英语人教版八年级下册Unit7SectionA3a.doc

Unit 7 Whats the highest mountain in the world?第2课时 Section A 3a-4c教学目标一、知识与技能1Improve the reading ability.2熟练掌握较大数字的表达，灵活运用比较级和最高级。3. Master some important words and phrases. 二、过程与方法反复训练重点句型，用各种方法巩固比较级和最高级的单词，短语和句子。三、情感态度与价值观了解珠穆朗玛峰的险峻并学习人类克服困难、挑战极限的勇气与实践精神。教学重点1. Improve the reading ability.2. 熟练掌握较大数字的表达，灵活运用比较级和最高级。3. Master some important words and phrases. 教学难点熟练掌握较大数字的表达，灵活运用比较级和最高级。教法导航引导学生反复阅读，反复训练，达到熟能生巧的境地。学法导航学生认真听，多训练以此达到学以致用的目的。教学准备图片、多媒体。教学过程Step 1 GreetingsGreet the class as usual.Step 2 Lead in Show some photos on the screen. Let the students answer the following questions:Which is the highest mountain in the world?Which is the longest river in Asia? Step 3 Reading Read and match.Paragraph 1 spirit of climbersParagraph 2 achievements of climbersParagraph 3 facts and dangersRead the article again，and answer the following questions:1. What a mountain is Himalayas?Its one of the most popular places for mountain climbing.2. Why is it dangerous to climb Qomolangma?Because thick clouds cover the top and snow can fall very hard.3. When did the first Chinese reach the top of Qomolangma? In 1960. Read the article again and complete the chart.Paragraph 1Paragraph 2Paragraph 3List tour dangers for climbers.List three achievementsList tour comparisonsthick clouds1953Tenzing Norgay and Edmund Hillary were the first to reach the topMost dangerous sportsnow can fall very hard freezing weather conditions heavy stormsThe first Chinese team reached the top in 1960.The first woman to succeed was Junko Tabei from Japan in 1975.People can challenge themselves in the face of difficulties.Never give up trying to achieve our dream.Humans can be stronger than the forces of nature.3c, Answer the questions using information in the article.Keys：In the southwestern part of China. 8，844.43 meters high.Because people want to challenge themselves in the face of difficulties.We should never give up trying to achieve our dreams.Step 4 Language pointsOne of the worlds most dangerous sports is mountain climbing，“one of + the + 形容词的最高级+复数名词”，意为“最之一”。 e.g. Miss Wang is one of the most popular teachers in our school.王老师是我们学校最受欢迎的老师之一。2. It is also very hard to take in air as you get near the top.It is + adj. + to do sth.，it作形式主语放在句首，而把真正的主语放在句尾。常用于此句型的形容词有important，difficult，dangerous，necessary，useful，possible等，用来对to do sth.进行说明。此句型可以转换成To do sth. is + adj.e.g. It is important to study English well. 学好英语很重要。Its very difficult to climb Qomolangma. 攀登珠穆朗玛峰很难。3. The spirit of these climbers shows us that we should never give up trying to achieve our dreams. give up 意为“放弃”，后面可以接名词、代词或v-ing形式作宾语。注意：如果其宾语是名词，那么名词可以放在 give 和 up 之间，也可以放在 up 之后；如果其宾语是代词，那么代词只能放在 give 和 up 之间。e.g. My uncle wants to give up drinking wine. 我叔叔想戒酒。Although English isnt easy to learn，I wont give it up. 虽然英语不易学，但我不会放弃。4. Why do so many people try to climb this mountain even though it is dangerous?even though 用作从属连词，意为“即使；尽管”，相当于even if，引导让步状语从句，一般不与并列连词but连用。Mr. Wang will come on time even though it rains.尽管下雨，但王老师会按时来Step 5 Grammar FocusLet the students go through the Grammar focus and read aloudThe teacher explains the following points：比较级考点：1. 比较级修饰: a little，a bit，even，still，much，a lot，far等可修饰比较级。e.g. Tom is a little taller than Jim. This book is much more interesting than that one.2. 比较级和最高级的转换e.g. Tom is the tallest student in the class.= Tom is taller than any other student in the class. = Tom is taller than all the other students in the class. = No other students are taller than Tom.3. 同级比较 as + adj./adv. + as e.g. She is as thin as Lily. He writes as carefully as Linda. not + as/so + adj./adv. + as e.g. Tony didnt run so fast as Carter Step 6 4a-4c1. Fill in the blanks with the correct forms of the words in the box.big much popular long old high 1) The Amazon River is one of the _ rivers in the world. Its a little _ than the Yangtze River.2) Qomolangma is 8，844.43 meters _. Its one of the most _ places for serious mountain climbers.3) No ocean in the world is as _ as the Pacific Ocean.4) Although Japan is _ than Canada，it is _ smaller.2. Write two comparisons about two topics. Write true facts.If necessary give the students some help.Check the answers3.Writing：Write five questions using comparisons. Then ask your partner your questions，Give the students several minutes and then ask some pairs to report their result.Step 7 summaryGive the students a few minuets to sum up what they have learned课堂作业Fill in the blanksOne of the most _ sports in the world is mountain _，and one of the most _ places to go for this is the Himalayas. These extremely high _ attract _ from all over the world. Many people say this is one of the most _ parts of the world. The Himalayas _ along the _ border of China. Of all the peaks (tops)，Qomolangma is the _ and most _. Its _ to climb Qomolangma because thick clouds _ the top of the mountain. Even more serious _ include the freezing _ conditions and the _ storms. The first _ to reach the top of Qomolangma Tenzing Norgay and Edmund Hillary did it in 1953. The first Chinese climber _ the top in 1960，and in 19