【单选题】What is the writer' s main purpose(目的) in writing this text?
A.
To tell the reader her life story.
B.
To tell people how she brought up her children.
C.
To let people know how rich she was.
D.
To introduce her ideas to the reader.
【判断题】企业的核心竞争力的特征包括有价值、异质、完全不能被仿制、互补性和延展性。
【判断题】长管是指管道长度在1000m以上的管道。
【判断题】长管是一个几何长短的概念,指的就是管道长度非常长的管道( )
【单选题】并不是企业的所有资源、知识和技术都能形成持续的竞争优势,都能发展成为核心能力。核心能力的特征包括价值性、异质性、不可模仿性、难以替代性以及()
【单选题】What is the writer' s purpose?
A.
To inform readers who don't have much money about ways they can travel.
B.
To tell readers about some of the best sightseeing tours in the world.
C.
To show reads that you don't have to travel far from.
【简答题】用GD1或GD2作为划分等级的管道是()。 A.动力管道 B.公用管道 C.工业管道 D.长输管道