2. 职称英语
  3. Lewis Latimer’s inexpensive method of producing carbon filaments (i)______the na

Lewis Latimer’s inexpensive method of producing carbon filaments (i)______the na

游客2025-02-21  31
问题 Lewis Latimer’s inexpensive method of producing carbon filaments (i)______the nascent electric industry by making electric lamps commercially (ii)______.
选项
答案 B，E
解析 retard减速，transform改变，provoke激起。答案选B。unfledged无经验的，viable可行的，prohibitive禁止的。答案选E。
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