第一章 单元测试
1、 A ( ) is a computer system for capturing, storing, querying, analyzing, and displaying geospatial data.
A:Global Navigation Satellite Systems(GNSS)
B:Remote Sensing (RS)
C:Global Positioning System(GPS)
D:Geographic Information System (GIS)
答案: Geographic Information System (GIS)
2、 ( ) explicitly expresses the spatial relationships between features, such as two lines meeting perfectly at a point.
A:Vector data
B:Raster data
C:Topology
D:Polygons
答案: Topology
3、 The raster data model uses ( ) to represent spatial features.
A:A grid and grid cells
B:Point features
C:Line features
D:Polygon features
答案: A grid and grid cells
4、 The vector data model uses ( ) to represent spatial features with a clear spatial location and boundary.
A:Points
B:Lines
C:Pixels
D:Polygons
答案: Points
Lines
Polygons
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:Manual digitizing
C:Use existing data
D:Scanning
答案: Create new data
Use existing data
6、 Feature-based query can involve either attribute or spatial data. （ ）
A:对
B:错
答案: 对
7、 Buffering combines geometries and attributes from different layers to create the output. （ ）
A:对
B:错
答案: 错
8、 GIS models can be grouped into four general types: binary model，index model，regression model，and mathematic model. （ ）
A:对
B:错
答案: 错
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: 对
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:对
B:错
答案: 对
第二章 单元测试
1、 A （ ）is a mathematical model of the Earth, which serves as the reference or base for calculating the geographic coordinates of a location.
A:geodetic coordinates
B:geoid
C:datum
D:spheroid
答案: datum
2、 （ ），an even closer approximation of the Earth, has an irregular surface, which is affected by irregularities in the density of the Earth’s crust and mantle.
A:The geoid
B:Mean sea level
C:Spheroid
D:Datum
答案: The geoid
3、 Which following projections are conformal projections? ( )
A:Lambert conformal conic projection
B:Transverse Mercator projection
C:Albers equal-area conic projection
D:Mercator projection
答案: Lambert conformal conic projection
Transverse Mercator projection
Mercator projection
4、 Which following characteristics belong to Transverse Mercator projection ? ( )
A:Use standard meridian
B:Conformal
C:No length distortion on standard meridian
D:An equivalent projection
答案: Use standard meridian
Conformal
No length distortion on standard meridian
5、 5If I want to preserve direction during projection, I need to choose ( ) map projection.
A:Conformal projection
B:Equivalent projection
C:Equidistant
D:Azimuthal projection
答案: Azimuthal projection
6、 The principal scale applies only to the standard line in a map projection. （ ）
A:对
B:错
答案: 对
7、 The projection you choose significantly affects the properties of a large-scale map but has less effect on the properties of a small-scale map. （ ）
A:对
B:错
答案: 错
8、 8A map projection allows us to work with longitude and latitude values rather plane coordinates. （ ）
A:对
B:错
答案: 错
9、 9A standard line refers to the line of tangency between the projection surface and the reference globe, including standard parallel and standard meridian. （ ）
A:对
B:错
答案: 对
10、 The origin of local datum is at the center of the Earth. ( )
A:对
B:错
答案: 错
第三章 单元测试
1、
The ( ) of a raster refers to the number of bits for storing cell values, a higher ( ) means that the cell can store a wider range of values.
A:Cell size
B:Cell depth
C:Raster format
D:Raster pixels
答案: Cell depth
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