八年级英语人教版下册 Unit 7 What’s the highest mountain in the world？ 课件

这是一份八年级英语人教版下册 Unit 7 What’s the highest mountain in the world？ 课件，共24页。
Unit 7 What's the highest mountain in the world? Studying Aims : (学习目标)1.掌握以下新单词和短语 :protect wide deep achievement southwestern thick include freezing condition succeed challenge as far as I know take in 2.掌握形容词和副词的比较级和最高级变化规则和用法。3.了解有关长城的一些信息。 [prəˈtekt] v. 保护；防护 [waɪd] adj. 宽的，宽阔的 就我所知  [əˈtʃi:vmənt] n. 成就，成绩 [saʊθ'westən] adj. 西南的, 西南方向的 [θɪk] adj. 厚的，浓的 [ɪnˈklu:d] v. 包括，包含 [ˈfri:zɪŋ] adj. 极冷的，冰冻的 [kənˈdɪʃn] n. 条件，状况 吸入，吞入（体内） [səkˈsi:d] v. 成功，实现目标 [ˈtʃælɪndʒɪŋ] n.& v. 挑战，考验 protectwideas far as I knowachievementsouthwesternthickincludefreezingconditiontake insucceedchallenge 中国的长城共有近一万公里，东起河北秦皇岛的山海关，西到嘉峪关，这是明代修筑长城的两个最大关口，北京境内的长城有600余公里，比较著名的有八达岭长城、金山岭长城、司马台长城、慕田峪长城、居庸关长城和箭扣长城等。The Great Wall 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?The Great Wall.Badaling part of the wall.1. Fell free to ask me anything on today’s 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。A: Can I use your bathroom? 我可以用一下你的卫生间吗？ B: Yes, feel free. 可以，请随意。Language points 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”。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。feel freethe most popular questiontalk about the Ming Dynastythe ancient emperorsthe main reasonas far as I knowthe Ming Great WallImportant phrases and sentences. How long is the wall?It’s about 8,850 kilometers long.This makes it the longest wall in the world.It’s the most famous part.大多数形容词有三个级。 1. 原级:Structure : as ... as... 像..….一样 e.g. Tim is as tall as Tom. 2. 比较级 (用于两者之间的比较):Structure：形容词比较级＋ than ... e.g. This box is bigger than that one. 形容词和副词的比较级和最高级 3. 最高级(用于三者或三者以上的比较):Structure: the + 形容词的最高级＋of / in ... e.g. Tom is the heaviest in our class.  He is the most popular in our school.3. 最高级(用于三者或三者以上的比较):Structure: the + 形容词的最高级＋of / in ... e.g. Tom is the heaviest in our class.  He is the most popular in our school. 规则变化 1) 一般情况下，单音节或双音节的形容词/副词比较级＋er， 最高级＋est。如:clever — cleverer — cleverest few — fewer — fewest small — smaller — smallest 等。 形容词、副词的比较级和最高级 规则变化和不规则变化 2) 以e结尾的词，比较级＋r，最高级＋st 即可。 如：nice — nicer — nicest cute — cuter — cutest large — larger — largest 3) 以辅音字母＋y结尾的变y为i＋er或est 如: easy — easier — easiest happy — happier — happiest 再如：early, busy, heavy, dirty, lazy 也如此。 4) 重读闭音节，单辅音结尾的，双写这个辅音字母＋er 或 est的词：① fat — fatter — fattest ② thin — thinner — thinnest ③ hot — hotter — hottest ④ red — redder — reddest ⑤ wet — wetter — wettest ⑥ big — bigger — biggest 5) 多音节和部分双音节的词需要在形容词原级前＋more 构成比较级，＋the most 构成最高级。如： beautiful － more beautiful － the most beautiful 又如: delicious, popular, important, interesting, expensive, creative双音节的词如: careful － more careful － the most careful useful － more useful － the most useful少数单音节词也是这样，如： pleased — more pleased — the most pleased tired — more tired — the most tired b) 不规则变化： good — better — best well — better — best bad — worse — worst many/much — more — most far — farther —farthest (距离远) far — further — furthest (程度深) old — elder — eldest (长幼) old — older — oldestFill in the blanks with the correct forms of the words in the box.big much popular long old high1. The Amazon River is one of the _______ rivers in the world. It’s a little _______ than the Yangtze River.2. Qomolangma is 8,844.43 meters _____. It’s one of the most ________ places for serious mountain climbers.longestlongerhighpopular4a3. No ocean in the world is as _____ as the Pacific Ocean.4. Although Japan is _______ than Canada, it is _______ smaller.bigoldermuch太平洋n. 大海；海洋Write five questions using comparisons. Then ask your partner your questions.Writing 1. _________________________________2. _________________________________3. _________________________________4. _________________________________5. _________________________________e.g. 4cWhat is the highest building in our city? Exercises 1. She is ________ than ________. A. busier / us B. busier / we C. more busy / us D. more busy / we 2. Jane is ________ than Betty. A. less taller B. less tallest C. less tall D. not as tall 3. China is ________ country in the world. A. the third largest B. the largest third C. the third large D. a third largest BAA4. — Which is ____ season in Beijing? — I think it’s autumn. A. good B. better C. best D. the best 5. — Which is ____, the sun, the moon or the earth? — The moon is. small B. smaller C. smallest D. the smallest DD6. I study English as ____ as my brother. A. hard B. harder C. hardest 7. Which is ____, a bicycle or a computer? A. expensive B. more expensive C. the most expensive 8. The Yellow River is one of ______ rivers in China. A. long B. longer C. the longest ABCHomework 1. To memorize the important phrases and sentences. 2. To make some sentences using as … as, ... times … than, less than, more than