【文章內(nèi)容簡介】 the thing or person that produces a resultceasefire n. a halt in fighting, usually by agreementcelebrate v. to honor a person or event with special activitiescenter n. the middle of something。 the place in the middle。 a place that is the main point of an activity century n. one hundred years ceremony n. an act or series of acts done in a special way established by tradition chairman n. a person leading a meeting or an organized group champion n. the best。 the winnerchance n. a possibility of winning or losing or that something will happenchange v. to make different。 to bee different charge v. to accuse someone of something, usually a crime。 n. a statement in which someone is accused of something chase v. to run or go after someone or somethingcheat v. to get by a trick。 to steal fromcheer v. to shout approval or praisechemicals n. elements found in nature or made by people。 substances used in the science of chemistrychemistry n. the scientific study of substances, what they are made of, how they act under different conditions, and how they form other substanceschief n. the head or leader of a group。 ad. leading。 most importantchild n. a baby。 a boy or girlchildren n. more than one childchoose v. to decide between two or more circle n. a closed shape that has all its points equally distant from the center, like an Ocitizen n. a person who is a member of a country by birth or by lawcity n. any important large town civilian ad. not militarycivil rights n. the political, economic and social rights given equally to all people of a nationclaim v. to say something as a factclash n. a battle。 v. to fight or opposeclean v. to make pure。 ad. free from dirt or harmful substances (clean water)clear ad. easy to see or see through。 easily understoodclergy n. a body of officials within a religious organization climate n. the normal weather conditions of a placeclimb v. to go up or down something by using the feet and sometimes the handsclock n. a device that measures and shows time close v. to make something not open。 ad. near tocloth n. a material made from plants, chemicals, animal hair and other substances clothes n. what people wear cloud n. a mass of fog high in the sky coal n. a solid black substance used as fuelcoalition n. forces, groups or nations joined togethercoast n. land on the edge of the ocean coffee n. a drink made from the plant of the same namecold ad. not warm。 having or feeling great coolness or a low temperaturecollect v. to bring or gather together in one place。 to demand and receive (collect taxes) college n. a small universitycolony n. land controlled by another country or government color n. the different effects of light on the eye, making blue, red, brown, black, yellow and othersbine v. to mix or bring together e v. to move toward。 to arrivemand v. to order。 to have power over somethingment v. to say something about。 to express an opinion about somethingmittee n. a group of people given special work mon ad. usual。 same for all (a mon purpose) municate v. to tell。 to give or exchange informationmunity n. a group of people living together in one place or areapany n. a business organized for trade, industrial or other purposes pare v. to examine what is different or similarpete v. to try to do as well as, or better than, another or others plete ad. having all parts。 ended or finishedplex ad. of or having many parts that are difficult to understand。 not simplepromise n. the settlement of an argument where each side agrees to accept less than first demandedputer n. an electronic machine for storing and organizing information, and for municating with othersconcern n. interest, worry (express concern about)。 v. to fear (to be concerned)condemn v. to say a person or action is wrong or bad condition n. something declared necessary to plete an agreement。 a person39。s healthconference n. a meetingconfirm v. to approve。 to say that something is true conflict n. a fight。 a battle, especially a long onecongratulate v. to praise a person or to express pleasure for success or good luckCongress n. the organization of people elected to make the laws of the United States (the House of Representatives and the Senate)。 a similar organization in other countriesconnect v. to join one thing to another。 to unite。 to linkconservative n. one who usually supports tradition and opposes great changeconsider v. to give thought to。 to think about carefullyconstitution n. the written general laws and ideas that form a nation39。s system of governmentcontain v. to hold。 to include container n. a box, bottle or can used to hold somethingcontinent n. any of the seven great land areas of the world continue v. to go on doing or being control v. to direct。 to have power over convention n. a large meeting for a special purpose cook v. to heat food before eating it cool ad. almost coldcooperate v. to act or work togethercopy v. to make something exactly like another。 n. something made to look exactly like another corn n. a food graincorrect ad. true。 free from mistakes。 v. to change to what is right cost n. the price or value of something (The cost of the book is five dollars.)。 v. to be valued at (The book costs five dollars.)cotton n. a material made from a plant of the same namecount v. to speak or add numberscountry n. a nation。 the territory of a nation。 land away from citiescourt n. where trials take place。 where judges make decisions about law cover v. to put something over a person or thing。 n. anything that is put over a person or thing cow n. a farm animal used for its milk crash v. to fall violently。 to hit with great forcecre