题目内容
阅读理解
阅读下列短文，从每题所给的四个选项(A、B、C、D)中选出最佳选项。
Not only farmers but scientists have studied weather forecastiong (预报). People, for many centuries and in all countries, have studied the weather and tried to make weather forecasts. Sometimes distant objects such as hills and tall trees seem to be very clear and near, This is a sign of much water - vapour in the air, and therefore a rain will probably come.
When distant sounds (such as the noise from a train, birds singing, or people shouting) are very clearly heard, then wet and stormy weather is on the way.
Rings round the sun are a sigh of coming rain.
Many people feel the coming of wet weather in their bones. Their joints hurt. Some birds fly high if fine weather is coming, but they fly very near the ground if rainy weather of a storm is on the way. This is probably because the insects, which they are hunting, fly low at that time. If you see a rainbow during rainy weather, this is a sign that the weather will clear up and become fine. Such rainbows come in the evening. If the start twinkle clearly at night, fine weather will continue. If a mist appears in the early morning, just about sunrise, the day will be warm.
If the sunset is mostly red in color, the following day will be fine. When big cumulous clouds (积云) appear at sunset, the bad weather will follow the next day.
If cirrus clouds remain quite still, fine weather will come. If a rainbow appears in the morning, then rainy weather will probably come. Most of the above sayings have been made up by people who have used their eyes and their brains to forecast the weather.
1．Some birds fly high if fine weather is coming, because ________.
[ ]
A．they fly high to catch insects
B．they can fly high when fine weather is coming
C．they like fine weather
D．they feel very happy
2．When big cumulous clouds appear at sunset then the weather will ________ the next day.
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3．Weather will be fine if ________.
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A．you see rings round the sun
B．you see the distant objects very clear and near
C．you feel pain in your bones
D．the stars twinkle clearly at night
4．If you see a rainbow during rainy weather, it shows that the weather will clear up and become fine. This is because ________.
[ ]
A．there is much water - vapour in the air
B．there is not much water - vapour in the air
C．there is not any water - vapour in the air
D．there are all kinds of water - vapour in the air
新思维假期作业寒假吉林大学出版社系列答案
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