九年级下册英语教学课件系列
2026/1/30Unit1LifeonMarsStudyskills
2026/1/30SkimmingandscanningWhenyouread,youmayunderstandthetextbetterifyouskimandscanthepassagefirst.Thisway,youcangetageneralideaofthetext.Youwillthenbeabletoreadmorequicklyandremembermoreinformationwhenyoureaditthesecondtime.
2026/1/30SkimmingSkimming(略读/跳读)meansrunningoverthetextquickly.Donotreadeveryword.Tounderstandwhatthemainideasarebyreadingthefirstandlastparagraphs,thetitleandtheheadings.
2026/1/30ScanningScanning(查阅)meansrunningoverthetexttolookforspecificinformation,suchasfactsornumbers.Again,donotreadeveryword.Instead,lookfortheinformationthatwillansweryourquestions.
2026/1/30Take1.Usingskimmingandscanningstudyskills,trytoreadthefollowingshortpassage,andthenanswersomequestionsinleasttime.
2026/1/30TheplanetMarsTheplanetMarsappearsredandisabout142,000,000milesawayfromthesun.IttakesMarsabouttwoEarthyearstocompleteacirclearoundthesun.OneyearonMarsis678Earthdays.
2026/1/30Marshastwomoons:PhobosandDeimos.ThesurfaceofMarsismorelikethesurfaceofEarththanthatofanyotherplanetinoursolarsystem.MostscientistsbelievethatthereisnolifeonMarsbecauseconditionsthereareverytough,includinganatmospherethatis95percentcarbondioxide.
2026/1/30Questions1.DoesMarsappearblue?2.IstheatmosphereofMars95percentcarbondioxide?3.DomostscientistbelievethatthereislifeonMars?No.Yes.No.
2026/1/304.HowmanymoonsdoesMarshave?5.HowlongisdistancebetweenMarsandthesun?6.HowmanyEarthdaysoneyearonMars?Two.PhobosandDeimos.142,000,000miles.Becauseconditionsthereareverytough.
2026/1/30Paragraph1In1826,aFrenchmannamedNiepceneeded