英语人教版九年级全册Unit 13, Section B 2a-2e.doc

Unit 13 Were trying to save the earth!Section B 2a-2e榆中四中 邓海燕I . Teaching objectives1. Words & phrases: iron, work, metal, president, bottle, inspiration, creativity, put to good use, buildout of, pull down, set up, be known for, not onlybut also2. Recognize how prefixes and suffixes may change the meanings of words and how they are used.3. Protecting our earth.II. Teaching key points1. Words & phrases: iron, work, metal, president, bottle, inspiration, creativity, put to good use, buildout of, pull down, set up, be known for, not onlybut also2. Recognize how prefixes and suffixes may change the meanings of words and how they are used.III. Teaching difficultyRecognize how prefixes and suffixes may change the meanings of words and how they are used.IV. Teaching methods Situational teaching method, task-based methodV. Teaching aids Multimedia, Blackboard, Books, Learning guide.VI. Teaching ProceduresStep 1. Lead-inShow some pictures of reconstituted things and ask students to talk about them. Dont forget to teach new words at the same time.Step 2. Before readingExplain the title of reading and play the tape. Students should predict what the text talk about after listening.Dont forget to explain the prefix re-.Step 3. Fast readingAsk students to read the text as quickly as they can and try to find key words and topic sentences. Check the answers together.Step 4. Careful readingHelp students read the text paragraphs one by one, ask them to pay attention to the details and finish the tasks by using thee information. (One big group one paragraph) Para. 2, questions Who is Amy Hayes？ Did she win a prize? Where was it from? What did the president say？Para.3, check T/F and correcting. Jessica Wong is good at recycling. Jessica Wong sells her bags at home Jessica Wong writes her book in order to sell her bags.Para.4, fill in the blanks. set up four years ago. is known for Wang Tao hopes to set up to Explain the prefix un-, and suffixes -ly, -ion, -tion, -ions, -ness, -ance, -ence.Step 5. After readingAsk students to finish the task in 2c and correct the answers.Step 6. Discussion These are some things about saving the earth, which things can be done by common people every day? (A) Which things have to be done by governments and organizations? (B) Discuss these with your group. educate the public take your own bags when you go shopping spend less time in the shower protect the forests turn off the lights when you leave a room ensure that factories get rid of waste in a responsible way take public transport rather than drive avoid using air conditioners protect endangered animals and plants Step 7. Summary & HomeworkFinish the task in 2b.请根据实例说出前缀in-, im-, dis-, mis-, com-/ con-及后缀 -or/er/ess/ist, -ful, -able, -les