精选优质文档-倾情为你奉上Book 5 Unit 4When is Easter一 、知识点归纳 词汇 Dec. December (十二月) first (第一)Jan. January (一月) winter second (第二)序数词ordinal numbers序数词ordinal numberss Feb. February ( 二月 third (第三) Mar. March ( 三月) fourth (第四) Apr. April ( 四月) spring fifth (第五)月 份months May