摘要:B Now satellites are helping to forecastthe weather. They are in space, and they can reach any part of the world. The satellites take pictures of the atmosphere, because this is where the weather forms. They send these pictures to the weather stations. So meteorologistscan see the weather of any part of the world. From the pictures, the scientists can often say how the weather will change. Today, nearly five hundred weather stations in sixty countries receive satellites pictures. When they receive new pictures, the weather meteorologists compare them with earlier ones. Perhaps they may find that the clouds have changed during the last few hours. This may mean that the weather on the ground may soon change, too. In their next weather forecast, the meteorologists can say this. The weather satellites are a great help to the meteorologists. Before satellites were invented, the scientists could forecast for three or five days. Soon, perhaps, they may be able to forecast the weather for a week or more ahead. 46. Satellites travel . A. above space B. above the ground C. in the space D. in space 47. Satellites are now used in . A. the study of the space C. comparing pictures B. receiving pictures D. weather forecasting 48. Weather satellites take pictures of the atmosphere because . A. clouds form there C. comparing pictures B. the weather disappear there D. these pictures can help forecast the weather 49. Meteorologists forecast the weather . A. after they have compared new satellite pictures with earlier ones B. after they have taken pictures of clouds C. before they have received pictures D. when they have received satellite pictures 50. Which of the following statements is NOT true according to the passage? A. Now satellites can forecast the weather for a longer time. B. Scientists can make good forecast with the help of satellites. C. Satellites can take pictures and send them to the weather stations. D. The weather forms in the atmosphere around the earth.

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Now satellites are helping to forecast(预报)the weather. They are in space, and they can reach any part of the world. The satellites take pictures of the atmosphere(大气), because this is where the weather forms. They send these pictures to the weather stations. So meteorologists(气象学家)can see the weather of any part of the world. From the pictures, the scientists can often say how the weather will change.

Today, nearly five hundred weather stations in sixty countries receive satellite pictures. When they receive new pictures, the meteorologists compare them with earlier ones. Perhaps they may find that the clouds have changed during the last few hours. This may mean that the weather on the ground may soon change, too. In their next weather forecast, the meteorologists can say this.

The weather satellites are a great help to the meteorologists. Before satellites were invented, the scientists could forecast the weather for about 24 or 48 hours. Now they can make good forecasts for three or five days. Soon, perhaps, they may be able to forecast the weather for a week or more ahead.

1.Satellites travel     .

A. above space?                        B.above the ground

C.in the space?                        D.in space

2.Satellites are now used in     .

A. the study of space?                    B.receiving pictures

C.comparing pictures?                      D.weather forecasting

3.Weather satellites take pictures of the atmosphere because     .

A. clouds from there

B.the weather disappears there

C.comparing pictures

D.these pictures can help forecast the weather

4.Meteorologists forecast the weather     .

A. after they have compared new satellite pictures with earlier ones

B.after they have taken pictures of clouds

C.before they have received pictures

D.when they have received satellite pictures

5.Men will soon be able to forecast the weather for     .

A.24 hours?                          B.48 hours

C.168 hours or even longer?               D.a month

 

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Now satellites are helping to forecast(预报)the weather. They are in space, and they can reach any part of the world. The satellites take pictures of the atmosphere(大气), because this is where the weather forms. They send these pictures to the weather stations. So meteorologists(气象学家)can see the weather of any part of the world. From the pictures, the scientists can often say how the weather will change.

Today, nearly five hundred weather stations in sixty countries receive satellite pictures. When they receive new pictures, the meteorologists compare them with earlier ones. Perhaps they may find that the clouds have changed during the last few hours. This may mean that the weather on the ground may soon change, too. In their next weather forecast, the meteorologists can say this.

The weather satellites are a great help to the meteorologists. Before satellites were invented, the scientists could forecast the weather for about 24 or 48 hours. Now they can make good forecasts for three or five days. Soon, perhaps, they may be able to forecast the weather for a week or more ahead.

1.Satellites travel     .

A. above space?                        B.above the ground

C.in the space?                        D.in space

2.Satellites are now used in     .

A. the study of space?                    B.receiving pictures

C.comparing pictures?                      D.weather forecasting

3.Weather satellites take pictures of the atmosphere because     .

A. clouds from there

B.the weather disappears there

C.comparing pictures

D.these pictures can help forecast the weather

4.Meteorologists forecast the weather     .

A. after they have compared new satellite pictures with earlier ones

B.after they have taken pictures of clouds

C.before they have received pictures

D.when they have received satellite pictures

5.Men will soon be able to forecast the weather for     .

A.24 hours?                          B.48 hours

C.168 hours or even longer?               D.a month

 

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阅读理解

  Now satellites are helping to forecast (预报) the weather. They are in space, and they can reach any part of the world. The satellites take pictures of the atmosphere, because this is where the weather forms. They send these pictures to the weather stations. So meteorologists (气象学家) can see the weather of any part of the world. From the pictures, the scientists can often say how the weather will change.

