题海让大学四年没有难题
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单选题 8

A. Matter and anti-matter are opposites of each other

B. Anti-matter allowed humans to come into existence

C. The universe formed due to a sufficient amount of matter

D. Anti-matter exists in very high-temperature environments

新时代实用英语综合教程课程封面

学科:新时代实用英语综合教程

时间:2025-05-14 19:11:44

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