单项选择题
单项选择题 TherightordertoshowwhathappenedtotheHillsis
单项选择题 M表的最大示值误差为（）。
单项选择题 In1865,Clemenswroteastoryaboutajumpingfrogwithhispen-name.Thestoryandthewriterbecamefamous.Afterthat,hewrotemanybooks,includingTheAdventuresofTomSawyer.Itwaspublishedin1876.Healsogavemanylectures,andbecameaveryfamousandpopularman.