皮皮学，免费搜题
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【单选题】
（）是在经济、技术、科学及管理等社会实践中，以改进产品、过程和服务的适用性，防止贸易壁垒，促进技术合作，促进最大社会效益为目的，对重复性事物和概念通过制定、发布和实施标准，达到统一，获得最佳秩序和社会效益的过程。A.
标准
B.
规范
C.
规程
D.
标准化
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】—Did your dad fix the brakes on the BMW himself? —He , because he doesn’t know much about cars.
A.
has it fixed
B.
had fixed it
C.
fixed it
D.
had it fixed
【简答题】Did your dad watch TV yesterday evening? No, he______.
【单选题】Why did the narrating rat argue with his dad?
A.
His dad made him undertake too many tasks.
B.
He and his father had different views on food.
C.
The food his dad had left him was not enough.
D.
His dad forced him to steal food from kitchen.
【单选题】----What did your dad tell you, my baby? ----He said the sun _______ in the east.
A.
went up
B.
will go up
C.
goes up
D.
is going up
【单选题】A: Did your dad watch TV yesterday evening? B: No, he __________. He went to the cinema.
A.
was
B.
did
C.
wasn't
D.
didn't
【单选题】—Alan, come here. I need your help. —Sorry, Dad. I ________ the dishes now. [ ]
A.
do
B.
did
C.
am doing
D.
was doing
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