At present , the terrible foggy haze（雾霾）weather has influenced our normal life badly . So our government should _____ to reduce the air pollution.

A．put out

B．carry out

C．take steps

D．get over

（）的城墙、街道、民居、店铺、庙宇等均保留原有形制，是研究明代县城建制的实物资料。

A.平遥古城

B.丽江古城

C.南京古城

D.西安古城