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Now satellites(衛(wèi)星)are helping to forecast the weather. They are in space and they can reach any part of the world. The satellites take pictures of the atmosphere(大氣), because this is where the weather forms(形成). They send these pictures to the weather station. So meteorologists(氣象專家)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(比較)them with earlier ones. Perhaps they may find that the clouds have changed during the last few hours .This may mean 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 3 or 5 days. Soon, perhaps , they may forecast the weather for a week or more ahead(提前)
小題1:Satellites travel__________.
A．in spaceB．in the atmosphere
C．above the groundD．above space
小題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
小題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 receive satellite pictures
D．while they study satellite pictures
小題4:Maybe we’ll soon be able to forecast the weather for _______.
A．one dayB．two daysC．five daysD．seven days or even longer
小題5:The main idea of this passage is that satellite is 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

小題1:A
小題2:C
小題3:B
小題4:D
小題5:D

小題1:細節(jié)理解題，根據(jù)文中語句“They are in space and they can reach any part of the world.”理解可知。
小題2:細節(jié)理解題，根據(jù)文中語句“The satellites take pictures of the atmosphere(大氣), because this is where the weather forms(形成). They send these pictures to the weather station.”理解可知。
小題3:細節(jié)理解題，根據(jù)文中語句“When they receive new pictures, the meteorologists compare(比較)them with earlier ones.”理解可知。
小題4:細節(jié)理解題，根據(jù)文中語句“Now they can make good forecasts for 3 or 5 days. Soon, perhaps , they may forecast the weather for a week or more ahead”理解可知。
小題5:理解歸納題，縱觀文中語句理解可知。
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