填空题

the demands which made on the person performing the job.

【参考答案】

which

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单项选择题

A．duty
B．task
C．work
D．post

填空题

Ethics is not the same as law. Many ethical beliefs are formally reinforced by law, but many are not. Until recently, it was legal to fire almost any employee, regardless of the length of his or her service. Usually the terminated employee was denied any provision for a company pension. Today, this practice is prohibited by federal law.（）

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