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【多选题】
组织市场的特点有 ( )A.
购买者数量和规模大
B.
购买者集中
C.
派生需求
D.
富有弹性
E.
非专家购买
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】While sleeping, some people feel compelled to check their phones every 5 minutes because . . A. they fear they might miss something happen online B. they want to c...
A.
they fear they might miss something happen online
B.
they want to check whether their phones are fully charged
C.
they are afraid of smartphone explosion
D.
they want to make sure that their smartphones are beside them
【简答题】用 3.142 作为 的近似值,具有 位有效数字 .
【简答题】短文理解 ( )1. A. They lost their way. B. They couldn't find any houses. C. They had to spend the night in the open air ( )2. A. To give them some water and food. B. To let them stay in his house ...
【简答题】情形,环境 n.
【简答题】情况;情形 n.
【简答题】n.情况,情形
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