2016年山东中医药高等专科学校单招英语模拟试题(含答案解析)

esonthefactthatmostadultsgraduallylosetheabilitytohearhigh-pitchedsounds,.However,thetechnologywasoriginallyaimedatannoyingteenagers,nottheotherwayaround.CalledtheMosquito,pany.Itisanear-splitting17-kilohertzbuzzer(蜂鸣器)designedtohelpshopkeepersgetridofyoungpeoplehangingaroundinfrontoftheirstores.Humanscanhearsoundstakingplaceinafrequencyrangebetween200and20,000hertz,astheresearchshows.esworsewhenwegrowup.68.StudentsinsomeManhattanschoolshavebegunusingthetechnology,sotheycan_________.A.talkinclasswithoutbeingheardbytheirteachersB.usecellphonestosendmessagesinclass?C.hearbetterinclassthantheirteachersD.improvetheirhearingability69.Theunderlinedphrase“theotherwayaround”impliesthe________.A.adultsareannoyednowB.teenagersareannoyednowC.adultsarenotannoyednowD.bothadultsandteenagersareannoyednow