The  researchers have (1) ............ a number of factors which contribute to a definition of happiness.

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word for each of the blanks.

In recent years, there has been a remarkable increase in research into happiness. The researchers have (1) ............ a number of factors which contribute to a definition of happiness. First of all, there is, in some people, a moderate genetic predisposition to be happy, in other words, happiness (2) ............ in families. And happiness seems to correlate quite strongly with the main dimensions of personalities: extroverts are generally happier, neurotics are less so. Second, people often (3) ............ good social relations as a reason for their happiness. In particular, friends are a great (4) ............ of joy, partly because of the agreeable things they do together, partly because of the way friends use positive non-verbal signals such as caressing and touching, to affirm their friendship. Marriage and similar (5) ............relationships can also form the basis of lasting happiness. Third, job satisfaction undoubtedly (6) ............ overall satisfaction, and vice versa – perhaps this is why some people are happy in boring jobs: it works in both ways. Job satisfaction is caused not only by the essential nature of the work, but also by social interactions with co-workers. Unemployment, on the contrary, can be a serious cause of unhappiness. Fourth, leisure is important because it is more under individual (7)............than most other causes of happiness. Activities (8) ............ sport and music, and participation in voluntary work and social clubs of various kinds, can give great joy. This is partly because of the (9) ............ themselves, but also because of the social support of other group members – it is very strong (10)............ the case of religious groups.

A. fallen back down                             

come up with st= tìm ra cái gì

Dịch: Các nhà nghiên cứu đã đưa ra một số yếu tố góp phần tạo nên định nghĩa về hạnh phúc.

Chọn D