单项选择题

According to the weather report, the pollution index was________.

A．very good
B．good
C．fair
D．poor
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单项选择题
The temperature at Ann Arbor Airport was ________degrees Fahrenheit.
A．79
B．75
C．74
D．73
单项选择题
________were reported by the weather station in Chicago.
A．Sunny skies
B．Cloudiness, but no rain
C．light showers
D．Thunderstorms
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