单项选择题A．The injured people have been taken to the prison hospital for medical treatment.B．The clash broke out when the prisoners were eating breakfast.C．The riot was caused by rivalry between inmates and police.D．Dozens of people have been killed or wounded in the riot.

单项选择题A．Favorite motion picture actress.B．Favorite new TV series.C．Favorite comedy drama.D．Favorite new dram

单项选择题A．investmentsB．the TV licensesC．advertisementsD．the government

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单项选择题The passage suggests that the author would be likely to agree with which of the following statements about the social structure of eighteenth-century American society Ⅰ. It allowed greater economic opportunity than it did social mobility. Ⅱ. It permitted greater economic opportunity prior to 1750 than after 1750. Ⅲ. It did not contain rigidly defined socioeconomic divisions. Ⅳ. It prevented economic disputes from arising among members of the society.