地理信息系统的英文缩写是（）；专家系统的英文缩写是（）。
参考答案：GIS；ES
_______ his apology for doing wrong to me, I later walked straight to him and beat him on the nose.
A．Having not got
B．Not to get
C．Not having got
D．Haven’t got
职业道德对职业技能的作用表现为______
A．统领作用
B．支撑作用
C．促进作用
D．决定作用
