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【单选题】
当的最大极限尺寸与轴的最小极限尺寸之代数差为负值时，此代数差称为（）A.
最大间隙
B.
最小间隙
C.
最大过盈
D.
最小过盈
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反馈参考答案：
举一反三
【单选题】The soldiers marched down the street, ____their flag to cheer the victory.
A.
waved
B.
waving
C.
being waved
D.
wave
【单选题】从促销的历史发展过程来看,依次实行专业化管理的促销工具的顺序是( )。
A.
广告→人员推销→公共关系→销售促进
B.
人员推销→公共关系→广告→销售促进
C.
人员推销→广告→销售促进→公共关系
D.
公共关系→广告→人员推销→销售促进
【单选题】The soldiers marched down the street, ______ their flags.
A.
waved
B.
waving
C.
being waved
D.
wave
【简答题】The soldiers marched along, ____their arms.
【单选题】I saw the soldiers ________ along the road.
A.
to march
B.
marking
C.
marched
D.
marching
【简答题】如图所示工件,加工外轮廓。
【简答题】如图所示工件,编写程序,加工外轮廓。
【单选题】When Hank marched and drilled along with the other soldiers, he ______.
A.
did everything the other soldiers did
B.
did most of the things the other soldiers did
C.
did some of the things the other soldiers did
D.
took some special training
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