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To find out what the weather is going to be, most people go directly to the television, the radio or newspaper to get a weather forecast. But (26) you know what to look for, you can use your own (27) to make weather predictions.
There are many (28) which can help you. For example, in fair weather the air pressure is generally (29) . The air is still and often full of dust. Faraway objects may look (30) . But when a storm is gathering, the pressure (31) and you are often able to see things (32) clearly. Sailors took note of this long ago and came (33) with a saying "The farther the sight, the nearer the rain."
Your sense of (34) can also help you find weather changes. Just (35) it rains, odours become stronger. This is (36) odours are suppressed in a fair, high-pressure center. When a bad weather low moves (37) , air pressure lessen
A. high
B. low
C. strong
D. weak
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