题目内容:
Inwhatwaydoelderlypeoplebenefitfromtheircontactwithnature?
A.Theylookonlifeoptimistically. B.Theyenjoyalifeofbetterquality.
C.Theyareabletolivelonger.
D.Theybecomegood-humoured.
参考答案:
答案解析: