From a very early age, some children show better self-control than others. Now, a new study that began with about 1,000 children in New Zealand has tracked how a child’s low self-control can predict poor health, money troubles and even a criminal record in their adult years.
Researchers have been studying this group of children for decades now. They observed the level of self-control the youngsters displayed. Parents, teachers, even the kids themselves, scored the youngsters on measures like “acting before thinking” and “Persistence in reaching goals.”
The study led  by Moffitt of Duke University and colleagues followed 1,000 children from birth to age 32 in Dunedin, New Zealand.
“The children who had the lowest self-control when they were age three to ten, later on had the most health problems in their 30s,” Moffitt said，“and they had the worst financial situation. They were more likely to have a criminal record and to be raising a child as a single parent on a very low income.” Moffitt explained that self-control problems were widely observed, and weren’t just a feature of a small group of misbehaving kids.
Moffitt said it’s still unclear why some children have better self-control than others, though she said other researchers have found that it’s mostly a learned behavior, with relatively little genetic influence. But good self-control can be set to run in families because children with good self-control are more likely to grow up to be healthy and prosperous parents. But the good news, Moffitt said, is that self-control can be taught by parents, and through school curricula that have been shown to be effective.
From the first two paragraphs we learn that                      .

A．the research has been carried out for five years

B．self-control in kids tends to determine their future

C．self-control was assessed by children’s intelligence

D．children’s self-control is almost the same at early age

Children with low self-control are more likely to                        .

A．become wealthy in later life	B．get good school performance
C．have better financial planning	D．adopt negative behaviors

According to Moffitt，                       .

A．only good genetic factors can shape their lives in the future

B．scientists know well why some children have better self-control

C．self-control in childhood has nothing to do with criminal activity

D．willpower as a child really influences people’s chances of adulthood

What can be inferred from the passage?

A．Self-control cannot be taught in schools.

B．The study is restricted within few participants.

C．It’s never too late to deal with self-control problems.

D．Good parenting can improve self-control and life success.

Which of the following might be the best title of the  passage？

A．Child’s self-control predicts future health and success

B．Kids are encouraged to take risks at an early age

C．Children’s development cannot be changed by teachers

D．How to teach the kids a bit of self-control in schools

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