Read the text below and decide which answer (A, B, C or D) best fits each gap. WHY WE NEED TO PLAY Human beings are not the only creatures that like

Read the text below and decide which answer (A, B, C or D) best fits each gap.
WHY WE NEED TO PLAY

Human beings are not the only creatures that like to have fun. Many animals play, as do some birds. However, no other creatures spend so much time enjoying themselves as human beings do. Indeed, we (53) ………………… onto our sense of fun right into adulthood. So why do human beings spend so much time playing? One reason is that we have time for leisure; animals have very little time to play as most of their life is spent sleeping and (54) ………………… food. So, is play just an opportunity for us to (55) ………………… in enjoyable activities or does it have a more important (56) …………………? According to scientists, (57) ………………… from being fun, play has several very real (58) ………………… for us – it helps our physical, intellectual and social development. It also helps to (59) ………………… us for what we have not yet experienced. With very (60) ………………… risk, we can act out what we would do in unexpected, or even dangerous, situations.
53 A. hold B. keep C. save D. stay
54 A. searching B. looking C. seeking D. gaining
55 A. engage B. combine C. contribute D. involve
56 A. motive B. purpose C. intention D. cause
57 A. excluding B. except C. apart D. away
58 A. assets B. profits C. services D. benefits
59 A. plan B. prepare C. practise D. provide
60 A. brief B. short C. narrow D. little
II. Read the text below. Use the word given in capitals at the end of some of the lines to form a word that fits in the gap in the same line.
Elite (61COMPETE) …………………………. like the Jamaican Usain Bolt have regularly been clocked running at nearly 45 kilometers per hour. Such speed would have seemed (62BELIEVE) …………………………. not so long ago. Scientists now suggest that humans can move (63CONSIDER
) …………………………. faster than even that, perhaps as fast as 65 kilometers per hour.
For years, it was assumed that simple muscle power determined human speed, but recent research suggests otherwise. The most important (64LIMIT) …………………………. factor appears to be how quickly the muscles can contract and thus (65MINIMUM) …………………………. the time a runner’s foot is in contact with the ground. Is our athletic ability inherited? Researcher Alex Williams has (66IDENTITY) …………………………. twenty-three inherited factors that influence sporting performance, such as the (67EFFICIENCY) …………………………. use of oxygen, and strength. As world population rises, predicts Williams, the (68POSSIBLE) …………………………. of there being someone with the right genes for these twenty-three (69CHARACTER) …………………………. Will increase noticeably and thus faster runners are likely to emerge in future.