英语人教版八年级下册Unit 7 Section B (1a--1d) .docx

Unit 7 Whats the highest mountain in the world?Section B (1a-1d) 回龙中学 胥丽兰2016.5.20【教学目标】1.掌握centimeter（cm),weigh ,birth, adult, at birth, up to等单词或短语，熟练运用本课词汇和句型谈论动物信息。2.通过比较两种动物的事实,熟练掌握形容词和副词的比较级和最高级的用法。使用目标语言训练学生的听说技能。3.通过对稀有动物的了解，学会保护动物。【教学重难点】1.形容词和副词的比较级和最高级的用法。2.利用形容词和副词的比较级灵活地比较两种动物。【教学方法】情景教学法，合作学习法【教学过程】Step1.Leading-in1.Show some pictures to learn the new words and phrases:centimeter（cm),weigh ,birth, adult, stand on two legs.2.Show some pictures to compare , let students know about: a little taller, much taller; weigh less, weigh more; two times more, many times more; eat less, eat more.3. Group work: Ask and answer about height and weight.Step2.Presentation1. Show a picture of a panda and a picture of an elephant. Tell students about their height, weight and how much food they eat every day.2. Teach the sentences :This elephant weighs many times more than this panda. Explain the structure “multiple/numeral + comparative degree + than”.Step3. Group workCompare the elephant and the panda, make sentences with the facts. After they finish it, ask some students to say their own sentences.Step4. Listening practice1. Show the numbers and ask students to read them together.2. Play the recording for the first time. Ask students to check the numbers they hear. Check the answers in class.3. Show the pictures of baby panda and adult panda, ask students to find the differences.4. Lead students to understand the sentences in 1c.5. Play the recording for the second time. Ask students to complete the sentences. Ask some students to check their answers.6. Play the recording for the third time. Ask students to look at the listening conversation and read together with the tape.Step5 Group workShow a chart about baby panda and adult panda. Ask students to take turns talking about baby panda and adult panda.Ask some groups to show.Step6 ExerciseShow some exercises on the big screen, ask students to finish it.Step7 Summary1. weigh much more/less, many times, at birth, live up to2. Compare the elephant and the panda.3. Compare baby panda and adult panda.Step8 HomeworkPreview Section B 2a-2c. Blackboard DesignUnit 7 Whats the highest mountain in the world?Section B (1a-1d)many times at birthweigh much more/less live up toea