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The invention of artificial hearts marked a turning point in the battle heart di

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The invention of artificial hearts marked a turning point in the battle heart di

The invention of artificial hearts marked aturning point in the battle      heart disease．

         A．among        B．for      C．against     D．between

 

试题答案

【答案】

C

【解析】略

 

标签：markedheartspointturninginvention

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