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【多选题】
下列哪些是网络客户大数据挖掘方法A.
客户信息纵向分析
B.
客户信息横向分析
C.
客户信息深度分析
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】三等水准测量采用“后-前-前-后”的观测顺序可以减弱()的影响。
【简答题】教学策略的特性包括目的性、 和调控性。
【单选题】Why does the author mention New York City in line 6 ?
A.
To emphasize how small the population of the Pacific Islands is
B.
To emphasize the extreme distances between the Pacific Islands and other regions
C.
To note the economic ties of the Pacific Islands to other regions
D.
To note the lack of urban environments on the Pacific Islands
【单选题】--- Why are you so angry? --- Jack failed to return my tennis bat on time again. He _______his words.
A.
is always eating
B.
has always eaten
C.
always eat
D.
always ate
【简答题】why, to be clear, is not bat's fault? give me one example
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