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Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 150

2015-08-21View Original

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Multiple choice: 1. Which of the following substances belongs to synthetic fibers? ( ) A. Rayon B. Silk C. Acrylic D. Woolen fabric C
Reply #22015-08-21
Among the following substances, the one that belongs to synthetic fibers is (C)
Reply #32015-08-21
Which of the following substances is a synthetic fiber? ( ) C. Acrylic
Reply #42015-08-21
C should be acrylic; the original poster, please reveal the answer.
Reply #52015-08-21
Among the following substances, the one that belongs to synthetic fibers is (C. Acrylic)
Reply #62015-08-21
Among the following substances, acrylic fiber is a synthetic fiber. The answer is C
Reply #72015-08-21
C. Acrylic fiber. . . . . . . . . . . . . . . .
Reply #82015-08-21
Among the following substances, the one that belongs to synthetic fibers is (c)
Reply #92015-08-21
The answer is C. Rayon is cellulose and belongs to natural fibers ； Silk is composed of protein and belongs to natural fibers ； Acrylic fiber, scientifically known as polyacrylonitrile, belongs to synthetic fibers ； Wool fluff is composed of proteins and belongs to natural fibers
Reply #102015-08-21
The answer is c; acrylic fiber belongs to synthetic fibers

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Translated at 2026-07-21 01:49:59

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