US 2014 Math kangaroo Problems Level 9-10-教师用卷

US2014MathkangarooProblemsLevel9-10-教师用卷教师用卷1、【来源】2014年袋鼠数学竞赛(MathKangaroo)竞赛第1题(US2014MathkangarooProblems,Level9−10,Question#1)ThedateoftheannualKangaroocompetitionisthethirdThursdayinMarch.Whatistheearliestpossibledateofthecompetition?（）A.14B.15C.20D.21E.22【答案】B;【解析】N/A.2、【来源】2014年袋鼠数学竞赛(MathKangaroo)竞赛第2题(US2014MathkangarooProblems,Level9−10,Question#2)TheMSCFabiolaisthelargestcontainershiptoeverenterSanFranciscoBay.Itcarries12500containerswhichifplacedend-to-endwouldstretchabout75km.Roughly,whatisthelengthofonecontainer?（）A.6mB.16mC.60mD.160mE.600m【答案】A;【解析】N/A.3、【来源】2014年袋鼠数学竞赛(MathKangaroo)竞赛第3题(US2014MathkangarooProblems,Level9−10,Question#3)