All our efforts will be made to create _______ more peaceful and more advanced world, ______ place where everyone enjoys his life and freedom.

A．/; the

B．a; a

C．the; a

D．a; the

今年6月1日起，国家实施了中央财政补贴条例支持高效节能电器的推广使用，某款定速空调在条例实施后，每购买一台，客户可获财政补贴200元，若同样用11万元所购买的此款空调数台，条例实施后比实施前多10%，则条例实施前此款空调的售价为　▲　元．