The Bessemer process for (converting) iron to steel (was invention) of enormous importance (because) it led to many (significant) changes in industrial processes.
A: converting
B: was invention
C: because
D: significant
A: converting
B: was invention
C: because
D: significant
举一反三
- The Model T Ford was the most significant invention of the twentieth century. A: F B: O
- 30. Learning a foreign language is a slow process, requiring ________ thought, time and effort. A: enormous B: enormous C: significant D: worthwhile
- 中国大学MOOC: Dressing is significant because ______.
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