皮皮学，免费搜题
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搜题
【多选题】
网络促销的方式有哪些?A.
网上折扣式促销
B.
积分式和网上联合式
C.
网上赠品式促销
D.
网上抽奖式促销
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【判断题】End systems connect to Internet via access ISPs(Internet Service Providers).
A.
正确
B.
错误
【单选题】under which of the following conditions is the supplier most able to influence or control buyers?
A.
when the supplier's products are not differentiated
B.
when the purchasing industry is an important customer to the supplying industry
C.
when the supplier does not face the threat of substitute products
D.
when the industry is controlled by a large number of companies
【简答题】If we ________ our relations with that country, we’ll have to find another supplier of raw materials. A) diffuse B) diminish C) terminate D) preclude
【简答题】除筛号外 , 也可用来表示筛孔内径的大小,即 每英寸(2.54cm)长度上有多少筛孔。
【简答题】阈值增大说明细胞的兴奋性___。
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