下列地点不属于亚洲与其他洲分界线的是( )
A:乌拉尔山、乌拉尔河
B:大高加索山、土耳其海峡
C:苏伊士运河、白令海峡
D:巴拿马运河、马六甲海峡
(Ⅰ)求a、b的值;
(Ⅱ)求f(x)在 14 ,2上的单调区间
(Ⅲ)在 14 ,2存在x0,使得不等式f(x0)﹣c≤0成立,求c的最小值.
(参考数据:e2≈7.389,e3≈20.08)
用“who”或“that”填空(1) The man____ is talking with my mother is my father .(2) That book is the one____ I bought yesterday .(3) He is one of the workers ____ been saved in that accident .(4) They talked of the things and persons ____ they remembered in the factory .(5) All____ can be done must be done .