参考答案：Teaching plan(one possible version)：
Step 1. Pre-writing
1．Ask the students to read Johann’s letter first．
2．Students choose their writing models．
Step 2．While-writing
1．Students collect their ideas for the letter．Write them down in order．
2. Students begin to write their letters.
3. Choose some letters to show in the class.
Step 3. Writing task
1. Students choose one cultural relic in their hometown that they think is worth saving. Write a letter to all the students of their school to encourage them to help save the cultural relic. They can use the model on Page 46 as a guide.
2. Students check the answers each other.
3. The teacher checks the answers in class.
Step 4. Project
Students finish the project in line with the following:
①Get together with three of your classmates and share your letters from the writing task with one another. Read each letter aloud.
②Know how to take the best idea from each letter and make an even better plan to protect a cultural relic in your hometown. Explain your reasons.
③Organize your plan step by step to get more and more students to join in the project.
④Prepare a short speech and have one member of your group tell your classmates.