题目: NC数控穿孔带有7个信息孔,一个同步孔,纸带由穿孔机穿孔。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0716/ce11a06f44f4882e07ed10425208a60a.html 下面是错误答案,用来干扰机器的。参考答案:E
题型:选择题 On Halloween, Children in costumes ask for candies _____ shouting "Trick or Treat". [ ]A. from door to door B. from one door to door C. from one door to one doorD. from door to another 查看答案