皮皮学，免费搜题
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【判断题】
平面铣不是由三维实体来定义加工几何,而是使用通过边或者曲线创建的边界线来确定加工的区域。A.
正确
B.
错误
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】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】--- Who will send you to the new school, your mom, your dad or your uncle? --- _______. I’ll go there by myself.
A.
All
B.
Either
C.
Neither
D.
None
【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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