__4__Scientists are still not exactly sure how genes influence aging, but they believe that they do.Some think that a woman’s body cells have a tendency (倾向) to age more slowly than a man’s.Others think that a man’s body cells have a tendency to age more quickly.__5__

　　A．However, women, on average, live longer.

　　B．The biological factor plays an important part.

　　C．Women are also helped by their female genes.

　　D．The female hormones also protect the body in another way.

　　E．Recent research seems to support both of these possibilities.

　　F．Therefore, women are more healthy than men and can live a better life.

　　G．Hormones are chemicals which are produced by the body to control various body functions.

　　Passage 6　(2016·浙江)

　　根据短文内容，从短文后的七个选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

　　A．Get involved in student activities

　　B．Your voice is actually super important

　　C．There is a significant increase of opportunities

　　D．Stay in active communication with your friends

　　E．Get smart about the people who you spend your time with

　　F．Your major does not matter as much in your first year of college

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