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阅读理解
36、 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

37、 Silt and heavy run-off from farms in North Carolina were caused by __.
A． Hurricanes Irene and Floyd
B． Hurricanes Floyd and Carla
C． an eruption from a volcano
D． deforestation of trees

38、 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

39、根据以下资料，回答39-58题。 　　There Pictures from outer space now show us how much land has changed 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

40、 From the passage we know Shaw Taylor is __.
A． a popular TV reporter
B． a TV reporter few people know
C． a TV reporter ordinary people don't like
D． an unknown TV reporter

41、 The police station asks for public help because __.
A． ordinary people like the television programme
B． ordinary people are interested in pictures of paintings, jewellery, et
C． the policemen can not catch the thieves themselves
D． ordinary people may help the policemen get useful information about the criminals

42、根据以下资料，回答42-61题。 　　On television all over the world there are programmes about the work of the police．They are popular because they are usually very exciting．In London there is a television programme called"Police Five "--because it is on for five minutes once a week．A television reporter, Shaw Taylor, talks about crimes in the London area．He asks for public help．The police station needs the help of ordinary people because sometimes you or I have information that can be useful to the police.
　　Shaw Taylor shows pictures of paintings, jewellery (珠宝) and other things which thieves stole during the week．Sometimes he shows the car that the thieves escaped in．When people see men or things on the television programme which they may remember, they can tell the police where they saw them．With their help the police may catch more criminals.
　　Sometimes the police find a car or some money．Shaw Taylor shows them on television．The owners sometimes see them．Then they can telephone the police and say, "Thank you very much-- that's mine!" The television programme is called "Police Five", because it is about the work of the police and __.
A． it is on for five times every seven days
B． it lasts five minutes a week
C． it begins at five in the afternoon
D． it is a programme about five policemen

43、 When people see things stolen on the programme which they may remember, __.
A． they try to get the things back
B． they know their things have been stolen
C． they know their things are at the police station
D． they tell the police the whereabouts of the shown things

44、 According to the passage, we can guess it is safer to take a car driven by a woman because __.
A． she drives the car more carefully
B． she sees the road more clearly
C． she can put on the brakes more quickly
D． she has less chance of being color blind

45、 One is considered as a color blind man if __.
A． he can see the difference between red and deep red
B． he can see the difference between blue and green
C． he can't tell the difference between orange and green
D． he thinks green is the same as blue