cause________. A)thestaffarelessconsideratethanemployers B)ingmoredemanding C)customersunwillingtopayextramoney D)moreconsiderationisgiventothestaffthancustomers 38.Accordingtotheauthor,longqueuesatcountersarecausedby________. A)thediminishingsupplyofgoodstaff B)lackofcooperationamongstaff C)inefficientstaff D)deliberateunderstaffing 39.Thedisappearanceofold-stylehotelporterscanbeattributedtothefactthat________. A)self-serviceprovidesacheaperalternative B)thepersonaltouchislessappreciatednowadays C)machinesaremorereliablethanhumanbeings D)fewpeoplearewillingtodothistypeofwork 40.Theauthor’sfinalsolutiontotheproblemdiscussedinthepassageis________. A)toputupwithwhateverserviceisprovided B)plaintswherevernecessary C)tofullyutilizeallkindsofcoin-eatingmachines D)togowheregoodserviceisavailable