`41. C`

populated ≈ crowded: đông đúc

`42. B`

Dựa vào câu đầu: The five most populated cities today are Tokyo (35 million people), Mexico City (19 million), New York (18.5 million), Bombay (18.3 million) and Sao Paulo (18.3 million).

`43. C`

Dựa vào câu 4: The United Nations' report concludes, "The current population picture is one of dynamic population changes, reflected in new and diverse patterns of childbearing, mortality, migration, urbanization and ageing.

`44. A`

Dựa vào câu 4: The United Nations' report concludes, "The current population picture is one of dynamic population changes, reflected in new and diverse patterns of childbearing, mortality, migration, urbanization and ageing.

`45. B`

Dựa vào câu cuối: The continuation and consequences of these population trends present opportunities as well as challenges for all societies in the twenty-first century.

41.C populated = crowed : đông người , đông dân cư

42.B The five most populated cities today are Toky (35 million people) , Mexico City (1 million) , New Yok (`8,5 million),Bombay(18,3 million) and Sou Paulo(18,3 million)

43.D By 2050 there will be 22 citities of that size

44.A The current population picture is on of dynamic population changes , reflected in a diverse patterns of childbearing , mortality migration , urbanization and ageing .

45.CThe continuation and consequences of these population trend present opportunities as well as challenges for all societies in the twenty-first century