分析 本文敘述了最近的研究發現在中國北方由于空氣污染,人們的平均壽命減少了5.5歲.空氣污染主要是由煤燃燒產生的廢氣導致的.研究人員認為,空氣污染對人們的健康有害,中國政府應該強烈對抗空氣污染,為改善環境采取更多的措施.
解答 46、A.細節題.結合第一段Scientists think that it is because of the heavy air pollution.可知是因為空氣污染嚴重,故選A.
47、B.推理題.結合第三段第一句There was serious smog and haze in Beijing in the first days of December in 2015.是說北京的一次嚴重的霧霾,用此來舉例嚴重的空氣污染,故選B.
48.C:細節理解題.根據We need to improve our environment,although it might be expensive.Protecting our environment means protecting ourselves,"Li Hongbin,可知李宏斌認為要改善環境,減少污染,雖然可能要花很多錢.故選C.
49.C:推理判斷題.根據A recently study found people's lives are made shorter in North China.可知最近的研究發現在中國北方人們的平均壽命減少了.這是關于日常生活的研究,故推測這篇文章摘自一篇報道.故選C.
50.B:概括歸納題.根據Air pollution in China is doing harm to people's health.和Chinese government should strongly fight against air pollution.可知本文主要講空氣污染對人們的健康有害,中國政府應該強烈對抗空氣污染,為改善環境采取更多的措施.故選B.
點評 本文有一定的難度,文章稍長,出現了一些生詞需要自己結合文章來理解,本文的問題大部分是細節理解題,可以直接從文中找出,剩下的是主旨大意題只要理解文章意思也可輕松解答.
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