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提问人：网友netweal 发布时间：2022-01-07

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Landsat 7 knows that Alaskan glaciers have shrunk because ______.A．sightseers have noted t

Landsat 7 knows that Alaskan glaciers have shrunk because ______.

A．sightseers have noted the changes

B．computer-animated views have shown the shrinkage

C．one of the glaciers was hit by a ship

D．the temperatures are much colder

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更多“Landsat 7 knows that Alaskan glaciers have shrunk because ______.A．sightseers have noted t”相关的问题

第1题

Landsat 7 knows that Alaskan glaciers have shrunk because __. A．sightseers have noted the

changes B．computer-animated views have shown the shrinkage C．one of the glaciers was hit by a ship D．the temperatures are much colder

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第2题

Landsat 7/8陆地卫星能探测哪些海洋要素或过程（至少答出3种）？

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第3题

Landsat至今已经发射了8颗卫星，目前正常运行的是。

A.Landsat 5

B.Landsat 6

C.Landsat 7

D.Landsat 8

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第4题

LANDSAT 7/8陆地卫星能探测哪些海洋要素或过程？

A.海洋水色

B.SST

C.海洋涡旋

D.上升流

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第5题

下述遥感卫星中全色波段空间分辨率最高的是（）

A.Landsat 7 ETM+

B.SPOT 5

C.GF-2

D.WorldView 2

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第6题

Terra will be a better satellite because A．no other country can make one like it B．it is

much cheaper to operate C．it is more sophisticated than Landsat 7 D．Terra will show energy gains

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第7题

There Pictures from outer space now show us how much land has changed on earth. These imag

es are taken by Landsat 7, a government satellite. The satellites have been used for 27 years. They reveal the clear-cutting of forests in the northwestern part of the United States. Pictures show the loss of rain forests in South America.

NASA's Darrel Williams speaks about the Landsat 7 Project. He said that an eruption caused trees to burn up in a large forest. Fifteen years later, pinkish images from space show that the trees and plant life are growing again. Williams says that clear-cut areas easily show up in the pictures. He wants Americans to look at how much land is being cleared of forests in our country.

Satellites have provided other information about changes on earth. In the past ten years, more than four miles have shrunk from glaciers in Alaska. Landsat 7 received these computer images of Glacier Bay in Alaska.

Hurricanes Floyd and Irene have damaged the coastline in North Carolina. Runoff from farms and silt have gone into the ocean according to satellite images. Loss of trees and forests have caused hotter summers in southern cities such as Atlanta, Georgia.

The Landsat 7 images are like pictures in a photo album. Instead of pictures of the family, the album shows changes around the globe in the past 25 years.

A new satellite, Terra, is going to be launched by NASA soon. It will be more advanced that Landsat 7 and will take important global pictures. Ocean temperatures and energy loss will be provided by Terra daily.

Landsat 7 shows how changes have occurred on land by sending back ______.

A．images taken with a Polaroid camera

B．the latest images taken by a government satellite

C．a television camera

D．astronauts

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第8题

Landsat至今已经发射了7颗卫星，目前正常运行的是。

A.SPOT 4、SPOT 5

B.SPOT 5、SPOT 6

C.SPOT 4、SPOT6

D.SPOT 6、SPOT 7

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第9题

根据以下资料，回答4~7题。 There Pictures from outer space now show us how much land has ch

anged on earth．These images are taken by Landsat 7, a government satellite．The satellites have been used for 27 years．They reveal the clear-cutting of forests in the northwestern part of the United States．Pictures show the loss of rain forests in South America. NASA's Darrel Williams speaks about the Landsat 7 Project．He said that an eruption caused trees to burn up in a large forest．Fifteen years later, pinkish images from space show that the trees and plant life are growing again．Williams says that clear-cut areas easily show up in the pictures．He wants Americans to look at how much land is being cleared of forests in our country. Satellites have provided other information about changes on earth．In the past ten years, more than four miles have shrunk from glaciers in Alaska．Landsat 7 received these computer images of Glacier Bay in Alaska. Hurricanes Floyd and Irene have damaged the coastline in North Carolina．Runoff from farms and silt have gone into the．ocean according to satellite images．Loss of trees and forests have caused hotter summers in southern cities such as Atlanta, Georgia. The Landsat 7 images are like pictures in a photo album．Instead of pictures of the family, the album shows changes around the globe in the past 25 years. A new satellite, Terra, is going to be launched by NASA soon．It will be more advanced than Landsat 7 and will take important global pictures．Ocean temperatures and energy loss will be provided by Terra daily. NASA can tell that vegetation is growing back because of __. A．a bright, white light that is reflected B．little tiny trees that are growing C．vegetable gardens that are planted D．a light, pinkish view from space

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第10题

Landsat系列卫星运行的特点包括哪些？具有什么现实意义？

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