将足量的CO2不断通入KOH、Ba(OH)2、KAlO2的混合溶液中，生成沉淀与通入CO2的量的关系可表示为 [ ]
A．
B．
C．
D．
答案：C
It is reported that some scientists in Great Britain have found out a new _____ to cancer treatment. [ ]
A. way
B. means
C. method
D. approach
消防车库应保障车辆停放、出动、维护保养和非常时期执勤备战的需要。
