задание
Circle the correct words.
Are animals intelligent?
Rats can learn to perform/performing tricks, cats seem sense/to sense what we are feeling. Dogs know when their owners are coming home and anyone who has swum with a/ the dolphin will tell you that these animals are more/most intelligent of/than most people think. Clearly, animals can to learn/learn and remember/to remember. However, they lack language and a/the ability to understand what they are and they therefore can`t really be/being considered “intelligent” creatures. Studies carried out on chimpanzees and gorillas suggested that they are able to learn/learn symbols and sounds. But are they actually using them communicate/to communicate? No one knows. In the/a late 1960s, an/the American scientist tried
to find/finding out if various animals understood what they actually were. He painted a/the red dot on their faces and put them in front of a mirror. If an animal touched a/the red spot, it was, according to a/the scientist, actually recognizing itself in a/the mirror. Besides humans, only chimpanzees and orangutans passed this test
2) to sense
3) a
4) more
5) than
6) learn
7) remember
8) the
9) be
10) to learn
11) to communicate
12) the
13) an
14) to find
15) a
16) a
17) the
18) the