【简答题】根据句义选择正确的单词填空。 1.The pilot always had a sense of ______.He explained what had happened in a ________ manner to make passengers feel better. (humorous; humor) 2. I ______ can’t understand the _______ F...
【简答题】请先阅读短文,然后根据其内容选择单词的正确形式填空,每词限用一次。 from, something, bad, worry, suggestion, when, get ,that, doctor, afraid Young people may have problems with their minds. Some students become 1 because they have t...
【简答题】在数据库设计的4个阶段中,每个阶段都有自己的设计内容。“为哪些表、在哪些字段上、建什么样的索引。”这一设计内容应该属于【 】设计阶段。
【简答题】在数据库设计的四个阶段中,每个阶段都有自己的设计内容。“为哪些表、在哪些字上、建什么样的索引”这一设计内容应该属于【 】设计阶段。
【单选题】数据库设计可划分为六个阶段,每个阶段都有自己的设计内容,“为哪些关系,在哪些属性上建什么样的索引”这一设计内容属于数据库设计的哪个阶段的内容______
【简答题】选择正确的词填空 understand chat surf outgoing lonely 1. When people are away from home for a long time, they may feel________. 2. I used to quarrel with my father, but now I begin to _______better. 3...