  Today, nearly five hundred weather stations in sixty countries receive satellite pictures. When they receive new pictures, the meteorologists compare them with earlier ones. Perhaps they may find that the clouds have changed during the last few hours. This may mean that the weather on the ground may soon change, too. In their next weather forecast, the meteorologists can say this.

  The weather satellites are also used for other work. So satellites are great help to the meteorologists. Before satellites were invented, the scientists could forecast the weather for about 24 or 48 hours. Now they can make good forecasts for three or five days. Soon, perhaps, they may be able to forecast the weather for a week or more ahead.

1.As we know, satellites travel ________.

[  ]

A.in the atmosphere
B.above the ground
C.in space
D.above space

2.According to the passage satellites are used in ________.

[  ]

A.weather forecasting
B.the study of space
C.receiving pictures
D.comparing pictures

3.Weather satellites take pictures of the atmosphere because ________.

[  ]

A.it is easy to do
B.clouds form there
C.the weather forms there
D.rain and snow form there

4.Meteorologists forecast the weather ________.

[  ]

A.when they receive satellite pictures

B.after they have compared new satellite pictures with earlier ones

C.before they receive pictures

D.after they have taken pictures of clouds

5.With the development of science and technology, man will soon be able to forecast the weather for ________.

[  ]

A.24 or 48 hours
B.three or five days
C.nearly a week
D.a week or even longer
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阅读理解

  Now satellites are helping to forecast (预报) the weather. They are in space, and they can reach any part of the world. The satellites take pictures of the atmosphere, because this is where the weather forms. They send these pictures to the weather stations. So meteorologists (气象学家) can see the weather of any part of the world. From the pictures, the scientists can often say how the weather will change.

  Today, nearly five hundred weather stations in sixty countries receive satellite pictures. When they receive new pictures, the meteorologists compare them with earlier ones. Perhaps they may find that the clouds have changed during the last few hours. This may mean that the weather on the ground may soon change, too. In their next weather forecast, the meteorologists can say this.

  The weather satellites are also used for other work. So satellites are great help to the meteorologists. Before satellites were invented, the scientists could forecast the weather for about 24 or 48 hours. Now they can make good forecasts for three or five days. Soon, perhaps, they may be able to forecast the weather for a week or more ahead.

(1)As we know, satellites travel ________.

[  ]

A.in the atmosphere
B.above the ground
C.in space
D.above space

(2)According to the passage satellites are used in ________.

[  ]

A.weather forecasting
B.the study of space
C.receiving pictures
D.comparing pictures

(3)Weather satellites take pictures of the atmosphere because ________.

[  ]

A.it is easy to do
B.clouds form there
C.the weather forms there
D.rain and snow form there

(4)Meteorologists forecast the weather ________.

[  ]

A.when they receive satellite pictures

B.after they have compared new satellite pictures with earlier ones

C.before they receive pictures

D.after they have taken pictures of clouds

(5)With the development of science and technology, man will soon be able to forecast the weather for ________.

[  ]

A.24 or 48 hours
B.three or five days
C.nearly a week
D.a week or even longer
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阅读理解

  Can you believe that satellites are helping to forecast(预报)the weather now? Being in space, they can reach any part of the world.The satellites take pictures of the atmosphere(大气), because this is where the weather forms.They send these pictures to the weather stations, so meteorologists(气象学家)can see the weather of any part of the world.From the pictures, the scientists can often say how the weather will change.

  Today, nearly five hundred weather stations in sixty countries receive satellite pictures.When they receive new pictures, the meteorologists compare them with earlier ones.Perhaps they may find that the clouds have changed during the last few hours.This may mean that the weather on the ground may soon change, too.In their next weather forecast, the meteorologists can say this.

  So the weather satellites are a great help to the meteorologists.Before satellites were invented, the scientists could forecast the weather for about 24 or 48 hours.Now they can make good forecasts for three or five days.Soon, they may be able to forecast the weather for a week or more ahead.

(1)

Satellites travel ________.

[  ]

A.

in space

B.

in the atmosphere

C.

above the ground

D.

above space

(2)

Why do we use the weather satellites to take pictures of the atmosphere? Because ________.

[  ]

A.

the weather satellites can do it easily

B.

clouds form there

C.

the weather forms there

D.

the pictures can forecast the weather

(3)

Meteorologists forecast the weather ________.

[  ]

A.

when they have received satellite pictures

B.

after they have compared new satellite pictures with earlier ones

C.

before they received satellite pictures

D.

during they study satellite pictures

(4)

Maybe we’ll soon be able to forecast the weather for ________.

[  ]

A.

one day

B.

two days

C.

five days

D.

seven days or even longer

(5)

The main idea of this passage is that satellites are now used in ________.

[  ]

A.

taking pictures of the atmosphere

B.

receiving pictures of the atmosphere

C.

doing other work in many ways

D.

weather forecasting

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