As for how much of IQ comes from genes and how much comes from experiences. Robert Plomin did the survey involving two groups o

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问题 As for how much of IQ comes from genes and how much comes from experiences.
Robert Plomin did the survey involving two groups of students in order to

选项 A、find out the differences of intelligence between the students.
B、make sure how many chromonsomes a healthy person have.
C、detect any genes which influence human beings’ intelligence.
D、find out the IQ differences between children and adults.

答案C

解析 事实细节题。文章首段最后一句指出"因此由伦敦精神病院Robert Plomin带领的研究人员决定寻找一些基因"。结合上句中提到的"影响智力的基因还没人发现"可以看出,Plomin带领的研究人员致力于发现影响智力的基因。接下来第二段中就提到了这个小组具体的实验方法和过程。故"发现任何影响人类智力的基因"为本题正确答案。
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