Bài tập: Tìm chức năng của các câu

Bài tập: Tìm chức câu sau: (Mỗi câu câu chứa ý mới, câu phát triển ý hay câu kết luận đoạn?) Around 730 000 babies are born in Britain each year, though the birth rate has fallen since the baby boom of the 1960s and 1970s The average number of children in a British family is 2.4 In the US about million babies are boom each year The infant mortality rate is 7.2 per 000 live births, which is very high compared to Britain and most other developed countries, though the rate is lower than it has ever been The situation is explained by the fact that in the US good medical care is too expensive for poorer people to afford The infant mortality rate for whites is per 000, the same as in Britain, but for African Americans, who are generally poorer than whites, it is 14.2 per 000 For many women in Britain and the US, getting pregnant is now a matter of individual choice Contraception is widely used to help with family planning About 10 million women use the birth-control pill, often called the pill, and almost million depend on their partner using condoms Only about 10% of babies annually born in the US are not wanted or planned by their parents Many couples now choose to have children later in life Some women wait to start a family until they can ‘hear their biological clocks ticking’ In the US more than a third of babies are born to mothers over 30 In Britain the figure is 15% Couples who have difficulty conceiving may try to get fertility treatment Advances in medical techniques mean that it is now possible for women who are too old to conceive naturally to have a baby This raises many ethical and practical questions, including whether it is a good thing for a child to be born to an elderly mother