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【单选题】
ML由三个要素构成:UML的基本构造块、支配这些构造块如何放置在一起的规则、用于整个语言的公共机制。UML的词汇表包含三种构造块:事物、关系和图。泛化和聚集等是( )。A.
事物
B.
关系
C.
规则
D.
图
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【简答题】课文内容填空: I worked there forseven years and 1) ____ so many lessons, especially from a(n) 2) ___ waitress. Helen was in her 60s, hadred hair, and 3) ____ of self-respect—something I was really 4) ____ ....
【简答题】完形填空。 My first job was at a local restaurant, where I worked for seven years and learned so many lessons, especially from a fellow 1 . Helen was in her 30s and had extraordinary self-confidence, somet...
【简答题】filling the blanks I worked there for seven years and 1) __________ so many lessons, especially from a(n) 2) __________ waitress. Helen was in her 60s, had red hair, and 3) __________ of self-respect...
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