欧洲和非洲的分界线是[ ]
A．苏伊士运河
B．巴拿马运河
C．白令海峡
D．乌拉尔山脉、乌拉尔河、大高加索山脉
答案：A
—Oh, Miss Wang. Your skirt looks nice. Is it new?
—No, I _____ it for three years. [ ]
A. had
B. have bought
C. have had
D. bought
绿色学校的特点是（）工作突出｡
A.校园绿化
B.环境教育
C.清洁卫生
D.房屋绿色
