高等教育 / 大学英语4
(单选题) How do some researchers now look at routine cancer screening for the elderly?( )
A、 It adds too much to their medical bills.
B、 It helps increase their life expectancy.
C、 They are doubtful about necessity.
D、 They think it does more than good.
A、 It adds too much to their medical bills.
B、 It helps increase their life expectancy.
C、 They are doubtful about necessity.
D、 They think it does more than good.
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