1、Unit 13 Were trying to save the earth!Section B（3a-Selfcheck）Teaching ProceduresTipsStep 1 Warm up3a Ask Ss to complete the chart in 3a. After Ss have completed their individual charts, T may want to ask to show the notes they have made to a partner to get some feedback and revise their notes if the
2、y find it necessary.Answers will vary.Step 2 Writing&Presentation 3b Ask Ss to write a letter to the city mayor about the environmental problems in their city. T may want to suggest to Ss that it might be better to focus on one problem and write about it in detail instead of writing about many probl
3、ems and not providing enough details.T can show Ss some writing tips, good sentences and sample writing before Ss start to write by themselves.Self CheckExercise 1 Let Ss look at the diagram in exercise 1 and write different forms of words. At the end of exercise 1, T may want to review prefixed by
4、asking Ss to make a list of words with the two prefixes they encountered in Section B, activity 2d.Answers: v. - n.pollute - pollution act - action protect - protection inspire - inspiration build - building create - creativityOthers: meet -meeting educate - education paint - paintingn. - adj.fame -
5、 famous wood - wooden science - scientific health - healthysouth - southern care - carefulOthers: wool - woolen hair - hairy north - northernadj. - n.different - difference important - importanceOthers: significant - significance relevant - relevance brilliant - brillianceadj. -adv.slow - slowly wid
6、e - widely sudden -suddenly real - reallyOthers: sure - surely actual - actually quick -quicklyExercise 2 Let Ss match each statement with the grammar structure. Answers:StatementGrammarThe river used to be clean.used toWe have seen many changes in the environment.Present perfectPeople should take p
7、ublic transportation more.Modal verbsThe river is polluted by factories.Passive voiceThe air pollution is getting worse and worse.Present progressiveExercise 3 Ask Ss to write down the ways to cut down the kinds of pollution which are mentioned in the box.Answers will vary.Step 3 HomeworkHomework Pr
8、eview Unit 14 Section A (1a-1c). Do the exercises in students book.Teaching ReflectionThis is the last period of the unit. Students will use what they have learned in the unit. They will use them to write a letter about how to protect the environment. And they will do a lot of work to practice words and expressions. They review the word formation and learn these words. When finishing a unit, we usually get the students to review the whole unit.
