南、北半球的分界线是[ ]
A.回归线
B.赤道
C.极圈
D.20°W,160°E
答案:B
They won't let their teacher _______ in that way. [ ]
A. to be treated
B. being treated
C. treated
D. be treated
某一决策点发生较大的变化,产生优势,进而带动整个决策环突显优势的创意方法:()
A、组合法
B、重点法
C、分解法
D、实证法