虚数i的奥秘 : 从数的诞生到复数.pdf 本书系统全面地介绍了虚数i的有关知识,循序渐近地讲述了从数的诞生到复数的应用,叙述浅显易懂,可读性强。 叁号仓库 2022年07月20日 0 点赞 0 评论 7205 浏览
In March when spring is already here, we usually plant many young trees on both side of the street. In March when spring is already here, we usually plant many young trees on both side of the street. 贰号仓库 2022年06月18日 0 点赞 0 评论 7818 浏览
Large quantities of water _____ needed for cooling purposes. Large quantities of water \_\_\_\__ needed for cooling purposes. 贰号仓库 2022年06月18日 0 点赞 0 评论 8352 浏览
He was one of the boys who _____ late for class. He was one of the boys who \_\_\_\__ late for class. 贰号仓库 2022年06月18日 0 点赞 0 评论 8713 浏览
A number of cars _____ in front of the park. A number of cars \_\_\_\__ in front of the park. 贰号仓库 2022年06月18日 0 点赞 0 评论 9546 浏览
I was trying to get into the _____ bus when I heard a voice from behind. I was trying to get into the \_\_\_\__ bus when I heard a voice from behind. 贰号仓库 2022年06月18日 0 点赞 0 评论 9698 浏览