第一章测试1.A ( ) is a computer system for capturing, storing, querying, analyzing, and displaying geospatial data.
A:Geographic Information System (GIS) B:Global Positioning System(GPS) C:Global Navigation Satellite Systems(GNSS) D:Remote Sensing (RS)
答案:A
2.( ) explicitly expresses the spatial relationships between features, such as two lines meeting perfectly at a point.
A:Vector data B:Raster data C:Polygons D:Topology
答案:D
3.The raster data model uses ( ) to represent spatial features.
A:Polygon features B:Line features C:A grid and grid cells D:Point features
答案:C
4.The vector data model uses ( ) to represent spatial features with a clear spatial location and boundary.
A:Lines B:Pixels C:Polygons D:Points
答案:ACD
5.The most expensive part of a GIS project is data acquisition, and two basic options for data acquisition are ( ).
A:Create new data B:Use existing data C:Scanning D:Manual digitizing
答案:AB
6.Feature-based query can involve either attribute or spatial data. （ ）
A:对 B:错
答案:A
7.Buffering combines geometries and attributes from different layers to create the output. （ ）
A:错 B:对
答案:A
8.GIS models can be grouped into four general types: binary model，index model，regression model，and mathematic model. （ ）
A:错 B:对
答案:A
9.A zonal operation of raster data analysis operates on a group of cells with same values or like features. ( )
A:对 B:错
答案:A
10.A process model integrates existing knowledge about the environmental processes in the real world and quantifies the processes with a set of relationships and equations. （ ）
A:错 B:对
答案:B
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