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【多选题】
正交平面参考系由 {.XZ} 组成。A.
基面
B.
法平面
C.
切削平面
D.
正交平面
E.
背平面
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【单选题】听力原文：F: Good morning, Professor Zhang. Welcome to our program. Would you like to say hello to the audience? M: Hello, everyone! And good morning, Miss Zhou. I'm glad to be here to attend your program....
A.
In a TV studio.
B.
In an auditorium.
C.
In a laboratory.
D.
In a classroom.
【简答题】视口中四个视图的快捷键:顶视图_______前视图________ 左视图 透视图
【简答题】The afternoon on December 25 in the waiting room , I was the nurse on duty . When I felt sad about having to _36_ on Christmas Day , a woman and four small children showed up at my desk . “ Are you al...
【简答题】通过利率与通货膨胀率挂钩来保证债权人不至于因为物价上涨而遭受损失的债券是（ ）。
【单选题】听力原文：F: Good morning, Professor Zhang. Welcome to our program. Would you like to say hello to the audience? M: Hello, everyone! And good morning, Miss Zhou. I'm glad to be here to attend your program....
A.
In a TV studio.
B.
In an auditorium.
C.
In a laboratory.
D.
In a classroom.
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