| 1. | In the past, american families tended to be quite large . 过去,美国家庭的人口众多。 |
| 2. | Only 16 percent of american homes were electrified in 1912 . 到1912年,只有百分之十六的美国家庭使用电力。 |
| 3. | In addition to buffets, american families enjoy picnics and barbeques . 除自助餐外,美国家庭还喜欢野餐和户外烧烤餐。 |
| 4. | In american homes, television sets were on an average of 42. 7 hours per week . 美国家庭里的电视机平均每星期要开42.7小时! |
| 5. | It must be solved in the homes of every american in every community across our country . 它必须在我国各地每个美国家庭里解决。 |
| 6. | Much of early american family life took place within communal or utopian societies . 早期美国家庭生活主要产生于村社或乌托邦式社会。 |
| 7. | In the past, american families tended to be quite large. parents raising five or more children were common . 过去,美国家庭的人口众多。一对夫妇供养5个或更多孩子的情况比比皆是。 |
| 8. | Between 1969 and 1974, the average number of persons living in the u.s. household fell from 3. 19 to 2. 97 . 一九六九年至一九七四年之间,美国家庭的平均人数已从三点一九降到二点九七。 |
| 9. | Urban families in the soviet union devote nearly the same proportion of their weekly budgets to alcohol as u.s. families do to food . 在苏联城市生活的家庭,每周用于喝酒的钱,同美国家庭每周用于吃饭的钱一样多。 |
| 10. | Sometimes american families have "buffet" style dinners because they are informal and easier to serve, especially if there are several guests . 美国家庭有时用“自助餐”式晚餐款客,因为自助餐不拘礼节,招待容易,尤以客人有好几个的时候更为方便。 |