2. 职称英语
  3. In the period between 1918 and 1939, various political, economic, and geographic

In the period between 1918 and 1939, various political, economic, and geographic

游客2025-02-09  50
问题 In the period between 1918 and 1939, various political, economic, and geographic (factors combined) in (determine) the extent (to which) a country (developed) civil aviation.
选项 A、factors combined
B、determine
C、to which
D、developed
答案 B
解析
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