A good idea was ______ by the local government that all the ancient paintings in the ruined temples should be protected right now.

A．adapted

B．adopted

C．absorbed

D．abused

利用（）的原理，以（）标准溶液直接滴定白酒样品中的总酸，以（）为指示剂指示滴定终点，以所消耗的（）标准溶液的体积计算白酒中总酸的含量。