根据句意补全单词.

1. Thank you for j________ CCTV's " Around the World " show.

2. Some are t________ photos of the great buildings.

3. Look at this group of people p________ beach volleyball.

4. How's the weather? It's c________.

5. What is the weather like? It's r________.

当未稳定原油中（）的含量低于0.5%（质量分数）时，一般不必进行稳定处理。

A.C1

B.C1~C2

C.C1~C4

D.C4~C6