按（）分类，可以把抽样方案分为调整型抽样和非调整型抽样。
A.质量指标
B.抽样次数
C.交付检验是否组批
D.是否利用产品质量历史
参考答案：B
根据意思，补全对话。
A: What do you usually do at the 1.________, Sissi?
B: I often go to the 2.________. I like insects. There are many insects in it.
I like 3.________ cartoons, too. 4.________do you 5.________ your weekends, Paul?
A: I often make puppets. It 6.________ interesting. How 7.________ your sister Helen
spend her weekends?
B: She often 8. ________ to music. Sometimes we do housework 9.________the weekends.
Do you do housework, 10.________?
A: 11.________, I do.
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