第3部
q-pre2-ls-0024
再生速度
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NarratorOctopuses are famous for their ability to change color to match their surroundings. Scientists have found that octopuses can do this in less than a second, which is much faster than most other animals. They use this skill mainly to hide from predators, but sometimes also to sneak up on the small fish and crabs they eat. Researchers are still studying exactly how octopuses control this fast color change.
NarratorQuestion: Why do octopuses mainly change their color?
- aTo attract a mate during certain seasons.
- bTo hide from animals that might attack them.
- cTo communicate with other octopuses.
- dTo warn other sea creatures of danger.