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阅读理解Alzheimer’sdisease(早老性痴呆病)isamajornationalhealthproblem.Nearly2millionAmericansovertheageof65haveAlzheimer’sdisease.Itisaleadingcauseofdeathamon
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阅读理解

Alzheimer’sdisease(早老性痴呆病)isamajornationalhealthproblem.Nearly2millionAmericansovertheageof65haveAlzheimer’sdisease.Itisaleadingcauseofdeathamongtheelderly.ButAlzheimer’sdiseaseisnotconfined(限于)totheaged.Theremaybeamillionormorepeopleundertheageof65sufferingfromthedisease.

Atonetime.peoplesufferingfromthediseaseweresaidtobe“gettingold”.ThediseasewasthoughttobeanaturalpartofgrowingoldbutitisnowknownthatAlzheimer’sdiseasestrikesyoungandoldalike.Itisanorganicdiseasethatdestroysbraincells.

Alzheimer’sdiseaseaffectsthepatient’smemoryspeechandmovement.Inthebeginningstagesofthediseasethepatientmayseemslightlyconfused.Hemayhavetroubleinspeaking.

Thenthepatient’smemorybeginstofail.Hemayforgetdatestelephonenumbersnamesandplans.

Asthediseaseprogresses.thepatientmaynotrecognizehisfamilyandfriends.Thesesymptoms(症状)oftencauseterribleanxietyinthepatient.Hemayfeellostandfrightened.Sometimesthepatientreactswithwildandbadbehavior.

Inthelaststagesofthedisease.thepatientmaynotbeabletotakecareofhimself.Hemayhavelosttheabilitytospeakandwalk.

Scientistsdon’tknowexactlywhatcausesAlzheimer’sdisease.Itmaybecausedbyavirusorapoisonoussubstanceintheenvironment.Atpresentthereisnocureforthedisease.Buttherearewaystoslowitsprogress.Exerciseandphysicaltreatmentcanhelpthepatientsofthisdisease.

ThemainideaofthepassageisthatAlzheimer’sdisease________.

[]

A.

isaterriblepartoftheagingprocess

B.

isanorganicdiseasethataffectsyoungandold

C.

canbecuredbyphysicaltreatment

D.

causesforgetfulness

邵群涛回答:
  答案:1.B;2.C;3.C;4.D;
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