Grade fourthe first termRecycle总复习 2022/10/30Important pointsUnit oneclassroomwindowblackboardlightpicturedoorteachers deskcomputerfanwallfloor教室窗户黑板电灯图画门讲台电脑风扇墙壁地板in 在 里面on 在 上面under 在 下面near 在 旁边2022/10/30Important pointsUnit oneOpen the door. Turn on the light. Close the window. Put up the picture. Clean the blackboard.开门开灯关窗挂图画擦黑板2022/10/30Important pointsUnit one重点句子：1.教室里有什么?一块黑板,许多桌子和椅子。- Whats in the classroom?-One blackboard , many desks and chairs.注意：一个，要用one、a、an 来表示，不止一个的，单词要加s2.它在哪
