单选题：CarverandScheierfoundthatincreasedoptimismcanbenefitourmenta

题目内容：

CarverandScheierfoundthatincreasedoptimismcanbenefitourmentalandphysicalhealth.

参考答案：

答案解析：

Cynicismmayactuallyenableustohaveaclearerunderstandingofthew

Cynicismmayactuallyenableustohaveaclearerunderstandingoftheworldinarealisticway

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Arecentstudyconfirmedtheinterconnectivityofdifferentspecies,whichmanyhavealways

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Alltheresearchersinvestingtheminimumwageagreethatraisingtheminimumwagewillreduc

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Debtandthelackofprimary-caremedicinersarenottheonlyreasonswhypeoplearesoattract

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Regardlessoftheeconomicinfluenceofsmallspaces,ourhousesplayaroleindisplayingour

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