1. 1. Tall building and their shadows, 2. A ship and its wake. 3. A large stadium, 4.Bridge, 5. Residential street patterns. 6. Marinas for small boats 第一题第一题

2. 第二题第二题 1. A small, meandering river. 2. A large river. 3. Small ponds. 4. Farms fields showing bare ground. 5. Forest. 6. Roads

3. 1. Standing forest. 2. Swamp 3. Deep river valley. 4. Old forest clearcut. 5. Logging roads. 6. Recent forest clearcut 第三题第三题

4. 1. Forests. 2. Deep water areas. 3. Shallow water areas. 4. Clouds and their shadows 5. A river carrying sediment into the Basin 第四题

5. AT A: There are some small openings in the forest which are caused by: 1.Insects destroying the forest 2. Beavers( 海狸 ) cutting down the trees 3. People cutting some of the forest to make room for houses and gardens 4. Aliens landing their flying saucers. Sandspit 第五题

6. Sandspit: at B: There is a light blue, straight line which is: 1. A scratch on the picture 2.A long, skinny garden 3. A short road 4. An airplane landing strip Sandspit 第六题

7. Sandspit: at C The colouring here is pink and white which means that: 1.The vegetation is very sparse (thin). 2.There is dense forest here. 3. There are lots of pink and white buildings. 4. Aliens are still landing their flying Sandspit 第七题

8. Sandspit: at D This patch of dark, slightly red coloured area is off the shoreline, in the ocean. If red colour means vegetation, then this area must be: 1. Trees that have been cut and are now floating in the ocean. 2. Seaweed growing in shallow water. 3. A flooded lawn 4. Aliens growing an underwater Sandspit 第八题

9. Sandspit: at E This light blue feature in the ocean can ’ t be vegetation but it.s a strange shape. It must be: 1. Made of sand 2. Naturally, not artificially created 3. A shallow- water sandbar formed by tides and current 4. All of the above Sandspit 第九题

10. Sandspit: at F There is a light blue semicircle on the shoreline. The colour and shape mean that it is: 1. A sand pit 2. A hill made of sand 3. Deep water 4. Sand outflow at the mouth of a river. Sandspit 第十题

11. Queen Charlotte City: at A,B Two different shades of red in a forested area mean that: 1. The imaging sensor on board the satellite is confused. 2. There are two major types of forest here. 3. One shade of red is forest, the other is sand. 4. The darker shade of red is a cloud shadow. Queen Charlotte city 第十一题

12. Queen Charlotte City: at C: This area of light blue covers Queen Charlotte City. It extends along the shore and has patches inland. You can see roads through the forest and a pier for docking ships. But you cannot see streets or buildings on this image because: 1. The buildings are hidden in the woods. 2. There are no buildings here, just tents. 3. There are very few buildings and they are too small to see with this imaging sensor. 4. The buildings look the same as trees. Queen Charlotte city 第十二题

13. Queen Charlotte City: at D There is a light blue fringe around each island in this image because: 1.There is no forest there (red colour). 2. The water is not deep(black colour). 3.All the shorelines are made of sand and rock in shallow water. 4. All of the above. Queen Charlotte city 第十三题

14. Question Which road is oriented north-south? The one at: A: (1.6, 1.2) B: (3.1, 0.6) C: (1.4, 3.0) D: (2.0, 0.5) E: (1.1, 0.6) 第十四题

15. A: light pink in colour (no vegetation) B: green in colour (covered with vegetation) C: has equal amounts of pink and green Directly west of (1.6, 3.2) is a small island in the river which is: question 第十五题

16. A: almost 3 km long B: more than 1 km long C: much less than 1 km long D: I can.t tell how long without taking a trip there. Find the town (blue/purpl e) on the south shore of the big river, Look carfully for the bridge that crosses the river near the town. This bridge is 第十六题

17. A: 17 km B: 28 km C: 14 km D: 11.4467 km If I wanted to take a boat trip along the River from where it enters the satellite image to where it exits the image, my trip length would be (a piece of string or a shoelace would help you in this task): question 第十七题

18. A: between 2 and 3 square kilometres B: a bit less than 1 square km C: more than 4 square kilometres The very light pink/white field at: (2.6, 2.6) has an area of about: question 第十八题

19. The yellow-green feature at (0.4, 1.3) is a golf course. If you lived in the town of Prince Albert, at (4.4, 1.1) and wanted to drive to this golf course, the distance would be about: A: 12 km C: 8 km B: 22 km D: 10 km question 第十九题

20. Looking at things from directly above is very different from the normal way that we see things. But when we use satellite imagery, we have to get used to how things look from space. Try the following activity to see this difference. There are two sets of pictures of places in the city of Ottawa and vicinity. One set was taken from an airplane, looking at things from an angle obliquely, that is). which is a more familiar way to see things. The other set was taken from satellite, looking at things from directly above. which we are not used to.

21. 第二十题

22. 第二十一题

23. 第二十二题

24. 第二十三题

25. 第二十四题

26. 第二十五题

27. 第二十六题

28. 第二十七题