【題目】閱讀理解。
PM2.5--Killer in China 10:00 a.m. April 1st,2014
Rank of Air Pollution | City | AQI | PM2.5 μg/m3 | PM10 μg/m3 | SO2 μg/m3 | NO2 μg/m3 | CO μg/m3 | O3 μg/m3 |
2 | Sanya | 24 | 13 | 21 | 1 | 10 | / | 36 |
95 | Shanghai | 72 | 52 | 71 | 13 | 48 | 1.1 | 96 |
178 | Harbin | 78 | 45 | 78 | 38 | 43 | / | 54 |
259 | Beijing | 233 | 184 | 201 | 32 | 72 | 1.5 | 41 |
261 | Tangshan | 281 | 231 | 327 | 132 | 99 | 4.1 | 53 |
0--50 | Excellent | Take part in activities &breathe fresh air |
51--100 | Good | Take part in activities |
101--150 | Light pollution | Have outdoor activities less |
151--200 | Middle pollution | Have outdoor activities less |
201--300 | Heavy pollution | Stop outdoor activities |
>300 | Serious pollution | Mustn’t go outside |
AQI
PM2.5細顆粒物。PM10可吸入顆粒。AQI空氣質(zhì)量指數(shù)。
PM2.5(單位:μg/m3)表示每立方米空氣中可入肺顆粒物的含量。
根據(jù)表格所提供的信息選擇最佳答案。
【1】The AQI in Beijing is much __________ than that in Sanya.
A. better B. worse C. bad
【2】The air in ___________ is both heavy pollution.
A. Shanghai and Beijing
B. Beijing and Tangshan
C. Tangshan and Harbin
【3】If you are in Tangshan, you had better _________.
A. have outdoor activities
B. breathe fresh air
C. stay at home
【4】The amount of _______in the air in Sanya is the same as that in Harbin.
A. SO2 B. O3 C. CO
【5】Which of the following is not TRUE according to the information above?
A. The air in Harbin is middle pollution, we’d better not go out to work.
B. We can know the AQI of April 1st from the table.
C. O3 in Shanghai is the most of all the cities.
【答案】
【1】B
【2】B
【3】C
【4】B
【5】B
【解析】
試題分析:此文需要通過讀圖表從而解決問題。
【1】細節(jié)理解題。通過讀圖表中的數(shù)據(jù),可知北京的AQI值為233,而三亞的是24,由此可見,北京比三亞的差多了。故選B。
【2】細節(jié)理解題。通過讀圖表中的數(shù)據(jù),可知北京的PM2.5為184,而唐山的是231,在所有的城市中是排名前二,故這兩個城市的空氣污染嚴重,可知應選B。
【3】細節(jié)理解題。通過讀圖表中的數(shù)據(jù),可知唐山的污染值是261,而第二個表格中顯示201—300屬于嚴重污染,適宜待在室內(nèi)。故選C。
【4】通過讀圖表中的數(shù)據(jù),可知三亞和哈爾濱的一氧化碳都含量都為0,故選B。
【5】細節(jié)理解題。由兩個表格的上方可看見表格發(fā)布的日期,故選B。
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