• 2022-06-28
    ​丝绸时髦了,人造纤维过时了。‌
    A: Silk is voguish and synthetic fibers are out.
    B: Silk has become voguish, synthetic fibers have become outdated.
    C: /
    D: /
  • A
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    • 0

      S-glass fibers have higher strength than E-glass fibers A: 正确 B: 错误

    • 1

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    • 2

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    • 3

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    • 4

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