赞题库-背景图

单项选择题

According to the woman, what do 90-day forecast predict fairly accurately

A．The amount of cloud covering.
B．The wind conditions.
C．The amount of snow.
D．The temperature.

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单项选择题Why is it difficult to predict the weather for in advance for Autumn

A．Some forecasting machines do not work well in hot weather.
B．The weather patterns are more changeable in the autumn.
C．Experts spend less time studying autumn.
D．The National Weather Service misplaced its spring and summer data.

单项选择题On what aspect of weather forecasting does the conversation focus

A．How much it has improved in recent years.
B．How reliable long-range forecasts are.
C．How long it takes to become a meteorologist.
D．How the current forecast will affect the speakers.