Вариант 4 для 10–11 классов

Task 1. LISTENING COMPREHENSION (20 points: 1 answer = 2 points)

Чтобы выполнить задание нужно авторизоваться и тогда появятся кнопки "Сохранить" и "Завершить задание".

For questions 1–10 complete the notes below filling in the gaps with ONE WORD AND/OR A NUMBER.

You will listen to the text ONCE. You have 1 minute to look through the task.

Mass Strandings of Whales

Mass strandings: situations where groups of whales, dolphins, etc. swim onto the and die.

Common in areas where the can change quickly.

Several other theories:

Parasites:

e.g. some parasites can affect marine animals’ , which they depend on for .

Toxins

Poisons from or are commonly consumed by whales.

Accidental Strandings

Animals may follow ashore, e.g. Thurston (1995).

Unlikely because the majority of animals were not when they stranded.

Human Activity

from military are linked to some recent strandings.

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