跟踪导练(四)

摘要

＜正＞阅读地带A Advances in health,education and disease prevention and treatments are making human life longer.But what you may not know is that some seemingly unimportant things can also influence how long and how well you’ll live.Here is the latest research on longevity（长寿）signs.Sign 1:Your Mom Had You Young If she was under age 25,you’re twice as likely to live to