埃博拉病毒已经夺走2900多条生命,并且仍在继续肆虐。

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问题 埃博拉病毒已经夺走2900多条生命,并且仍在继续肆虐。
  

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答案Chinese scientists have worked hard in recent years to explore stem cell treatment of cardiovascular diseases. Some progress has been made.

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