2. 外语
  3. 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

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

admin2011-03-01  64
问题    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【C1】______you know what to look for, you can use your own【C2】______to make weather predictions.
   There are many【C3】______which can help you. For example, in fair weather the air pressure is generally【C4】______. The air is still and often full of dust. Faraway objects may look【C5】______. But when a storm is gathering, the pressure【C6】______and you are often able to see things【C7】______clearly. Sailors took note of this long ago and came【C8】______with a saying "The farther the sight, the nearer the rain."
   Your sense of【C9】______can also help you find weather changes. Just【C10】______it rains, odours become stronger. This is【C11】______odours are suppressed in a fair, high-pressure center. When a bad weather low moves【C12】______, air pressure lessens and odours are【C13】______.
   You can also hear a(n)【C14】______storm. An old saying【C15】______it this way: "Sound travelling far and wide, a stormy day will betide."
   And don’t【C16】______if your grandfather says he can【C17】______a storm coming. It is commonly known【C18】______many people feel pains in their bones when the humidity【C19】______, the pressure drops, and bad weather is on the【C20】______.
【C10】
选项 A、when
B、as
C、after
D、before
答案D
解析 考查介词与上下文理解。文章谈论的是对天气进行预测，所以此处也应指在下雨前利用嗅觉进行预测，故选before。其余三项都不合这一逻辑。
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