TheinternationalEnglishLanguageTestingSystem(IELTS)isth...
問題詳情：TheinternationalEnglishLanguageTestingSystem(IELTS)istheworld’smostpopularEnglishlanguageproficiency(水平)testforhighereducationandglobalmigration(移民),withmorethan2millionteststakeninthelas...