某兴趣小组为验证质量守恒定律，做了镁条在空气中燃烧的实验．

材料一：

材料二：科学不仅刷新了我们的世界图景，也刷新了我们的日常生活。……然而，在科学成功的背后，我们必须看到一个潜在的危险正在显露出来；人类通过大规模地开发大自然，虽然掌握了更高的能量，有了支配自然的能力，但却动摇了人类生存的根基。

——吴国盛《科学的历程》

— What are you doing, Tim?

— I am listening to the song Long Live        makes me feel excited.

交际配对

1）What was he like when he was in primary school?____

2）What size do you take?____

3）Could you tell me the way to the museum?____

4）Did he stay in Missouri?____

5）Was he born in Germany?____

A. Sure. Go along this road .   

B. No, he wasn't.

C. Yes, he did.    

D. He was quite different.     

E. Size S.