【单选题】【消耗次数：1】
工业品常用的促销方式是（ ）。
①
人员推销
②
广告
③
公共关系
④
营业推广
参考答案：
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<img src="https://huaweicloudobs.ahjxjy.cn/54D096DB6BB3FFC8A2FBFB6802F223D3.png" style="" title="tzz.png"/><img src="https://huaweicloudobs.ahjxjy.cn/04BC76C9934064E01E9098FE109432D7.png" style="" title="1.png"/>[填空1]，[填空2]
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