2026年知到答案 冶金工程英语 最新知到智慧树满分章节测试答案
第一章 单元测试
1、 问题:What is the primary characteristic of pig iron that makes it unsuitable for most applications?( )
选项:
A:Its high carbon content.
B:Its historical importance in ancient smelting.
C:The mold shape it is cast into.
D:Its ability to be transformed into steel.
答案: 【
Its high carbon content.
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