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  3. By introducing the theory of red giant, the author intends to ______ According to the author, the new discovery about Oxygen-ri

By introducing the theory of red giant, the author intends to ______ According to the author, the new discovery about Oxygen-ri

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问题 By introducing the theory of red giant, the author intends to ______
According to the author, the new discovery about Oxygen-rich red giants ______
选项 A、is significant for the explanation of the origin of life.
B、can prevent the Sun from death.
C、is able to well describe the death of white dwarfs.
D、has been proven to be true.
答案A
解析 为细节理解题。A选项在最后一段中有所提及，B、C在与文意相反。最后一段中提到如果这一理论被证明是正确的，也就是说尚未得到证明，所以D也不对。
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