题目

The tourists ______ have been to Mount Huang lost ______ in the beautiful scenery there.A. /; them B. that; them C. who; themselves D. which; themselves 答案：【答案】C【解析】句意：去黄山旅游的游客们在那里美丽的风景之地迷路了。本题考查定语从句和反身代词The tourists为先行词，定语从句中缺少主语，所以关系词用that或who；Lose oneself意为“迷路，迷失方向”；故选C。在直角三角形中，斜边上的高为6cm，且把斜边分成3︰2两段，则斜边上的中线的长为（   ） A．cm    B．cm      C．cm    D．cm