Unit 5 Lesson3 Whats this ,那是我的书桌,Thats my desk,这是你的椅子,this 这,这个,this is 这是,that 那,那个,is 是,thats = that is 那是,This is your chair,怎样介绍自己的文具,I have 我有,I 我,have 有,吃,我有一只铅笔,I have a pencil,我有一个新的书包,I have a new schoolbag,我也是,Me, too,它很漂亮,Its nice,classroom教室,desk 书桌,chair 椅子,schoolbag 书包,book 书,pencil 铅笔,pen 钢笔,it 它,无生命物、动植物,its =it is 它是,pencil-case 铅笔盒,case 盒子,eraser 橡皮,ruler 尺子,a ruler,Whats this,这是什么,whats = what is 是什么,this 这,这个,Its,一把尺子,it 它,its =it is 它是,它是,Whats this,这是什么,a pencil,一只铅笔,Its,它