[单项选择]Passage 1 Questions 1 to 5 arebased on the following passage: The first year of school in America, knownas kindergarten, usually begins between the ages of five and six. Among richcountries such a late start is very strange. President Obama believes it is an economic and social problem; hiseducation secretary goes as far as to say that it is "morally wrong".This statement has some support, as it is clear from research into vocabulary that youngsters from poorfamilies enter kindergarten well behind those from rich families—a disadvantagethat usually lasts a lifetime. Children from households on welfare knew 525words by the age of three, while the children of professionals had mastered1,116. (76) {{U}}Pre-school can help close this gap.{{/U}} So in aspeech last month, Mr. Obama called for apartnership between the federal government and the states to expand it to everyAmerican child. It later became known that "every" meant those whocome from families with incomes of up t
A. There is no evidence to support theNew Jersey study.
B. New Jersey has created a new HeadStart to help disadvantaged kids.
C. Sending children to school at the ageof four is not going to help.
D. Two years of pre.kindergarten were better than one.