相关Exploring的文学知识

问题详情：   Exploring________spaceisexciting,yetdangerous.Thereis_______needforbothrobotsandhumansforspaceexploration.A.the;a                  B.a;the               ...

问题详情：Exploring________spaceisexciting,yetdangerous.【回答】/space意为“太空”时是抽象名词，其前不用冠词。知识点：冠词题型：选择题...