Задание 8847 ЕГЭ по английскому языку

For example, the Elizabeth River was long considered a “dead river” because of ________. It is now flourishing. As a result, in the past five years, a great many more otters have been seen there. (POLLUTE)

Прочитайте приведённый ниже текст. Преобразуйте, если необходимо, слова, напечатанные заглавными буквами в конце строк, обозначенных номерами 25-29, так, чтобы они грамматически и лексически соответствовали содержанию текста. Заполните пропуски полученными словами. Каждый пропуск соответствует отдельному заданию из группы 25-29.

Furry river otters often sound like squeaky toys. They like to fight each other or frolic in the water. Seeing these cute, ________ animals is good fun. It is also good news for the environment. (PLAY)

The population of otters can indicate how ________ the environment is. The otters experienced a steep drop in numbers in the 1900s. (HEALTH)

This was because of extensive fur ________ and toxins in the water. They are not considered endangered today, though. Otters look for habitats with clean water and a lot of healthy fish. (HUNT)

Researchers look for contaminants and parasites in otter excrement. This helps ________ learn about the health of the surrounding environment and its food sources. (SCIENCE)