Our planet is about ______ years old.A．35,000B．4600C．4600 millionD．500 million-初中英语-魔方格

◎ 题干

Our planet is about ______ years old.

A．35,000

B．4600

C．4600 million

D．500 million

◎ 答案

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◎ 解析

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◎ 知识点

根据魔方格专家分析，试题“Our planet is about ______ years old.A．35,000B．4600C．4600 millionD．500 million…”主要考查了你对【基数词】，【序数词】，【时刻】，【分数】等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。

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