2. 专升本
  3. Both men and women are living longer these days in industrialized countries.【R1】________In general, they can expect to live six

Both men and women are living longer these days in industrialized countries.【R1】________In general, they can expect to live six

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问题     Both men and women are living longer these days in industrialized countries.【R1】________In general, they can expect to live six or seven years more than men. One reason for this is biological.
    One important biological factor that helps women live longer is the difference in hormones between men and women.【R2】________. Between the ages of about 12 and 50, women produce hormones that are involved in fertility (生育能力). These hormones also have a positive effect on the heart and blood flow. In fact, women are less likely to have high blood pressure or to die from heart attacks.
    【R3】________. They help the body defend itself against some kinds of infections. This means that women generally get sick less often and less seriously than men. The common cold is a good example: women, on average, get fewer colds than men.【R4】________. 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 to age more slowly than a man’s. Others think that a man’s body cells have a tendency to age more quickly.【R5】________.
    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.
【R2】
选项
答案G
解析 推理判断题，根据上文的One important biological factor that helps women live longer is the difference in hormones between men and women可知，女性的寿命更长，其中一个重要的生物因素就是男性与女性分泌的激素存在差异。和下文的Between the ages of about 12 and 50, women produce hormones that are involved infertility(生育能力)(12岁至50岁之间，女性产生生育激素)可知，此处是连接上下文的过渡句，即此处为解释说明激素，激素是一种化学物质，它由机体产生，并控制机体的各个功能。故选G。
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