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【单选题】
根据球面加工的原理，铣刀回转轴线与球面工件轴线的交角确定球面的（）A.
半径尺寸
B.
形状精度
C.
加工位置
D.
表面质量
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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】______ I you, I would go with him to the party.
A.
Was
B.
Had been
C.
Will be
D.
Were
【单选题】The pattern of organization used in paragraphs 30-36 is ______
A.
list of items.
B.
time order.
C.
cause and effect.
D.
comparison.
【单选题】What is the pattern of structure mainly used in Para.8?
A.
Comparison and contrast
B.
Cause and effect
C.
Classification
D.
Definition
E.
Process analysis
F.
Exemplification
【简答题】物主代词 1. I _________ 2. they _________ 3. him ________ 4. she _________ 5. us ________ 6. you _________ 7. it __________ 8. yourself _____
【简答题】I meant to help him, ______(expect) I have brought him trouble.
【简答题】Amy: And you believe him, ______ ?Talia: I want to believe him, but I'm not sure.
【单选题】The CN – ion is widely used in the synthesis of organic compounds. What is the pattern of electron pairs in this ion?
A.
。
B.
，，
C.
，，，
D.
；
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