like shopping and eating at the shop. Mark: Interesting photos.

保护水资源，人人有责．我国是缺水国家，目前可利用淡水资源总量仅约为899000亿m³，数据899000用科学记数法表示为（ ）

Would you like something ____ (eat)?