【题目】Three mountains, Meili, Baimang and Haba, which are covered snow, tower the land.
A. by, at B. with, over
C. with, at D. by, over
在线课程【答案】B
【解析】试题分析：考查介词。句意： Meili, Baimang 和Haba这几座山上覆盖着雪，无论是顶上，还是地面。A by, at 通过，在；B with, over 带着，覆盖；C with, at 带着，在；D by, over 通过，覆盖。根据句意知选B。