题目内容:
Peter Fischer
A.A rich person is not necessarily happy. B.Things people often overlook may be the very source of happiness.
C.Happiness can be promoted on a scientific basis.
D.We should mainly rely on ourselves for happiness.
E.Happiness lies in giving instead of taking.
F.The environment is a source of happiness.
G.Happiness can be achieved if we stick to the best of our values.
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