In passive sleep, the body is at rest, the heart slows down and the brain becomesvery______(active).
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Foe a more ________(detail) explanation of cotton processing, pleaserefer to American Cotton Handbook.
Einstein was known asthe genius who discovered many useful _____(science) theories.
Newspapers_______(information) their readerson what is happening in the world.
Events like these excite a child ’s natural ________(curious).