全部

1·Under the circumstances, parents are justified in punishing their children corporally.

在此情况下，父母有理由体罚其子女。

2·Most American children have been corporally punished at home by the time they reach adolescence, and in a recent year, nearly 300,000 were physically punished at school.

绝大多数美国孩子在青春期之前都会受到来自家人的体罚，近年来，约有30万美国儿童在学校遭到体罚。

3·Most American children have been corporally punished at home by the time they reach adolescence, and in a recent year, nearly 300, 000 were physically punished at school.

绝大多数美国孩子在青春期之前都会受到来自家人的体罚，近年来，约有30万美国儿童在学校遭到体罚。