根据首字母或用单词适当形式填空。

1.   Liu Huan sang the s_____"You and Me". It sounds wonderful.

2.   I'm a g _____ teacher. I know countries and cities well.

3.   He studied for his English t _____ last night.          

4.   Is _____my holiday in my hometown last month.          

5.   We went to the m _____ last weekend.                    

6.   I don't think everyone _____ (enjoy) their week-ends.  

7.   It was a nice day and I _____ (be) very happy.          

8.   It’s time _____ (play) sports.                        

9.   Let's do some _____ (read).                            

10. My brother_____ (go) to study in America last year.    

常用的（）有酚醛树脂、脲醛树脂、环氧树脂和不饱和聚酯等。

A．加聚树脂

B．缩聚树脂

C．天然树脂

D．合成树脂