This passage mainly discusses how epidemics spread and how to prevent in advance. Epidemic diseases can be prevented by means o

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问题 This passage mainly discusses how epidemics spread and how to prevent in advance.
Epidemic diseases can be prevented by means of vaccination or ______.

选项

答案good health habits

解析本题涉及到流行病的防治，需锁定文章第十段．综合该段首句Some diseases can be prevented by vaccination和第三句Other diseases can be prevented by good health habits很容易得知，流行病有两种预防方式，接种疫苗和保持良好的健康习惯，故本空应填good health habits。

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大学英语四级

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This passage mainly discusses how epidemics spread and how to prevent in advance. Epidemic diseases can be prevented by means o

大学英语四级

Shynessisthecauseofmuchunhappinessforagreatmanypeople.Allkindsofpeopledescribethemselvesasshy:short,tall,d

RisksforYouthsWhoEatWhatTheyWatchA)Manyfactorsinfluencechildren’sfoodchoices;wheretheyeat;whattheirfrien

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ThesubjectofautomationanditsroleinoureconomyhastakenholdinAmericanpublicdiscourse.Technologybroadlyandautoma

Forthispart,youareallowed30minutestowriteashortessayaccordingtothefollowingsituation.Youshouldwriteatleast

A、Becauseshewasn’twell-dressed.B、Becauseshedidn’thaveagoodvoice.C、Becauseshewasveryshy.D、Becauseshehadnoexpe

A、Loneliness.B、Poorhealth.C、Stress.D、Depression.D原文中提到，抑郁症影响着大约600万65岁以上的美国人，约占其总人数的15％，被认为是造成老年人高自杀率的一大原因。因此答案为D。

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