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【单选题】
亨利·福特曾宣称:“不管消费者需要什么颜色的汽车,我们的汽车就是黑色的。”这种营销观念是A.
生产观念
B.
产品观念
C.
推销观念
D.
市场营销观念
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】量化过程中,量化等级数量越多,间隔越小,则()
A.
量化后误差越小,信号失真越小
B.
.量化后误差越大,信号失真越小
C.
.量化后误差越大,信号失真越大
D.
.量化后误差越小,信号失真越大
【多选题】常见的路面材料包括
A.
沥青
B.
混泥土
C.
石（水洗石、小料石、卵石、花岗岩、板岩）
D.
砖（粘土砖、花砖、透水砖）
E.
砂土
F.
木（木屑、木栈道、塑木）
G.
瓦
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