学习内容Unit4Astronomy:thescienceofthestars1
Learningabilitygoals学能目标EnableSslearnhowtotalkaboutthebeginningoflifeontheearth
Abilitygoals能力目标a
EnableSstotalkaboutthescienceofthestars,thedevelopmentoflifeandspacetravelandgravityWheredowecomefrom
Howdidtheuniversebegin
Whyistheuniversethewayitwas
Howwillitend
Howmuchdoyouknowaboutuniverse
Doyouwanttohaveaspacetravel
Doyouknowsomethingaboutgravity
Understandthetextandanswerthefollowingquestions:Whatwasthereontheearthbeforelifecouldbegin
Whydoscientiststhinktherehasneverbeenlifeonthemoon
Whydidanimalsfirstappearintheseas
Whydidgreenplantshelplifetodevelop
Whyweremammalsdifferentfromotheranimals
EnabletheSstounderstandthedetailsaboutthepassage,choosingthecorrectansweraccordingtothetextandputtheorderofdevelopmentoflifeintoatimelineandanswerque