[填空题] Questions 47 to 56 are based on the following passage.
The way in which people use social space reflects their social relationships and their ethnic identity. Early immigrants to America from Europe brought with them a (47) style of living, which they retained until late in the 18th century. Historical records document a group-Oriented (48) , in which one room was used for eating, entertaining guests, and sleeping. People ate soups from a communal pot, (49) drinking cups, and used a common pit toilet. With the development of ideas about individualism, people soon began to shift to the use of (50) cups and plates; the eating of meals that included meat, bread, and vegetables (51) on separate plates; and the use of private toilets. They began to build their houses with separate rooms to (52) guests — living rooms, separate bedrooms for sleeping, separate work areas — kitchen, laundry room, and separate ba