cheat - v. to get by a trick; to steal from

　　cheer - v. to shout approval or praise

　　chemicals - n. elements found in nature or made by people; substances used in the science of chemistry

　　chemistry - n. the scientific study of substances, what they are made of, how they act under different conditions, and how they form other substances

　　chief - n. the head or leader of a group; ad. leading; most important

　　child - n. a baby; a boy or girl

　　children - n. more than one child

　　choose - v. to decide between two or more

　　circle - n. a closed shape that has all its points equally distant from the center, like an O

　　citizen - n. a person who is a member of a country by birth or by law

　　city - n. any important large town

　　civilian - ad. not military

　　civil rights - n. the political, economic and social rights given equally to all people of a nation

　　claim - v. to say something as a fact

　　clash - n. a battle; v. to fight or oppose

　　clean - v. to make pure; ad. free from dirt or harmful substances