题目

如图，把甲乙两尺重叠在一起，如果甲尺是直的就可以判断乙尺是否是直的，其数学道理是. 答案：【1】两点确定一条直线选词填空（词汇运用）【1】He wants ________ (buy/to buy) a skateboard.【2】She wants to see ________ (an/a) old things there.【3】Andy is ________ (going/go) to the museum.【4】He ________ (want/wants) to watch a soccer match there.【5】The elephant is friendly to ________ (we/us).