精选优质文档-倾情为你奉上第二章 精读课文-入门必修2.1数学方程与比例（Mathematics，Equation and Ratio）一、词汇及短语：1. change the terms about 变形2. full of ：有许多的 充满的例 The streets are full of people as on a holiday(像假日一样，街上行人川流不息)3. in groups of ten4. match something against sb. “匹配”例 Long ago ,when people had to count many things ,they matched them against their fingers. 古时候，当人们必须数东西时，在那些东西和自己的手指之间配对。5. grow out of 源于 由引起例 Many close friendships grew out of common acquaintance6. arrive at 得出（到达 抵达
