读短文，判断正(T)误(F)。

      Hello! My name is Bill. I am eleven. I like travelling. I want to tell you my travel plan. I want to go to Henan

with my parents this summer vacation. We want to go there by train. I want to go to Shaolin Temple (寺) and

learn Wushu there. My father wants to climb the hill. He thinks it's great. My mother wants to take pictures.

She thinks it's exciting. I think I will have fun there.

( ) 1. Bill is going to Shaolin Temple this summer vacation.

( ) 2. Bill is going to Henan by plane.

( ) 3. Bill's father wants to row the boat.

( ) 4. Bill's mother doesn't like taking pictures.

( ) 5. Bill wants to see monkeys in Shaolin Temple.

水垢的组成、分类及危害是什么？