这个标志是何含义?()
A.路面低洼
B.驼峰桥
C.路面不平
D.路面高突
参考答案:D
This picture called up my memory of that day when I ______ him for the first time.
A.had met
B.was meeting
C.would meet
D.met
物资企业的投资决策、新产品开发决策等,属于( )决策。
A.长期B.短期C.基层D.基础