有一幅对联，上联是：橘子洲，洲旁舟，舟行洲不行。下联是：天心阁，阁中鸽，鸽飞阁不飞。这形象地说明了静止

①与运动相互依存      ②就是绝对的不运动

③是运动的普遍状态    ④相对于一定的参照系，事物的空间位置相对不变 

A．①②

B．①④

C．②③

D．③④

根据词意和所给的第一个字母写出相应的单词

1. not very often s________

2. the food you usually eat d________

3. a person who dances d________

4. costing a lot of money e________

5. like something or someone better p________

6. the way you live l________

7. a cut in price d________

8. power to do things e________

9. go well with m_________

10. usually with bright colours f________