题目内容
The sample will be charged unless Henry places an order of a hundred pieces or more.
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If Henry wants to receive the sample first and then later decide to place an order, the money will be returned to him after they conclude an agreement.
Henry agrees to pay the charge of the sample first and then receive the sample before placing an order.
战争胜负的决定因素是（ ）。
人类战争史上只依靠空袭行动即结束一场战争是（）
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