Population and environment are the two big _p______ of the w

Population and environment are the two big _p______ of the w 英语翻译The two causes of environmental crisis are population pr 为什么two fifths of the population后加are,而two fifths of the land 80%population are还是is famer(S?) two fifths of the population two fifths of the population 后加is还是are?many kinds of polutio 填一个be动词two thirds of the population ( ) women and children.请 The workers and peasants( )the majority of the population of Canada and the USA are neighbours .they are two big countrie Near the bag there are two boxes.the big _____ is a box of c .Two fifths of the population in this area__ 初三英语two-thirds of the population in this village Two-thirds of the population in this village -----famers,