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1、尿频、尿急、尿痛、尿不尽人每天都必须排尿，尿量的多少主要取决于机体的进水量和由其它途径排出的水量，因此医学上规定，当以个人24小时的尿量超过2500毫升则属多尿，少于500毫升则属少尿，少于100毫升，则属无尿。尿频：排尿过多，会造成身体内水分和电解质等物质的丢失，导致脱水和电解质紊乱；人体脱水后血液浓度高，血栓易形成和中风的发生；反之，排尿过少会使体内毒素排不出去，全身代谢紊乱，重者还会危及生命。如眼、脸、面部或全身浮肿，血压增高及发热可能是急性肾炎；如尿频、尿急、尿痛剧烈者，大多为急性膀胱炎；如排尿不畅，尿道口
2、不痛多为前列腺炎症；当拉尿有剧烈腰痛时可能为肾结石或输尿管结石。尿梗阻：尿排不出去，引起尿液回流到输尿管这种症状对肾的损伤特别大。泌尿系统对感染非常敏感，尤其是女性更易发生慢性疾病，使人虚弱之疾病。肾功能衰竭曾经是中老年人死亡的一个重要原因。1.Hesaidsoftly,sittingbesideme.2.Shuddering,Ihandedtheknifetohim.3.Kneeling,hepulledmeclose.4.Withtearswellingupinhiseyes,herepliedinatremb
3、lingvoice.5.Withhiseyesbrimmingwithtears,hepartedwithus.6.Facingdifficulties,youaresupposedtocomeupwithsolutions.7.Theheadmasterdidn'tblameRigobutrestedhishandonRigo'sshoulder,whichmadehimamazed,(notknowingwhattodo.)8.Hefeltsonervousonthestagethathislegstrembl
4、edandhispalmssweated.Sonervousdidhefeltonthestage.....9.Themanwhowaswavinghishandwasmyfather.10.Whenapproachinghim,Icouldn'thelpburstingintotears.Finally,IhadtosaygoodbyetoSarawithwhomIspentthewholesummer.Herfiguredisappearedinmysightatlast................11.I
5、hadtoadmitthatmydisappointmentwasgrowingsteadily.12.NothingwassadderthanbeingleftoutbyfamilyonChristmans.13.NosoonerhadIheardthelaughterfrommyyoungersonthanIfeltheart-broken.14.Overcomebydisappointmentandloneliness,IbecamefullyawarethatIshouldhavespentmoretime
6、withmyfamily.15.Allofasudden,asoftvoiceawokeme,“Dad,thankyouforcomingbacktostaywithusonChristmasEve16.Hearingthis,Ijustfeltastrongsenseofshame.17.Whatafreezingcoldwintermorning!18.Outsidethewindow,snowflakeskeptfallingandwindiswhistlingcrazily.19.Justthen,mymo
7、m,wearinganexhaustedexpression,cameoutwithabeautifulbrandnewcoatandhandedtome.20.ItlookedsosoftandwarmthatIcouldn'thelprunningmyfingersoverthewhitefurcollar.21.Allofasudden,IrealizedthatitwasMomwhoworkedatthesewingmachineallnighttomakeacoarforme.22.Withtearsof
8、gratitudefillingmyeyes,Icouldn'twaittoputiton.
