【单选题】At present , the terrible foggy haze(雾霾)weather has influenced our normal life badly . So our government should _____ to reduce the air pollution.
【单选题】Had it not been for the haze(霾)weather phenomenon, there fewer car accidents in Beijing then.
【单选题】Had it not been for the haze(雾霾) weather phenomenon, there _____ fewer car accidents in Beijing then.
【单选题】As a result of the fog haze weather, nowadays many people are longing to live ______ the air is fresher.
【简答题】At present , the terrible foggy haze(雾霾)weather has influenced our normal life badly . So our government should _____ to reduce the air pollution . put out B.carry out C.take steps ...
【判断题】燃料量变动,炉膛出口烟温就会发生变动,烟气流速也会变化,这样就必然引起炉内换热量的改变;从而使蒸汽温度发生变化。( )