英语人教版八年级下册unit7 SectionA(1a-1c).doc

Unit 7 Whats the highest mountain in the world?授课班级 八年级（1）班授课教师 伍 昀教学目标：1语言目标：掌握本单元重点词汇及能用比较级和最高级谈论各之最复习回顾形容词、副词的比较级和最高级。复习数字，并会说位数大的数字。2 技能目标：学会讨论和说本节课的地理知识。3 情感目标：培养学生热爱大自然，保护环境的意识。教学重点：短语: in size, in the world, 2 meters tall/long/wide, the biggest population, one of the biggest, the most popular question, talk about, the ancient emperors, the main reason, as far as I know, no man-made objects, 句子: Whats the highest mountain in the world? Qomolangma.How long is Qomolangma?Its 8,844.43 meters high. Its higher than any other mountain.Which is the deepest salt lake in the world?The Caspian Sea is the deepest of all the salt lake.Did you know that China is one of the oldest countries in the world?Yes, I did. Its much older than the US.教学难点：形容词和副词的比较级和最高级变化规则和用法。 物体之间的对比。教学过程 Section A 1 (1a 2d)Step 1： Revisionshows some numbers on the blackboard and Ss say the numbers by themselvesStep2: PresentationT shows the different geography (mountain, river, salt lake and desert) by using the adjectives (high, long, deep and big) to Ss.T uses more pictures to show the details of these four.Qomolangma is 8,844.43meters high. It is higher than any other mountain in the world.The Nile is 6,671 kilometers long. It is the longest river in the world.The Caspian Sea is 1,025 meters deep. It is the deepest of all the salt lakes.The Sahara is about9, 600,000 square kilometers in size. It is the biggest desert in the world.Step 3 Warming-up1. Watch the photos and talk about them “How big/high/long/big is ? and help the students to answer: Its meters/kilometers/cm big/high/long/big.2. Look these photos and practice the dialogue:e.g. A: How high is Qomolangma?B: Its 8,844 meters high.Step 41a Match the facts you know.Practice in pairs using the information in 1a.Step 5 Explaination8,844 meters high. 8,844米高 meters high (long, wide)英语表示“有多长（宽，高）”时，一般将数词和数量单位放在表示长宽高的形容词前作状语。e.g. The wall is 1.7 metres wide.Step 6Practice 1c Make conversations in pairs.Examples A: Did you know that China if one of the oldest countries in the world?B: Yes, I did. Its much older than my country.Step 7 2d Read the conversation and answer the questions:1) Which is the biggest man-made objects in the world？2) Which is the most famous part of the Ming Great Wall?Step 8 Language points and summary1. Fell free to ask me anything on todays Great Wall tour. 在今天的长城游中，大家尽管问我任何问题，不要拘束。fell free是英语口语中一个常用表达。若有人让你feel free to do something, 就是让你无需拘束，只管按照自己的意愿去做某事。e.g. A: Can I use your bathroom? B: Yes, feel free. 可以，请随意。2. As far as I know, there are no man-made objects as big as this. 据我所知，再没有像它这样大的人造物体了。as far as I know，还可以说so far as I know, 意思是“据我所知”。e.g. As far as I know, Jacks got twin sisters. Theyre not coming today, s