这些词汇在写作和阅读中使用更加频繁，当我们描述一个人的行为时：
Why do we behave the way we do? Is it ______ or ______? According to behavioural psychologist Michael Woods, various factors have an ______ ______ our lives.
Parents ______ a crucial ______; other ______ ______ are less influential.
_______ _______ is a significant factor.
Positive _______ are effective; ______ aren't.
A ______ ______ or ______ childhood needn't have a ______ ______.
ANSWERS:
NATURE;NURTURE; IMPACT ON; PLAY PART; ROLE MODELS; PEER PRESSURE; INCENTIVES; DETERRENTS; BROKEN HOME; DEPRIVED; DETRIMENTAL EFFECT.