四年级英语下册总复习 Unit 1:单词:computer(计算机) board(写字板) fan(风扇) light(灯) this(这;这样) my(我的) that(那;那样) your(你的) teachers desk(讲台) picture(图画;照片) wall(墙壁) floor(地板) 句子:1、 Where is the art room? 画室在哪里? Its on the second floor.它在二楼。2、How many students are there in your class? 你们班里有多少学生? Forty-one.四十一3、We have a new computer room.我们有1样新电脑教室。4、Is this the library? 这是图书馆吗?Yes, it is. 是的,它是。 Is that the art room? 那是绘画教室吗?No, it isnt. 不,它不是。 Unit2单词: one(1 ) two(二 ) three(三 ) fo