个体必须藉由在个体所处的领域中，进行已有的概念或文化符码的操作，及对原有知识讯息的（

我国近三年中央财政安排就业和社会保障支出情况如下：上述数据可知[ ]

①国家通过再分配维护社会公平　

②财政具有促进资源合理配置的作用　

③初次分配中居民收入不断提高　

④扩张性的财政政策得以贯彻和落实

A．①②

B．③④

C．①④

D．②③

---Do you mind my smoking here?

---_________, Look at the sign. It says, “No Smoking.”

A．It doesn’t matter.

B．No, I don’t.

C．You’d better not.

D．Never mind.

—Do you regret spending 500 dollars on the overcoat?

—No,I would have paid _________ if the shop owner had insisted.

A．twice as much

B．twice as many

C．much as twice

D．many as twice

（）

A.A

B.B

C.C

D.D

闸阀一般用作切断阀使用。