题目内容
Clenbuterol, which is better known as "lean meat powder", is banned in China as a(n) __________ in pig feed. 【黑龙江省哈市五县2011年高考模拟试卷英语卷（22）】【名词】
A. addition B. addictive C. action D. active
B
考查新增词汇，名词辨析。addictive添加剂。
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