山东省济南市的趵突泉是典型的() A.涌泉 B.喷泉 C.下降泉 D.间歇性喷泉 发布时间:2019-01-25 00:16 │ 来源:www.tikuol.com 题型:单项选择题 问题: 山东省济南市的趵突泉是典型的()A.涌泉B.喷泉C.下降泉D.间歇性喷泉
题型:单项选择题 ________the problem, he wouldn't have committed those mistakes.A.If he understoodB.Had he understoodC.When he had understoodD.If he would understood 查看答案