试题答案1-5CDCCD6-10BACAA11-15DACBC16~20ACAAC21~25DDBAC26~30BADCF31-35CAACB36-40ACDCB41~45FTTTT46-50DBCBC51.kept52.crowded53.breathe54.lay55.fed56.everything57.part58.visit59:realize60.simple61.traffic62.those63.in64.enjoy65.playing66.Afterawaroradisaster.67.Over27,000.68.Doctorswithexperienceintropicaldiseases.69.Becauseattheendofeachtaskhehasmadearealdifferencetopeople’slives./Becausehisjobmakesadifferencetopeople’slives.70.(Itisexciting)becauseyoumaytraveltomanyplacesandhelppeopleinneed.(Itisdangerous)becauseyoumayworkindifficultconditions.(Anyreasonableanswerisacceptable.A.略.B.略
