2023年度出国留学托福提分试题

1/12023年度出国留学：托福提分试题

托福考试越来越接近了，同学们复习得怎样了?坚持每天练习，最后托福成绩一定会提高不少，为了帮助同学们更有效的复习，我整理了托福提分试题供大家复习。

加拿大一项新研究发现，患二型糖尿病的病人，若能同时做有氧及重量训练运动，将可显着地降低血糖。

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It‘snosecretthatexerciseiskeytocontrollingtype2diabetes—andmanydoctorsalreadyurgetheirdiabeticpatientstogetactive.Butit‘savaguedirective:Howmuchexerciseisenough?Howoften?Andwhatkind?Thesimpleansweristhatanyisbetterthannone—insum,that‘swhatanewstudypublishedintheSept.18issueofthejournalAnnalsofInternalMedicinefound.Butitalsofoundthatnotallexerciseiscreatedequalandthatthecombinationofaerobicexerciseandweighttrainingissignificantlybetterforcontrollingbloodsugarthaneitheralone.

Theelegantlydesignedstudy,ledbyresearchersattheUniversityofCalgaryandtheUniversityofOttawa,involved251patientsaged39to70,withtype2diabetes.Thepatients,noneofwhomwereregularexercisers,wererandomizedtooneoffourgroups:aerobicexercise,resistancetraining,acombinationofboth,ornone.For22weeks,theaerobicgroupworkedoutfor45minutesthreetimesaweekonthetreadmillorstationarybicycle;theresistancetraininggroupspentanequalamountoftimeonweightmachines.Thecombinationgroupwasatthegymtwiceaslongastheothertwoexercisegroups,doingthefullaerobicplusweighttrainingregimens.Webuiltupgraduallyto45minutes,butit‘scertainlyvigorous,saysDr.RonaldSigal,leadauthorofthestudyandassociateprofessorofmedicineandcardiacsciencesattheUniversityofCalgary.It‘snotsprintingormaximalexerciselikeamarathontrainerwoulddo,butforsomeonewho‘smiddleagedandolderandveryoverweight,it‘sfairlystrenuous.

Overall,researcherssawimprovementsinbloodsugarcontrolinallthepatientswhoworkedout.Comparedwithcontrols,patientsintheaerobicgrouphadareductionof.51%intheirhemoglobinA1Cvalues—atestthatmeasuresbloodsugarcontrolovertheprevioustwotothreemonthslowerisbetter.Theweighttraininggrouphada.38%reductioncomparedwithcontrols.Butthecombinedexercisegroupshowe