【简答题】What is the referential theory of meaning?
【单选题】下列情况中的物体 , 哪些可以看作质点 ( )
【多选题】下列情况中加划线的物体,哪些不可以看作质点()
【单选题】下列情况中的物体,哪些可以看作质点?()
【简答题】Individual work 2. Reconsider the ending of the American Civil War, choose one of the following topics to write and present your idea. 3. Please write with about 100 words, and upload your writing her...
【单选题】What is the term for a person's tendency to attibute successes to their own actions and failures to their context or other people?
B.
Referential Explanation
【单选题】A foreign key imposes a specific kind of integrity to related tables. What is the name of this integrity?
【单选题】下列情况的物体,哪些可看作质点( )
A.
放在地面上的木箱,在上面的箱角处用水平推力推它,木箱可绕下面的箱角转动
B.
放在地面上的木箱,在其外壁的中心处用水平推力推它,木箱在地面上滑动