6、一段材料,回答第18至第20小题。18.WhatisSusaninterestedin?A.Science.B.Art.C.Literature.19.WhenwillSusan'sfamilycometoChina?A.ThisJune.B.ThisJuly.C.ThisSeptember.20.HowwilltheygotoBeijingfromthespeaker'scity?A.Bytrain.B.Bycar.C.Byplane.二、单项选择(本题包括20小题,每题1分,共20分)21. Green