答案：D测试点：近义词。分析：productivity意为“生产力：生

答案：D测试点：近义词。分析：productivity意为“生产力：生产率”，而此处应当用表示“产品”的products。

Kết quả (Anh) 1:

Answer: d test points: synonyms. Analysis: productivity means "productivity: productivity", which should be used "product" of the products.

Kết quả (Anh) 2:

Answer: D test point: Thesaurus. Analysis: productivity means "Productivity: Productivity," and should be used here to mean "product" products.

Kết quả (Anh) 3:

Answer: D test points: 1. Analysis: productivity means "productivity: productivity", and here should be used to indicate the "product" of the products.