单词拼写（每空一词，共10小题；每小题1分，满分10分）
The whole city are discussing how to make the chemically p____________ river clean.
The Christian Church used to think the earth was the c__________ of the solar system, which is completely wrong.
Many so-called m____________ art works are really hard to understand.
At her story, we were all d____________ moved, almost to tears.
English g_____________ might be boring but it is necessary in language learning.
To my surprise, it t________ out that I was wrong!
Only by u__________ force could the door be opened.
She was so tired after the long journey that she f__________ fast asleep.
Always keep the matter of s_________ in mind when you’re driving.
You can get b__________ by hot liquids, steam, fire, the sun, chemicals and so on.