单选题:Make sure the table is securely anchored. 题目分类:卫生类 题目类型:单选题 查看权限:VIP 题目内容: Make sure the table is securely anchored. A.repaired B.cleared C.booked D.fixed 参考答案: 答案解析:
设有表示学生选课的三张表,学生s(学号,姓名,性别,年龄,身份证号),课程c(课号,课名),选课Sc(学号,课号,成绩) 设有表示学生选课的三张表,学生s(学号,姓名,性别,年龄,身份证号),课程c(课号,课名),选课Sc(学号,课号,成绩),则表Sc的关键字(键或码)为( )。 分类:卫生类 题型:单选题 查看答案
Questions ·Read the article below about service production Questions ·Read the article below about service production and the questions o 分类:卫生类 题型:单选题 查看答案
C: What is important when…?Aiming to attract new staff●Repu C: What is important when…?Aiming to attract new staff●Reputation●Salary● 分类:卫生类 题型:单选题 查看答案