20、

   Female——女性

1．The phrase ‘life expectancy’ refers to        ．

    A．the changing life，in years

    B．the ages of people born after 1980一1982

    C．the difference in ages between men and women

    D．the years a person can expect to live if there are no disasters

 2．The table is intended(想要)to show that         ．

    A．1ife expectancy is changing very little

    B．females can expect to live longer than males

    C．everyone can expect to live longer now

    D．old people don’t have as long to live as younger people

  3．An eighty-year-old female in 1990 can expect to live        

    A．0.5 years more than a male the same age

    B．1.9 years more than a male the same age

    C．7.0 years more than a male the same age

      D．8.9 years more than a male the same age