A:private
B:personal
C:unique
D:different
设计师以y=2x2﹣4x+8的图形为灵感设计杯子如图所示,若AB=4,DE=3,则杯子的高CE=( )
We all know 50℃ means 50℃______ zero and -100℃ means 100℃______zero.