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保证数据的安全性的常用方法有（）
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数据是信息的表示,数据有以下特征：
数据库是存放数据的仓库，它应该须具备以下特征：
对于并发控制描述正确的是（）
Language Focus1. Complete the following sentences with the proper words and expressions.(填大写字母）A.roughly B. dramatic C. loomsD. exotic E. experiment F.capturesG. striking H. outreach I. tower over J. adopted K.immense L. shaded1) The coming examination ________ larger with every passing day.2) The novel ________ the imagination of thousands of readers.3) It’s almost impossible to find him in the ________ ocean.4) ________ speaking, I would say that about 100 people attended the exhibit.5) There were some ________ similarities between the two books. 6) New methods of teaching foreign languages are ________ in this institute.7) The conversation stopped when she made her ________ entrance.8) Its colour was a sort of blue, but now it has ________ off into grey.9) The film retains much of the book’s ________ flavour.10) She had to ________ her opponent to win the fencing match. 11) How maddening to have your younger brother ________ you, at his age, too!12) Is it right to ________ on animals?
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