竖直角有正、负之分,仰角为_____,俯角为_____。 发布时间:2017-07-11 13:03 │ 来源:www.tikuol.com 题型:填空题 问题: 竖直角有正、负之分,仰角为_____,俯角为_____。
题型:填空题 The teacher said that__ of the boys would take part in the talent show.A.three fiveB.three fivesC.thirds fifthsD.three fifths 查看答案