However, those who haven't been dealt a helpful hand of genes shouldn't be too depressed. The professor says a sense of purpose is the key and advises those who are eager for success to focus their thoughts on making a difference.

　　文章大意：最新研究发现，基因在人一生的成败中起着关键性的作用。

　　1．What does the result of the research indicate?

　　A．Our DNA is the only factor to decide our traits.

　　B．Our DNA plays a decisive role in achieving success.

　　C．Education plays little part in the formation of our character.

　　D．Society has little effect on us in our personality.

　　答案：B　细节理解题。根据第一段“Taken together, these aspects of personality can make the difference between success and failure”可知，答案为B。

　　2．The underlined part in Paragraph 4 refers to someone

　　who ________.

　　A．is born successful

　　B．determines to make a difference

　　C．makes great effort

　　D．admits defeat easily

　　答案：D　推理判断题。根据句中someone who refuses to give up和than可推断，这里指轻易认输的人，故答案为D。

　　3．Timothy Bates mentions the ancient Greeks in order to

　　indicate that ________.

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