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  3. To find out what the weather is going to be, most people go straight to the radio, television or newspaper to get an expert weat

To find out what the weather is going to be, most people go straight to the radio, television or newspaper to get an expert weat

admin2019-05-23  47
问题    To find out what the weather is going to be, most people go straight to the radio, television or newspaper to get an expert weather forecast. But if you know what to look for, you can use your own senses to make weather predictions.
   There are many signs which can help you. For example, in fair weather the air pressure is generally high. The air is still and often full of dust. Faraway objects may look hazy. But when a storm is brewing, the pressure drops and you are often able to see things more clearly. Sailors took note of this long ago and came up with a saying "The farther the sight, the nearer the rain. "
   Your sense of smell can also help you detect weather changes. Just before it rains, odors(气味)become stronger. This is because odors are repressed in a fair, high-pressure center. When a bad weather low moves in, air pressure lessens and odors are released.
   You can also hear an approaching storm. Sounds bounce off heavy storm clouds and return to earth with increased force. An old saying describes it this way, "Sounds traveling far and wide, a storm day will betide(降临)."
   And don’ t scoff if your grandmother says she can feel a storm coming. It is commonly known that many people feel pains in their bones when the humidity rises, the pressure drops, and bad weather is on the way.
The topic of this passage could be______.
选项 A、Expert Weather Forecast
B、Seeing Approaching Storms
C、Old Sayings about Weather
D、Using the Senses to Detect Weather Changes
答案D
解析 主旨大意题。文章第二、三、四段分别从视觉、嗅觉和听觉方面讲述了如何感知天气的变化。故选D。
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