用方框中所给单词的适当形式填空，使短文完整正确。（每个单词限

问题填空题

用方框中所给单词的适当形式填空，使短文完整正确。（每个单词限用一次）

need, health, actual, do, remam, old, clear, whether, necessary, develop

     Playing sports like running every day l      _ good to your longer life. But researchers at Boston
University have also found people are likely(可能WJ) to live to age 100 or 2_____because of a kind
of genes(基因) in people. The technique may also help doctors know 3_____ you may get a disease
before tlie signs show up.
     Living a long, 4        .life lies in your fanulie.s. If your grandparents and parP.nts lived into their 90s
and 5       healthy until the end, there's a pretty good chance vou will have, too. So it's 6          that genes
play an important role in your ages.
     The Boston University researchar says this kind of findings are very 7      _ ancl important, not just
in knowing who will live longest, but in 8         helping people live longer and healthier lives.
     As the cost of the 9        genetic tests goes on dropping , he says doctors will be able to screer
patients for diseases they may not10        until later in life, and gave ways to avoid them.

答案

1. does 2. older 3. whether 4. healthy 5. remain

6. clear 7. necessary 8. actually 9. needed 10. develop