2. 职称英语
  3. The Bessemer process for (converting) iron to steel (was invention) of enormous

The Bessemer process for (converting) iron to steel (was invention) of enormous

游客2024-01-05  34
问题 The Bessemer process for (converting) iron to steel (was invention) of enormous importance (because) it led to many (significant) changes in industrial processes.
选项 A、converting
B、was invention
C、because
D、significant
答案 B
解析
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