阅读理解Afterseveraldays’warmweatheraround

阅读理解 After several days’ warm weather around the New Year’s Day，a strong cold wave with a sandstorm from Mongolia attacked Tianjin Sunday afternoon.From 3 o’clock p.m.，the strong cold wave from Mongolia engulfed（吞没）most areas of North China and the biggest wind-force was 7.Tianjin also suffered this year’s first sandstorm with the cold wind whistling.The sky became dusky and the air was permeated with sand.By 11 o’clock at night，the wind became weaker and the sandstorm died down.From Monday morning，the northern areas had a big drop in temperature.It is learned that flu and the infection of the upper respiratory tract are easy to be infected due to the severe pollution by dust in the air.Relevant experts remind residents to pay attention to their health care.1..The underlined word“permeated”most probably means______.A.clearedB.filledC.blowingD.replaced2.We learn that ______from the passage.A.sandstorms result in the fall of temperatureB.we can easily get infected by the dusty airC.it is usually warmer before sandstorms comeD.sandstorms usually come around the New Year’s Day

BB解析1.permeated此处应该是“弥漫”之意。2.沙尘暴使得空气弥漫着灰尘，使空气受到污染，人们容易受到空气污染的影响。

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