阅读理解。
No one can change the weather. Nobody can control the weather. But if we read correctly the signs
around us, we can tell what the more important changes in the weather will be. This way of telling what
the weather will be like on the following day or two is called weather forecasting. For many centuries and
in all countries, people have studied the weather and tried to make weather forecasting. Rings around the
sun are a sign of coming rain. Many people feel their joints hurt in their bones if wet weather is coming.
Some birds fly high if fine weather is coming, but they fly near the ground if rainy or stormy weather is
on the way. It is probably because of the insects (昆虫) which they are hunting that they fly low. If you
see a rainbow (彩虹) during rainy weather, this is a sign that the weather will become clear and fine. Such
rainbows come in the evening. If the stars twinkle clearly at night, then fine weather will continue. If a fog
appears in the morning just above a river, then the day will be warm. If the sunset is mostly red in color,
then the following day will be fine. If a rainbow appears in the morning, rainy weather will probably come.
Most of the above sayings have been made by the people who have used their eyes and brains to make
weather forecasting.
1. According to the passage,  people's joints ache ______.
A. is a sign of coming rain
B. without any reason
C. because they are ill
D. because of the insects
2. Which is true about weather forecasting?
A. Weather forecasting is a recorder about the weather on the following day or two.
B. Weather forecasting is a way of telling what the weather will be like.
C. Weather forecasting is a sign of coming rain.
D. People can change the weather.
3. The birds fly high and the stars twinkle clearly is a sign that the weather will ______.
A. be warm
B. be rainy
C. become clear and fine
D. be cold
4. A rainbow is a ______ of the weather.
A. sign
B. way
C. method
D. road
5. We must ______ to make weather forecasting.
A. use our eyes and brains
B. study the weather hard
C. read correctly the signs
D. All of the above

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