醫(yī)學全在線每日一練免費為所有職稱英語考生免費提供練習題，祝廣大考生順利通過2016年職稱英語考試。
閱讀理解：
The United States perceives itself to be a middle-class nation.However,middle class is not a real designation,nor does it carry privileges.It is more of a perception,which probably was as true as it ever could be right after World War II.The economy was growing,more and more people owned their own homes,workers had solid contracts with the companies that employed them,and nearly everyone who wanted a higher education could have one.
The information in this passage deals with_______.
A.an individual
B.a social and economic group
C.a political organization
D.Government
正確答案：B
答案解析：答案選B.通過閱讀本段，middle class中產(chǎn)階級是一個群體，選答案B.
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