4、seofdesignLeadtothetopic,andactivatetheiracquiredknowledge.5PurposeofdesignLookatthepictureandtitle to predict : Whatwillthetexttalkabout?Thenscanparagraph1tochecktheiranswers.Getstudents’mindclosertothecontentandarousestudents’curiosity.PredictionandScanningWHILE-READINGPara2Para3Para4Para1