I.Teac h ing aims:
1. Learn and master the words and expressions in the text;
2. Train the students’ reading ability;
3. Get the students to learn about how to protect themsel ves from Aids.
II. Importan t and difficult points:
1. Learn to use the word s and expressions in the text.
2. Learn to find out how a paragraph is linked woth the next one.
3. Get to know how to follow the logic of an article.
