题目内容

一个好的房地产项目案名,应该具备以下哪些要素?()

A. 对产品定位的暗示
B. 社区规模的传达
C. 对物业功能属性的传达
D. 对目标客户价值观的迎合
E. 要通俗上口,音节搭配和谐
F. 需要体现高档

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社会舆论是社会上众人关于某一事件或现象的议论和意见,它包含了对于此事件或现象的是非曲直评价。

A. 正确
B. 错误

What type of constraint is used to ensure that each row inserted into the EMPLOYEE table with a value in the WORKDEPT column has a row with a corresponding value in the DEPTNO column of the DEPARTMENT table?()

A check constraint on the EMPLOYEE table
B. A unique constraint on the EMPLOYEE table WORKDEPT column
C. A foreign key reference from the DEPARTMENT tables DEPTNO column to the WORKDEPT column of the EMPLOYEE table
D. A foreign key reference from the EMPLOYEE tables WORKDEPT column to the DEPTNO column of the DEPARTMENT table

Fe2O3为()氧化物。

A. 碱性
B. 中性
C. 酸性

离心泵调节进口流量容易造成气蚀而损坏泵。

A. 正确
B. 错误

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