limitsHow will the government know what the air quality is?
(1)【◆题库问题◆】：[单选,材料题] How will the government know what the air quality is?根据下列短文，回答下面的题目。 A panel of government officials is worrieD．The air quality in some areas is not gooD．Theair is polluted with soot．The officials w