“过程模式”是由英国著名课程论专家系统确立的,代表人物是()
A.塔巴
B.斯藤豪斯
C.皮斯特
D.坦纳
参考答案:B
As long as we persist in spreading scientific knowledge among the masses, all the strange beliefs are ________ to go out of our life.[ ]
A.necessary
B.important
C.difficult
D.bound
什么是透平的相对效率?