A new system of quality control was ______ to overcome the shortcomings in the f

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问题 A new system of quality control was ______ to overcome the shortcomings in the firm ’ s products.

选项 A、invested
B、informed
C、introduced
D、instructed

答案 C

解析本题考查动词辨析。句意：一种新的质量控制系统被引入，用来克服公司产品的缺点。invested“投资”；informed“通知”；introduced“引进”；instructed“指导”。根据句意，本题选C。

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