Вариант 24

Piranhas are South American fish. There are lots of scary stories about them. Most people think that piranhas are very (29) creatures. However, a (30) from St Andrews University, Anne Magurran, has recently announced that to call piranhas cruel killers is not fair. They (31) eat fish, plants and insects. According to Professor Anne Magurran, piranhas attack people and animals only when they want to defend themselves. However, most travellers strongly (32) with this point of view. They recommend keeping away from the water where piranhas live. When the fish attack in groups, it is practically (33) to survive. Whatever your opinion of piranhas, this is a (34) piece of advice one should follow.