UNIT FIVE The Villain in the Atmosphere. Lead In Brief Introduction of Main Idea While small quantity of carbon dioxide in the air is essential to.
I. Lead-in Questions 1.Do you think it legal to clone human beings? 2.Are there any benefits from cloning? 3.Do you want to be cloned? And why?
Unit 5 The World at War I. Lead-inLead-in II. Language PointsLanguage Points III. Guided WritingGuided Writing IV. Presentation and ExercisesPresentation.
Unit 8 Time off I. Lead-inLead-in II. Language PointsLanguage Points III. Guided WritingGuided Writing IV. Presentation and ExercisesPresentation.
Unit Four The Professor and the Yo-yo. Lead In Brief Introduction of Main Idea Einstain is one of the greatest scientists of all time. His ideas and theories.
