【題目】我國(guó)2016年環(huán)境日主題為“改善環(huán)境質(zhì)量,推動(dòng)綠色發(fā)展”。讀下表,回答下列問(wèn)題。

城市

濱州市

青島市

東營(yíng)市

煙臺(tái)市

AQI

76

51

83

60

級(jí)別

二級(jí)

一級(jí)

二級(jí)

二級(jí)

1AQI即空氣污染指數(shù),數(shù)值越大,表示污染越嚴(yán)重。表中城市空氣質(zhì)量最好的是(  )

A. 濱州市 B. 青島市

C. 東營(yíng)市 D. 煙臺(tái)市

2下列行為對(duì)改善空氣質(zhì)量有幫助的是(  )

A. 多開(kāi)私家車

B. 露天焚燒垃圾

C. 騎自行車或步行上學(xué)

D. 未經(jīng)處理排放工業(yè)廢氣

【答案】

1B

2C

【解析】

1由題意可知,在四個(gè)城市中,東營(yíng)市的空氣污染指數(shù)最大,青島市空氣污染指數(shù)最小,所以青島市空氣質(zhì)量最好,B對(duì),ACD錯(cuò)。故選B。

2騎自行車或步行上學(xué)對(duì)改善空氣質(zhì)量有幫助,而多開(kāi)私家車、露天焚燒垃圾、未經(jīng)處理的排放工業(yè)廢氣都會(huì)加重空氣污染,C對(duì),ABD錯(cuò)。故選C。

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