step-by-step-3000第二册unit7第7单元答案

StepbyStep3000Unit7PartIA1、604,0682、957,2123、2,426,5334、1,719,7435、907,3296、419,3867、36,6458、1,231,3189、1,683,85510，444,50911、3,273,11612、1,400,87313、679,19014、2,528,43715、2,058,34216、960,684B100Philosophy200Religion300SocialScience400Language500Science700ArtandRecreation800Literature900History,Travel,Biography720Architecture730Sculpture740DrawingandDesign750Painting770Photography780Music790Amusements791PublicEntertainment793IndoorEntertainment794GamesofSkill796OutdoorSportsandGames797WaterSports799Fishing.Hunting.ShootingC1、March21,1685January28,17502、February23,1685April14,17593、January27,1756December5,17914、December17,1770March26,18275、January31,1797November19,18286、February3,1809November4,18477、March1,1810October17,18498、October22,1811July314,18869、October25,1825June3,189910、May7,1840December6,1893PartIIA1—(b)2—（a）3—（e）4—(d)5—（c）B1、secondhalf2、18th3、174、75、86、17827、about5008、about60milliondollars9、175610、December5,179111、morethan600PartIIIA1、b、NewOrleans2、c、Apoorfamily3、c、Manypeople4、a、Jazzmusic5、a、Afterhebecameanadult6、c、Hiswonderfuljazzmusic7、c、Music8、a、IttellsusofthefamousjazzmusicianLouisArmstrongB1、slow2、sweet3、fast4、hot5、high6、low7、strong8、exciting9、wenderfulPartIVA1、（F）2、(F)3、(T)4、(T)5、（T）6、(F)