Vowels are formed mainly by the position of the tongue and, secondarily, by the shape of the lips and movement of the jaw.()
油类记录簿中,海事管理机关检查的核心内容是() ["残油的数量及去向","润滑油的加装","燃油的加装","排放机舱污水的起止时间"]
简要说明为什么说在艺术欣赏过程中应重视对艺术形象的整体把握?
目前,使航天器达到一定的速度,冲入外层空间的运载工具就是() ["运载火箭","航天器","航天测控技术"]
简述双语言的要求。
简述什么是参考群体社会力量,它可以被分为哪五种类别?