[*] The wild boar is the ancestor of the domestic pig, but it is very different in terms of its【C1】beh______and appearance. The boar is distinguished by its large, sharp and strong tusks,【C2】______ serve as weapons and tools. They are quite【C3】______(impress)animals in terms of their size and weight and Romanian and Russian boars can reach up to 300 kilograms. They generally live in woodland areas and although many people fear this animal and its strength, it tries to keep humans at a【C4】______. These animals are admired for their intelligence. They are masters of【C5】sur______, hiding out in areas that are【C6】______(inhabit) by man, and their life expectancy is between fifteen and twenty years. However, the boar is vulnerable to hunters. The boar’ s primary defense is its speed but when they are cornered they can be ferocious. Wild boars are not usually【C7】dan______but they are aggressive, especially if they are injured, or if the animal is a female, defending its young. Another interesting fact about these animals is that they are quite vocal and【C8】com______, and are constantly grunting to each other, and squeal when alarmed. They are omnivorous animals that have a varied diet. During the【C9】su______they generally eat green plants, nuts and fruit. In winter, when the rain【C10】______(soft)the ground they dig to find insects and vegetables.

New research shows that cleaners are some of the happiest workers in Britain, 【C1】al______ with child caters, medical secretaries, hairdressers and petrol pump attendants. [*] The study of 35,000 employees found that the highest levels of job satisfaction were among those【C2】______ (provide)personal service, even if the pay is poor. There are highly paid professional and managerial staff who enjoy excellent pay and conditions, but many of these appear to hate their jobs. Civil servants lie, almost at the【C3】bo ______of the league table, with solicitors and various engineers and scientists not far behind. Michael Rose of Bath University, who led the study, said a key element of job satisfaction was the potential to work part-time and【C4】______(supervise). A cleaner’s job may not appeal to all, but it has hidden perks. “You can trim your hours and you don’t have a supervisor breathing down your neck all the time“, he said. Petrol pump attendants, too, had a【C5】ch______ of working part-time shifts with relatively little direct supervision. One【C6】exp______offered for the high job satisfaction rate of medical secretaries—at the top of the league with 75% of them happy in their job is that they are doing something useful. Seeing that you are playing a key role in the delivery of healthcare is very【C7】sat______. The study【C9】di______overall satisfaction into material satisfaction and quality satisfaction. Taxation experts and prison officers score high marks for material satisfaction but low for quality satisfaction. The profile of carpenters is the【C9】op______: high on quality and low on material satisfaction. The report strongly warns【C10】a______the rapid growth of telephone call centres, noting that the telephone staff register some of the lowest levels of job satisfaction.