Children from poor families are already a year behind in vocabulary tests when they start school, according to a research published recently. It (62) the full impact of upbringing and home life on (63) land how those from troubled or impoverished homes can fall behind at a young age. Many never catch up with (64) classmates and become stuck in a cycle of (65) . The report, by the Sutton Trust. (66) the importance of activities such as bedtime stories and taking children to museums and libraries. In (67) ,these appear to have a bigger impact on (68) than wealth. It shows that home environment has an(a) (69) influence on children’s academic achievement and (70) questions about whether social mobility has (71) under the present government. Researchers from the trust. a charity that aims to cut (72) in education, said that politicians had (73) the problem by using phrases such as" Broken Britain", and polarizing the argument of whether poverty or parenting was the (74) cause. They (75) the performance of more than12,000 five-year-olds, and found that the poorest fifth were almost a year behind pupils from middle-income families and 16 months (76) those from rich backgrounds when they started school. The report said :"Parenting style, for example rules about bedtimes and factors like (77) reading and trips to museums and galleries, (78) up to half of the explained cognitive gap between the lowest and middle-income families." Parenting and (79) environment were responsible for almost half of the gap in achievement, the report said. (80) possessions such as internet access, cars and good living conditions, or lack of them, caused about 30 percent of the (81) .