题目内容
In the US, most employees and their families are normally insured for health care through public insurance programs.
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Medicaid program provides federal grants to states for the free treatment of the elderly.
In the US, two-thirds of the housing units in the private sector are "single-family dwellings".
The American Social Security system inclueds the following programs ___
The main federal welfare programs in the USA consist of the following programs ___
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