This map is based on information about 1081 cities between 2003 and 2010. What does it show?
(A) annual average emissions of particulate matter less than 10 microns (micrograms per cubic metre)
(B) number of children vaccinated against measles (thousands per year)
(C) waste produced by nuclear power stations (tonnes per year)
(D) Gross Domestic Product (thousands of US dollars per year)
答案:登入後查看
統計: A(6), B(3), C(0), D(1), E(0) #2136992
統計: A(6), B(3), C(0), D(1), E(0) #2136992