【单选题】下面列出的数据模型中,哪一种是数据库系统中最早出现的数据模型?
【简答题】Dear Peter, I hope everything is going well with you ! I’m glad __41__ your letter asking for my __42__ on how to learn Chinese well. Here are__43__suggestions. Firstly, you can take part__44__a Chine...
【简答题】Dear Peter, I’m very glad to receive your e-mail asking for information about the host family we have arranged﹀you to stay with. Locating in a beautiful and quiet neighborhood, the house was big enoug...
【单选题】I’m glad that Peter decided to come to the party because we _____ him for several years.
【单选题】在数据库系统中,最早出现的数据模型是( )。
【单选题】听力原文:W: Hi, Peter. M: Hi, Mary. I'm glad to meet you here. Q: What is the relationship between the speakers? (19)
C.
They are brother and sister.
【单选题】m glad that Peter decided to come to the party because we _________ him for several years.
【判断题】世界上翼展最长的飞机是H4赫拉克勒斯,绰号“云杉鹅”。
【单选题】Peter was very glad to know that his creditor generously agreed to ______ all of his debts.
【判断题】世界上翼展最长的飞机是H4赫拉克勒斯,绰号“云杉鹅”。A. √B. ×