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【简答题】

You will hear five business people discussing how to become a true leader. For each extract there are two tasks. For Task One, choose a relatively suitable title of each opinion from the list A—H. For Task Two, choose the speaker’’s opinion towards leadership from the list A—H. You will hear the recording twice.

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参考解析:
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刷刷题刷刷变学霸
举一反三

【多选题】下列长期股权投资中( )应当采用成本法核算。

A.
投资企业能够对被投资单位实施控制的长期股权投资
B.
投资企业对被投资单位具有共同控制或重大影响的长期股权投资
C.
投资企业对被投资单位的投资占该单位有表决权资本总额20%以下
D.
投资企业对被投资单位不具有共同控制或重大影响,并且在活跃市场中没有报价、公允价值不能可靠计量的长期股权投资

【单选题】若要求DepID参照部门关系DEP的主码DepID,则可以在定义EMP时用()进行约束。 A.Primary Key(DepID) On DEP(DepID) B.Primary Key(DepID) On EMP(DepID) C.Foreign Key(DepID) References DEP(DepID) D.Foreign Key(DepID) References EMP(DepID)

A.
给定员工关系EMP(EmpID,Ename,sex,age,tel,DepID),其属性含义分别为:员工号、姓名、性别、年龄、电话、部门号;部门关系DEP(DepID,Dname,Dtel,DEmpID),其属性含义分别为:部门号、部门名、电话,负责人号。若要求DepID参照部门关系DEP的主码DepID,则可以在定义EMP时用()进行约束。若要查询开发部的负责人姓名、年龄,则正确的关系代数表达式为()

【单选题】Cooperative cooperation. Competitive cooperation. Confused Airline alliances have travelers scratching their heads over what’’s going on in the skies. Some folks view alliances as a blessing to travel...

A.
It’s beneficial for all the travelers.
B.
It’s beneficial for some travelers.
C.
It’s beneficial for those travelers who fly frequently.
D.
It’s beneficial for those travelers who fly infrequently.