约4980字。

　　Unit 7 Sports and Good Health
　　Lesson 50 教学设计
　　LESSON OBJECTIVES
　　After this lesson, students should be able to
　　1. understand the meaning of the text
　　2. remember and use the mastery vocabulary and know some important words about the geography in North America
　　3. write something or talt North America
　　4. understand and write down some missing words as heard in sentences or passages in different contexts
　　CLASS OPENING (5 MINUTES}
　　For ideas and tips on beginning a class, see "Teaching Techniques" at the back of this teacher's guide.
　　STUDENT BOOK (15 MINUTES)
　　There is one reading for this lesson. The reading presents new vocabulary and reviews the vocabulary students have learned in previous lessons.
　　The new vocabulary for this lesson includes the following words and phrases:
　　Mastery Vocabulary
　　America, American
　　Certainly.
　　Will/Would you please         ？
　　Oral Vocabulary
　　North America, South America
　　There are many ways to teach immersion reading. Here are some step-by-step instructions for one way to teach the reading in this lesson.
　　Step 1: Check to see if the students have previewed the text. Ask if they have any questions concerning the meaning of the text. Encourage other students to try to answer the questions. Ask the class what they know about North America, including the population, countries, cities, languages spoken, history and geographical features.
　　Step 2: Play the audiotape. Have the class follow the audiotape while looking at the text.
　　Step 3: Discuss the reading with the class. Ask the class to summarize the main ideas of the text. Mare the students know the six main points (the six questions introducing each paragraph) discussed in the text.
　　Step 4: Divide the class into small groups. Have each group do the one of following activities: draw a map of North America, roughly indicating in English the countries, major cities and