Questions 47 to 56 are based on the followingpassage.
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 areinfluenced by the interaction of your genes and theenvironment in which you were 47 . The study ofhow genes and environment interact to influence48 activity is known as behavioral genetics. Behavioral genetics has made important 49 tothe biological revolution, providing information about the extent to which biology influencesmind, brain and behavior.
Any research that suggests that 50 to perform certain behaviors are based in biology iscontroversial. Who wants to be told that there are limitations to what you can 51 based onsomething that is beyond your control, such as your genes? It is easy to accept that genescontrol physical characteristics such as sex, race and eye color. But can genes alsodetermine whether people will get divorced, how 52 they are, or what career they are likely tochoose? A concern of psychological scientists is the 53 to which all of these characteristicsare influenced by nature and nurture(养育), by genetic makeup and the environment. Increasingly, science 54 that genes lay the groundwork for many human traits. From thisperspective, people are born 55 like undeveloped photographs: The image is alreadycaptured, but the way it 56 appears can vary based on the development process. However, thebasic picture is there from the beginning.
[A] abilities [I] extent
[B] achieve [J] indicates
[C] appeal [K] proceeds
[D] complaints [L] psychological
[E] contributions [M] raised
[F] displayed [N] smart
[G] essentially [O] standard
[H] eventually
