Задание 
Match the words with the definitions.
Write the number of the definition near the word.
A treasure [ ]
A whale [ ]
Endangered [ ]
A breeding ground [ ]
A very large sea mammal that breathes air through a hole at the top of its head.
At a serious risk of extinction (of a species).
A place where animals breed and produce their babies.
Very valuable things, usually in the form of a store of precious metals, precious stones, or money.