题目内容
Fashion industries preferred metal zippers to nylon ones because nylon zippers weighed down the light materials of the garments.
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Sundback's zipper came into being during the 19th century.
Nylon was used a lot during the Second World War.
听力原文：M: The coat you tried on was really nice and reasonably priced.
W: I'd have bought it right away if they'd had it in my size.
Q: What can be inferred about the woman？
(15)
听力原文：M: Would you show me that again？
W: My pleasure. Put the paper into the machine, set your margin, and put your fingers on the keys. Now you are ready.
Q: What is the woman doing？
(14)
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