初中英语人教版八年级下册Unit 7 .docx

Unit 7 Whats the highest mountainin the world?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。2 技能目标：能听懂和谈论有关地理和自然的话题。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 thebiggest, the most popular question, talk about, the ancient emperors, the mainreason, as far as I know, no man-made objects, mountain climbing, thesouthwestern part of China, thick clouds, cover the top, risk ones life, challengeoneself, achieve ones dream，theforestof nature, try to do sth., thespirit of the climbers, many times more than ,live up to, prepare for., beawake, be special to sb., spend some time doing sth., in the remaining forest,endangered animals, in the future句子:Whats the highestmountain in the world?Qomolangma.How long is Qomolangma?Its 8,844.43 metershigh. Its higher than any other mountain.Which is the deepest saltlake in the world?The Caspian Sea is thedeepest of all the salt lake.Did you know that Chinais one of the oldest countries in the world?Yes, I did. Its mucholder 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。课时划分：Period 1Section A 1 1a 2dPeriod 2Section A 2 3a-3cPeriod 3Section A 3 Grammar Focus-4cPeriod 4Section B 1 1a-2ePeriod 5Section B 2 3a-Self checkSection A 1(1a 2d)Step 1 Presentationsquaren. 平方 metern.米 deepadj. 深的desertn.沙漠 populationn.人口 populationn.人口Asian. 亚洲 tourv.n.旅行 touristn. 旅行者walln.墙 amazingadj. 令人大为惊奇的ancientadj.古代的 wideadj. 宽的；宽阔和Step 2 Warming-up1. Watch the photos and talkabout them “How big/high/long/big is ? and help the students to answer: Its meters/kilometers/cmbig/high/long/big.2. Look these photos andpractice the dialogue:e.g.A: How high is Qomolangma?B: Its 8,844 metershigh.Step 3 1a Match the facts you know.Practice in pairs using theinformation in 1a.Qomolangmaabout 9,600,000 square kilometers in sizeThe Sahara1,025 meters deepThe Caspian Sea6,671 kilometers longThe Nile8,844.43 meters highStep 4 Explaination8,844meters high. 8,844米高meters high (long, wide)米高（长,宽)。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 5 Listening1. 1bListen and complete the sentences.1) Qomolangma is _ than any other mountain inthe world. 2) The Sahara is _ desert in the world.3) The Caspian Sea is _ of all the saltlakes.4) The Nile is _ river in the world.2. 2aListen and number the facts(1- 4) in theorder you hear them.2bListen again and fill in the blanks in 2a with the numbers in the box.6,300 5,000 5,464 300_ The Yangtze River is about _ kilometers longand the Yellow River is_ kilometerslong._ China has the biggest population in the world.Its a lot bigger than the population of the US._ China is over _ years old. It has a muchlonger history than the US. The US is not even _ years old._ China is almost as big as the US, but it is thebiggest country in Asia.Step 6 Practice1c Make conversations inpairs.Examples A: Did you know thatChina if one of the oldest countries in the world?B: Yes, I did. Its mucholder than my country.Step 7 2d Read theconversation 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 yourbathroom? 我可以用一下你的卫生间吗？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是一个固定的表达方式，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. 就我所知，杰克有一对