2. 外语
  3. Many pure metals have little use because they are too soft, rust too easily, or have some other drawback.

Many pure metals have little use because they are too soft, rust too easily, or have some other drawback.

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问题 Many pure metals have little use because they are too soft, rust too easily, or have some other drawback.
选项 A、property
B、additive
C、disadvantage
D、disparity
答案C
解析 drawback“缺点”与C项的disadvantage“缺点”意义一致。property“特性”；additive“添加物”；disparity“不同”。
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