2. 职称英语
  3. At first, the delivery of color pictures over a long distance seemed impossible,

At first, the delivery of color pictures over a long distance seemed impossible,

游客2024-01-01  68
问题 At first, the delivery of color pictures over a long distance seemed impossible, but, with painstaking efforts and at great expenses, it became a reality.
选项 A、transaction
B、transmission
C、transition
D、transformation
答案 B
解析
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