在以下四个式子中正确的有（   ）

$\overrightarrow{a}$ + $\overrightarrow{b}$ • $\overrightarrow{c}$ ， $\overrightarrow{a}$ •（ $\overrightarrow{b}$ • $\overrightarrow{c}$ ）， $\overrightarrow{a}$ （ $\overrightarrow{b}$ • $\overrightarrow{c}$ ），| $\overrightarrow{a}$ • $\overrightarrow{b}$ |=| $\overrightarrow{a}$ || $\overrightarrow{b}$ |

下图是“我国可持续发展类型区划分示意图”，完成下列问题。

（2007·全国Ⅰ32）K市市镇两级政府每年拿出两亿元资金，逐步实施农村基本养老保险、农村居民基本医疗保险和农村最低生活保障三项工程，为农民构建起社会保障体系，实现了农民老有所养、病有所医和贫有所济。在这件事中，政府的角色是                                                          （   ）
①经济建设的组织者　②公共服务的提供者　③经济活动的调控者　④公共权力的所有者

通读全文，根据短文理解，选择最佳答案填空。   

    Man began to make use of fire long long ago. Fire is useful in many ways, but sometimes it is dangerous. If you are not 1with it, it can burn things or even hurt you. A big fire can 2 forests and tall buildings. Sometimes a piece of thin paper can cause (引起)a big fire. So please remember not to smoke in the dry places like woods and forests. When you use candles at home, you should 3 your long hair away from the fire.

    But if there is a fire in our building, 4 should we do? Pour some water 5 your clothes. What's more, put a 6 towel (毛巾) over your mouth and your nose to keep the 7 out. You'd better run away from the fire as 8 as you can. But you mustn't rush! Or you may fall over and hurt yourself or others. Of course you should also call 9. On the phone you should clearly tell the firemen where the fire is to help them get there without difficulty. By the way, Do not 10 out of the window. Jumping may be more dangerous than the fire.

    Keep ourselves away from fire and safety is above all!

青春因奋斗而闪光，人生因奋斗而精彩，无论是二十余年坚持不懈练歌而今一夜成名的 “大衣哥”，还是将有限的生命投入到无限的国防建设中的林俊德院士，在他们的身上无不闪烁着“奋斗”的光芒。然而有人却这样认为：“命里有时终须有，命里无时莫强求。”这种观点属于（  ）