2. 外语
  3. What does the passage mainly discuss? What explanation is given for the use of the subtractive method in modern color films?

What does the passage mainly discuss? What explanation is given for the use of the subtractive method in modern color films?

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问题 What does the passage mainly discuss?
What explanation is given for the use of the subtractive method in modern color films?
选项 A、Subtractive colors are more realistic.
B、The subtractive process is more efficient.
C、Additive chemical techniques are too complex.
D、The additive process is still being developed.
答案B
解析 从最后一句可知：减去法尽管需要复杂的化学技术，却已成为更实用的方法，且为现代彩色胶片的基础。
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