[听力原文]
M: It’s all right this time. You don’t have to buy two new tickets today. But next time, please be sure you are on the right train.
W: We will read the signs more carefully next time. Thank you.
W: Right. You’re talking about social groupings here, could you tell us something about the ways animals form into groups
M: Yes, er many, many animals are very solitary animals; the only times they get together is when they mate, or when they’re bringing up their young. The majority of animals are solitary, but a very significant group of mammals and insects, like ants and termites, bees and wasps, are very social and they group together because in a group it’s much safer: you can defend yourself more easily if you’re in a group, you can find mates more easily if you’re in a group, and you can change the world around you by working with the others if you live in a group. Solitary animals have a much more difficult time in many ways.
W: You mentioned lions and other carnivora earlier on. Do they group very much
M: Yes. Most cats in fact don’t group. Er, lions and, to a lesser extent, cheetahs are the only cats that group
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