题目
题目
单项选择题

Polyvinyl chloride (PVC) is used in _____.

选项
A.CD cases
B.milk cartons
C.plumbing pipes
D.water bottles
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标准答案
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思路分析
PVC, or polyvinyl chloride, is a versatile plastic widely used in construction and plumbing due to its durability, chemical resistance, and low cost. Option 1: CD cases. While plastics are used in many consumer products, CD cases are typically made from polystyrene or polypropylene rather than PVC, because those materials offer better clarity and rigidity f......Login to view full explanation

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