计划工作前提条件的主要依据是（）
A.决策
B.确定目标
C.目标管理
D.预测
参考答案：A
----Why does the lake smell terrible?
----Because large quantities of water_______? [ ]
A. have polluted
B. is being polluted
C. has been polluted
D. have been polluted
品牌在市场营销中发挥着重要的作用，它是广告的基础，有助于顾客建立品牌偏好，吸引更多忠实者。 ( )
