西北地区的主要地形是[ ]
A.高原 山地
B.高原 盆地
C.丘陵 平原
D.山地 丘陵
答案:B
—Where is the nearest hospital in this city, madam?
—Go down the 5th Avenue and you can find it the city library. [ ]
A. far from
B. apart from
C. across from
D. away from
花甲、古稀、耄耋、期颐之年各指多大岁数?