题目内容

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.

A. 对
B. 错

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Henry agrees to pay the charge of the sample first and then receive the sample before placing an order.

A. 对
B. 错

战争胜负的决定因素是( )。

A、武器
B、天时
C、人
D、地利

人类战争史上只依靠空袭行动即结束一场战争是()

A、海湾战争
B、科索沃战争
C、阿富汗战争
D、伊拉克战争

创新的()是军事变革的主导要素和灵魂。

A、军事技术
B、军事理论
C、军事组织
D、军事管理

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