六级练习2015.05.07
[audio]http://sound.yywz123.com/tingbbs/cet6/cet620150507.mp3[/audio]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,
(1)____________ There are many signs that can help you. For example, in fair weather the air pressure is generally high, the air is still and often full of dust, and far away
objects may look vague. But when the storm is brewing, the pressure drops, (2)____________ Sailors took note of this long ago, and came up with the saying, “The farther the
sight, the nearer the rain.” Your sense of smell can also help you detect the weather changes. Just before it rains, odors 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 stormy day will be tied”. (3)____________ It is commonly known that many
people feel pains in their bones or joints while the humidity rises, the pressure drops, and bad weather is on the way.
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