出國留學(xué)：托福提分試題

出國留學(xué)：托福提分試題出國留學(xué)：托福提分試題

托?？荚囋絹碓浇咏?，同學(xué)們復(fù)習(xí)得怎樣了?堅持每天練習(xí)，最后托福成績一定會提高不少，為了幫助同學(xué)們更有效的`復(fù)習(xí)，我整理了托福提分試題供大家復(fù)習(xí)。

【Introduction】

加拿大一項新研究發(fā)現(xiàn)，患二型糖尿病的病人，若能同時做有氧及重量訓(xùn)練運(yùn)動，將可顯著地降低血糖。

【SectionOne】Article

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;theresistance-traininggroupspentanequalamountoftimeonweightmachines.Thecombinationgroupwasatthegymtwiceaslongastheothertwoexercisegroups,doingthefullaerobicplusweight-trainingregimens."Webuiltupgraduallyto45minutes,butit‘scertainlyvigorous,"saysDr.RonaldSigal,leadauthorofthestudyandassociateprofessorofmedicineandcardiacsciencesattheUniversityofCalgary."It‘snotsprintingormaximalexerciselikeamarathontrainerwoulddo,butforsomeonewho‘smiddle-agedandolderandveryoverweight,it‘sfairlystrenuous."

Overall,researcherssawimprovementsinblood-sugarcontrolinallthepatientswhoworkedout.Comparedwithcontrols,patientsintheaerobicgrouphadareductionof.51%intheirhemoglobinA1Cvalues—atestthatmeasuresblood-sugarcontrolovertheprevioustwotothreemonths(lowerisbetter).Theweight-traininggrouphada.38%reductioncomparedwithcontrols.Butthecombinedexercis