Hello! Hello!Part B（Lets learn & Lets do）Unit OneUnit OneWarm upWarm upPlay a gamePlay a gameWow,so many!Lets meet some friends!PresentationPresentation Lets learn Lets learnLead inLead inThis is my This is my bagbag. . 复数复数: :bags bags 短语短语: :carry your bag carry your bag 背上你的包背上你的包 I have a I have a penpen. . 复数复数: :pens pens I have a I have a pencil boxpencil box. . 复数复数: :pencil boxes pencil boxes 同义词同义词: :pencil case pencil case I have a I have a bookbook. . 复数复数: :booksbooks短语短语: :open the book open the book 打开书打开书Lets chantLets chant点点击击图图片片, ,播播放放视视频频Watch and followWatch and follow或点击此处播放视频Lets doLets doStep1:Step1: Read together. Read together. Open your pencil box.Close your book.Show me your pen.Carry your bag.Step2: Watch and doStep2: Watch and do或点击此处播放视频点点击击图图片片, ,播播放放视视频频Lets doPracticePracticeI say, you do and then you say, I do.（我说你做，你说我做）Play a gamePlay a gameExerciseExercise看图，连线。pencil book bag pen pencil box eraserSummarySummary （听、说、认读）词汇：（听、说、认读）词汇：bag, pen, pencil box,book句子：句子：Open your pencil box.Show me your pen.Close your book.Carry your bag.