Why do we sleep?
| 25. | A recent study may have an answer to one of the greatest unsolved mysteries in science — what is the purpose of sleep? The work suggests it’s ______ about making animals function more efficiently in their environments. | REAL |
| 26. | ______ from the University of California, Los Angeles, conducted a study of the sleep times of a broad range of animals. They discovered much variation. | SCIENCE |
| 27. | You may think it is _____ but some migrating birds can fly non-stop for up to 90 hours. | POSSIBLE |
| 28. | Pythons and bats are among the longest ______ at over 18 hours a day. | SLEEP |
| 29. | Human babies need 16 hours and their health and intellectual ______ depends on sleeping properly. | DEVELOP |
Подобные задания можно добавить в готовый типовой вариант и получить свой уникальный КИМ с ответами и критериями.