题目内容
7．I am alibrarian．I have worked at the University of British Columbia for two years．（library）分析 我是一名图书管理员，我已经在英属哥伦比亚大学工作两年了
解答 答案：librarian．句中a是不定冠词，后加可数名词的单数，所给单词library是名词图书馆，这和主语I不符，主语是我，那么可以用表示职业的名词，library相对应的表示职业的名词是librarian图书管理员的含义．
点评 表示职业的后缀是-ian的还有音乐家musician
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