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雷达卡
2010 年 12 月英语四级考试真题
Questions 47 to 56 are based on the following passage.
What determines the kind of person you are? What factors make you more or
less bold, intelligent, or able to read a map? All of these are influenced by the
interaction of your genes and the environment in which you were 47 . The study
of how genes and environment interact to influence 48 activity is known as
behavioral genetics. Behavioral genetics has made important 49 to the
biological revoluti ...
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