国务院决定，2015年我国城乡居民基本医疗保险财政补助标准由2014年的每人每年320元提高到380元，下列选项中，对国务院的这一决定理解正确的是（   ）

语法填空（每空至多三个词）

    Mr. Johnson lived in the woods with his wife and children. He owned____ farm, which looked almost abandoned. ____ (lucky), he also had a cow which produced milk every day. He sold or exchanged some of the milk in the towns nearly____ other food and made cheese and butter for the family with what____ (leave). The cow was their only means of support, in fact. One day, the cow was eating grass____ it began to rain heavily. While making great efforts to run away, she____ (fall) over the hill and died. Then the Johnson tried to make a living____ the cow. In order to support his family, Mr. Johnson began to plant herbs and vegetables. Since the plants took a while to grow, he started cutting down trees____  (sell) the wood. Thinking about his children's clothes, he started growing cotton too. When harvest came around, he was already selling herbs, vegetables and cotton in the market____ people from the town met regularly. Now it occurred to____ that his farm had much potential and that the death of the cow was a bit of luck.

In England ,people don't often talk to each other when they travel. If you get on a bus or a train. you can see people sitting and looking out of the window. Other people may read books or newspapers.
When you meet English people, they often start a conversation by talking about the weather . So when you meet somebody in England, you can say, "Nice weather for the time of the year!"
"But it was a little cold yesterday, "somebody may answer.
"But it will get a bit warmer later,"you can say.
Talking like this, they will think,"How friendly you are!"

设f（x）=$\left\{\begin{array}{c}1-\sqrt{x},x\ge 0\\ 2^x,x<0\end{array}\right.$，则f（f（﹣2））=（　　）