根据情景选择恰当的答案。

1. 我会洗衣服，下列哪项翻译是正确的：[ ]

A. I can wash the dishes.

B. I can wash the clothes.

C. I can wash the bed.

2. 当你要说“台灯在桌子上”时，可以说：[ ]

A. The book is on the table.

B. The lamp is over the table.

C. The lamp is on the table.

3. 当你要说“我的家乡有许多树”时，可以说：[ ]

A. There is a tree in my village.

B. There are many trees in my village.

C. There are trees in my city.

4. 如果你要说“在图书室里不要大声喧哗”，可以说：[ ]

A. Please don't talk in the library.

B. Please don't walk.

C. Please don't say.

5. 当你想要问别人路时，你要先说：[ ]

A. Excuse me.

B. Thank you.

C. Sorry.

何谓水文年鉴？何谓水文数据库？何谓水文图集？简述其作用？