—What would you like to say to your ________ before leaving school?

—I’d like to say “Thank you very much! I’ve learnt a lot from you in the past three years.”

A．teachers

B．workers

C．doctors

D．engineers

当某种生活必需品（例如粮食）的市场价格上涨幅度过大，有可能影响城镇居民的生活水平时，政府一般可以采取的干预方式是（）。

A.限制进口

B.实施最高限价

C.实施保护价格

D.增加政府库存