2. 外语
  3. Plastics is a kind of ______ which is widely used in industry.

Plastics is a kind of ______ which is widely used in industry.

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问题 Plastics is a kind of ______ which is widely used in industry.
选项 A、mass
B、substance
C、matter
D、material
答案D
解析 本题测试名词的辨析。mass：块，大多数，质量，群众，大量；substance：物质，实质，主旨；matter：事件，问题，物质，内容，实质，原因；material；材料，原料，物资，素材，布料。本句的意思是：“塑料是一种广泛用于工业中的材料。”因此，D最符合题意。
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