课件41张PPT。Unit7 What’s the highest mountain in the world?Section A (2d& Grammar Focus)新目标(Go for it)版 八年级下册Lead inThe Great Wall.Badaling part of the wall.watch and answer1. What’s the the video about?2. Which is the most famous part of the Ming Great Wall?It’s 8843,43 meters high.Let’s reviewQomolangma is ______than any other mountain in the world.The Nile is _________river in the world.higherthe longestthe highest mountain It’s 8843,43 meters high.Let’s reviewThe Caspian Sea is __________ of all the salt lakes.The Sahara is __________ desert in the world.the deepest the biggestbigger than any other desertLet’s reviewThe Yangtze River is about _____ kilometers long and the Yellow River is ______ kilometers long.6,3005,464Let’s reviewChina is almost as big as the US, and it is the biggest country in Asia.Let’s reviewChina has the biggest population in the world. It’s a lot bigger than the population of the US. Let’s reviewChina is over _____ years old. It has a much longer history than the US. The US is not even ___ years old.5,000300New wordsfeel 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。feel freee.g.在今天的长城游中，大家尽管问我任何问题，不要拘束。Feel free to ask me anything on today’s Great Wall tour.New wordstourtourist[t??(r)]↓[?t??r?st][??me?z??]amazingwall[w??l]New wordsancient[?e?n??nt]adj.古代的; 古老的protect[pr??tekt]v.保护; 防护adj.宽的; 宽阔的wide[wa?d]New wordsas far as I knowas 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.就我所知，他将外出三个月。As/So far as I know,he'll be away for three months.New wordsadj.人造的; 非天然的;man-maden.太平洋; the pacific ocean[e? p??s?f?k ????n]Let’s learn0Guide： Feel free to ask me anything on today’s Great Wall tour.
Tourist 1：How long is the wall?
Guide： Ah, the most popular question! If we’re only talking about the parts from the Ming Dynasty, it’s about 8,850 kilometers long. This makes it the longest wall in the world.Role-play the conversation.Let’s learn0Tourist 2: Wow, that’s amazing! Why did the
ancient emperors build the wall?
Guide: The main reason was to protect their
part of the country. As you can see，
it’s quite tall and wide. As far as I
know, there are no man-made objects
as big as this.
Tourist 3: Is Badaling part of the Ming Great
Wall?
Guide: Yes, it’s the most famous part.as far as… “就……来说，至于……”conj.像……一样，正如Let’s learn0Grammar FocusLet’s learn 比较级
常用句型
最高级
常用句型
词形构成定义形容词和
副词比较级和 最高级Let’s learn形/副比较级、最高级定义
两者比较用 ≥3者用最高级，
比较级，后接than 前加the 基本 用法Lily is taller than me.Tom is the tallest boy in our class.Let’s learn比较级和最高级的构成规则变化Let’s learnLet’s learn比较级和最高级的构成规则变化巧学妙记比较级要变化，一般词尾加-er。
词尾若有哑音e，直接加r就可以。
一辅重读闭音节，辅音字母要双写。
辅音字母加y，要把y改i。
最高级加-est，前面加the莫忘记。
形容词若是多音节，只把more, most前面写。Let’s learn比较级和最高级的构成不规则变化Let’s learn比较级和最高级的构成不规则变化Let’s learn比较级和最高级的构成比较级和最高级的常见用法原级Let’s learn比较级Let’s learn比较级和最高级的常见用法比较级Let’s learn比较级和最高级的常见用法比较级和最高级的常见用法最高级Let’s learn易错点1形容词比较级前可用a lot/far/a bit/much/even/still等词来修饰，表示“……得多”，“更……”，“……一些”。very, really, so, too, rather, pretty, quite等词后只能用原级。The problem is a lot more difficult than that one.
这道题比那道题要难得多。
He is so careless that he loses the purse.
他是如此粗心以至于弄丢了钱包。常见的用来修饰比较级的副词Let’s learn易错点2(1)形容词最高级用于同自身不同场合相比较时不带the。例如：I’m busiest on Mondays. 我星期一最忙。(2)形容词最高级前有物主代词、名词所有格时，不带the。例如：Alice is the old man’s youngest daughter.
艾丽斯是这位老人最小的女儿。形容词最高级前不用the的情况Let’s learn形容词最高级前不用the的情况(3)两个或多个形容词的最高级并列使用，从第二个起，就不带the。例如：
Bob is the youngest and tallest boy in our class.
鲍勃是我们班最小也是最高的男孩。(4)形容词最高级在句中作宾语补足语时，常不带the。例如：I think grammar hardest in our English study.
我认为在我们的英语学习中语法最难。Let’s learn易错点2视频：形容词副词比较级的用法04a Fill in the blanks with the correct forms of the words in the box.1. 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_______. big much popular long old highlongestlongerhighLet’s do0 It’s 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.popularbigoldermuchLet’s dobig much popular long old high04b Write two comparisons about two topics. Write true facts.e.g. Two rivers:________________ and _____________
______________________________________________
______________________________________________
______________________________________________the Yangtze Riverthe Amazon RiverThe Yangtze River is almost as long as the Amazon River.The Amazon River is longer than the Yangtze River, but theYangtze River is the longest river in China.Let’s do04c Write five questions using comparisons. Then ask your partner your questions.1._________________________________________
2. _________________________________________
3. _________________________________________
4. _________________________________________
5. _________________________________________What’s the highest building in our city?Let’s doⅠ. 用所给词的适当形式填空
1. Many_______(tour) come here to visit the big tree every year.
2. India is one of the_____ (old) countries in Asia.
3. The population of China_____ (be) the biggest in the world.
4. Mountain Tai is a lot_______ (high) than any other mountain in Shandong.
5. Dale didn’t go to the party. The main reason was________
(study) for the test. touristsoldestishigherto studyExerciseⅡ. 句型转换
1. This is a 2, 500-meter-long river. (改为同义句)
This river is 2, 500 .
2. The US is not as large as Russia. (改为同义句)
Russia is the US.
3. The population of Australia is 19, 300, 000. (对画线部分提问)
the population of Australia? meters longlarger thanWhat isExerciseHomework谢谢21世纪教育网（www.21cnjy.com) 中小学教育资源网站 有大把高质量资料？一线教师？一线教研员？
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