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Some—such as liquid oxygen—are so cold that they embrittle many constructional m
Some—such as liquid oxygen—are so cold that they embrittle many constructional m
游客
2023-12-27
35
管理
问题
Some—such as liquid oxygen—are so cold that they
embrittle
many constructional materials and evaporate continuously if not refrigerated.
选项
A、weaken
B、strengthen
C、reduce
D、cause ... to become brittle
答案
D
解析
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