A：2﹣溴丁烷
B：3﹣甲基﹣3﹣氯已烷
C：2，2﹣二甲基﹣1﹣氯丁烷
D：1，3﹣二氯苯
— Liu Xiang won the 110-meter hurdling gold at the 11th National Games again.
— He is always a super star in my heart. Congratulations to him.
根据短文内容, 完成下列任务。
What are your favourite fruits? Apples, bananas or oranges? I like apples very much. They are very good for us. I eat two apples every day(每天). My mother likes oranges. My father likes bananas. They are good, too. But I don't like them.
78 16 65 72 08 20 63 14 07 02 43 69 97 28 01 98
32 04 92 34 49 35 82 00 36 23 48 69 69 38 74 81
甲每日用铝锅炒菜吃，而乙每天用铁锅炒菜吃，久而久之，甲比乙更容易患的病症是（ ）．
提高居民生活品质，要大力推进生态文明、建设更美丽的桂林．
（1）林业发展在生态建设中具有首要地位．植树造林，可以产生大量的____ ，它在空气中的体积百分含量约为____ ．
（2）环境保护是生态文明建设的根本措施．在全国率先创出的别具特色的“养殖﹣沼气﹣种植”三位一体“恭城模式”，值得各地大力推广，写出沼气的主要成分燃烧的化学方程式____ ．
