Country | City | PM2.5concentration (濃度) | Family (million) | Cars (million) | Ways to control PM 2.5 |
China | Beijing | 1.121 | 6.9 | 5.2 | In January 2012,PM2.5was first tested(檢測) by China.Beijing,Shanghai,Tianjin,Shandong and Wuhan have taken action to test PM 2.5step by step. |
Japan | Tokyo | 0.023 | 4.3 | 8 | Japanese experts all agree PM2.5comes from the tail gas of the car.They use the white towel to test tail gas. |
America | New York | 0.021 | 6 | 8 | In 1997,America first set up a level to test PM2.5.They use colors to show the air quality.Green means"good".Orange means"dangerous".Red means"unhealthy". |
England | London | 0.029 | 2.7 | 4 | We can test air quality (質(zhì)量)by phone and show it to the public. |
分析 短文詳細的介紹了一些國家的地區(qū)的空氣質(zhì)量,及其控制方法等.
解答 答案:51.A 細節(jié)理解題.根據(jù)第二列和第三列句子Beijing:1.121;Tokyo:0.023;New York:0.021;London:0.029.可知北京的濃度最高.故選A.
52.A 細節(jié)理解題.根據(jù)表格倒數(shù)第二行句子In 1997,America first set up a level to test PM2.5.1997年,美國第一個建立PM2.5測試標(biāo)準(zhǔn).可知是美國.故選A.
53.B 細節(jié)理解題.根據(jù)表格最后一行句子We can test air quality (質(zhì)量)by phone and show it to the public.通過電話向公眾展示空氣質(zhì)量.可知如果你去英國,你可以通過電話知道空氣質(zhì)量.故選B.
54.A 細節(jié)理解題.根據(jù)表格第三行句子Family:4.3;Cars:8.可知在東京每個家庭有近兩輛車.故選A.
55.C 細節(jié)判斷題.根據(jù)倒數(shù)第二行句子Red means"unhealthy".紅色意味著"不健康".可知在美國,人們用紅色表示PM 2.5是危險的是錯誤的.故選C.
點評 在通讀全文的基礎(chǔ)上,根據(jù)全文大意,展開邏輯思維,瞻前顧后,認真觀察選項,仔細推敲,確定最佳答案.
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