听前提示一、每期提供10个单词，每个单词都会有2-3个例句，方便理解记忆。二、每个单词和句子都会重复5遍，其中第2遍为慢速，有助于识别。三、本材料的整体难度较低，可以用来听力磨耳朵和单词查漏补缺。Day 41401.Citizenn.市民，城镇居民；公民，国民Every citizen may claim the protection of the law.每个公民都可以要求得到法律的保护。A good citizen obeys the laws.一个好公民要遵守法律。402.Cityn.城市，都市；市民，全市居民All of my relatives are living in this city.我所有的亲戚都住在这座城市。It is a remarkably noisy and crowded city.这是一个非常嘈杂和拥挤的城市。403.Civiladj.公民的，国内的；平民的；文明的You're violating my civil rights.你侵犯了我的公民权利。I'll be polite and civil to him.我会礼貌和文明的对待他。404.Claimv.声称，断言；索取n.声称，断言；索要Have you claimed the insurance yet?你索要保险金了吗？Does anyone claim this umbrella?有人认领这把雨伞吗？405.Clapv.拍手，鼓掌n.鼓掌，拍手The crowd was clapping and cheering.人群在鼓掌欢呼。A few people clapped after his lecture.他演讲后，有几个人鼓起掌来。406.Classn.班级；上课时间；课程；阶级，阶层The teacher dismissed his class when the bell rang.铃一响，老师就下课了He didn't come to English class today.他今天没上英语课。I'm going to register for a cooking class.我要报名参加烹饪课。407.Classicadj.典型的；经典的 n.经典作品，杰作He owns a classic novel.他拥有一部经典小说。I was very impressed with the quality of classic car that I saw at the show.我在展会上看到的老爷车的质量给我留下了深刻的印象。408.Classroomn.教室When did she leave the classroom?她什么时候离开教室的？The boy looks confused when he sees his parents at the door of his classroom.当男孩在教室门口看到父母时，他看起来很困惑。There are over fifty people in this classroom.这个教室里有五十多人。409.Cleanadj.洁净的，干净的；爱干净的；清白的；n.干净，清洁We need to invest in clean, renewable energy.我们需要投资于清洁的可再生能源。There are no clean plates left.没有干净盘子了。This business card is quite simple but looks clean and professional.这张名片很简单，但看起来简洁又专业。410.Clearadj.易懂的；清楚的；听得清的；干净的I have a few things I want to make clear.我有几件事要说清楚。Could you please help me clear the table?你能帮我清理桌子吗？