One of the keys to getting relaxed is to focus on the present.

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假设你新近结识了一位英国朋友John，为了增进彼此的了解，请给他写一封电子邮件，介绍一下自己最喜欢的业余爱好。内容包括： 这项爱好是什么； 你喜欢它的原因； 它给你带来的乐趣。 请以Li Ke署名

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Mental Health and AgingMental or psychological(psychology)health problems can increase with age. There are various_____（41）(reason).One is biological change which can interfere with the brain's ability to deal with_____（42）(inform).Another is social change such as_____（43）(retire)which can lead to a_____（44）(feel) of uselessness.Mental health problems can have a serious influence on an older person's ability. They may affect their ability to carry out many basic_____（45）(activity)of daily living, from getting up to_____（46）(manage) financial affairs.But problems often go without being_____（47）(solve).Many older people struggle on without the right help—or any help at all. Understanding how mental_____（48）(ill) tends to affect the elderly is vital in_____（49）(help) them to manage their problems_____（50）(effective)and reduce the risk of serious harm._____.