2. 外语
  3. The introduction of fabrics made from rayon, nylon and other _______ fibers has made many changes in our civilization.

The introduction of fabrics made from rayon, nylon and other _______ fibers has made many changes in our civilization.

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问题 The introduction of fabrics made from rayon, nylon and other _______ fibers has made many changes in our civilization.
选项 A、manufactured
B、artificial
C、synthetic
D、manned
答案C
解析 artifical意为“人工的，人造的”；manufactured意为“制造的”，manned意为“人操纵的”，只有synthetic才能与fibers构成固定词组，意为“合成纤维”。
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