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【单选题】
Which of the following is false about indexes?
A.
Index files are auxiliary files used to speed up searching of a data file
B.
Spatial indexes represent extended spatial data by minimum orthogonal bounding rectangles
C.
B-tree is a popular method for indexing spatial data
D.
A space-filling curve improves performance of B-tree on spatial data
E.
Some spatial objects are so large that they may have their own internal indices
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【单选题】汉译英:“承兑交单;付款交单;货到即付”,正确的翻译为( )。
A.
doCument against aCCeptanCe;doCument against payment;payment against arrival
B.
doCument against payment;doCument against aCCeptanCe;payment against arrival
C.
doCument against aCCeptanCe;payment against arrival;doCument against payment
D.
payment against arrival;doCument against payment;doCument against aCCeptanCe
【判断题】铸件一般比锻件、焊件件尺寸精确。
A.
正确
B.
错误
【单选题】汉译英:“承兑交单;付款交单;货到即付”,正确的翻译为:( )
A.
document against acceptance document against payment payment against arrival
B.
document against payment document against acceptance payment against arrival
C.
document against acceptance payment against arrival document against payment
D.
payment against arrival document against payment document against acceptance
【单选题】在旋转复合剖视图中,若再次指定了支线2的位置将会产生几个剖切平面?
A.
1
B.
2
C.
3
D.
4
【单选题】“人类环境”这个概念是在1972年联合国人类环境会议上被提出的,它是指以(    )为中心、为主体的外部世界。
A.
人类    
B.
生物
C.
生态系统    
D.
生物和非生命物质
【单选题】汉译英:“承兑交单”,正确的翻译为( )。
A.
Document Against Acception
B.
Document Against Payment
C.
Document Against Dispose
D.
Document Against Acceptance
【判断题】铸件一般比锻件、焊接件尺寸精确
A.
正确
B.
错误
【多选题】海藻中的哪些成分具有较好的护发作用?( )
A.
维生素
B.
糖醛衍生物
C.
岩藻糖聚合物
D.
硫酸化半乳聚糖
【简答题】承兑交单(汉译英)
【单选题】右侧大脑皮层顶叶损伤时,病人常出现:
A.
运动失语症
B.
失读症
C.
失写症
D.
穿衣失用症
E.
感觉性失语症
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