皮皮学，免费搜题
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【判断题】
不配置在剖切线的延长线上的对称移出断面,以及按投影关系配置的不对称移出断面,不可省略 箭头 。A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】passage1
【单选题】passage1
A.
How to change the design of the kitchen
B.
How to improve the taste of foods.
C.
How to change and improve the way people do things in the kitchen.
D.
How to sense what is going on in the kitchen.
【单选题】passage1
A.
No one knows for sure when they came into being.
B.
No one knows exactly where they were first made.
C.
No one knows for what purpose they were invented.
D.
No one knows what they will look like in the future.
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