读“某地等高线图”(等高距:100米),回答下列各题。
—Why are you standing(站立), Alice?
—I can't see the blackboard(黑板 ) clearly(清楚地) . Two tall boys are sitting _____________ me.
近期我市电视台播报市中心血库O型血告急,许多市民纷纷到各血站无偿献血.有关叙述错误的是( )