题目

选词填空。 A. yellowB. andC. colourD. like E. do (1) What is it? (2) I red. (3) It's white black. (4) What colour you like? (5) It's . 答案:【1】C 【1】D 【1】B 【1】E 【1】A有一批产品,其中有12件正品和4件次品,从中任取3件,若表示取到次品的个数,则=          .
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