《人教新版英语八年级下册Unit7SectionA1a-2d课件教学资料.ppt》由会员分享，可在线阅读，更多相关《人教新版英语八年级下册Unit7SectionA1a-2d课件教学资料.ppt（35页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、人教新版英语八年级下册人教新版英语八年级下册Unit7SectionA1a-2dUnit7SectionA1a-2d课课件件 the tallest tallerYao is much taller than Pan.a bit,a little,much,a lot,lots,any,even+比较级比较级A is as high as mountain B.A is as high as mountain B 1.一般情况一般情况:+er(比较级比较级)+est(最高级最高级)quiet-quieter-the quietest bright-brighter-the brightest2
2、.词末为词末为-e（不发音）（不发音）+r-+stfine-finer-the finest nice-nicer-the nicest3.重读闭音节，末尾只有一个辅音字母的：双写重读闭音节，末尾只有一个辅音字母的：双写辅音字母辅音字母+er-双写辅音字母双写辅音字母+esthot-hotter-the hottest wet-wetter-the wettest4.三个或三个以上音节的形容词只能加三个或三个以上音节的形容词只能加more和和most5.特殊变化特殊变化goodbetterbest many/muchmorethe most1.一般情况一般情况:+er(比较级比较级)+est(
3、最高级最高级)quietquieterthe quietest brightbrighterthe brightest2.词末为词末为-e（不发音）（不发音）+r+stfinefinerthe finest nicenicerthe nicest3.重读闭音节，末尾只有一个辅音字母的：双写辅音字母重读闭音节，末尾只有一个辅音字母的：双写辅音字母+er双写辅音字母双写辅音字母+esthothotterthe hottest wetwetterthe wettest4.三个或三个以上音节的形容词只能加三个或三个以上音节的形容词只能加more和和most5.特殊变化特殊变化goodbetterbes
4、t many/muchmorethe most比较级主要运用与两者比较，最高级运用于三者包括三比较级主要运用与两者比较，最高级运用于三者包括三者以上的比较。者以上的比较。A+erthan B,A+estof the three,A+est than others one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen，seventeen eighteen nineteenCan you read them?8,448 5,654 4,321 9,543 23
5、,345 34,666 43,233 67,321Qomolangma.Its 8,844.43 meters high!Do you know these interest places?Qomolangma Qomolangma runs along the border between China and Nepal.It is covered with snow all the year round.Its 8844.43 high,the highest in the world.Its 26 kilometers long.The Nile Its 6,671 kilometers
6、 long.Caspian Sea Its 1,025 meters deep.The Sahara Its 9,600,000 square kilometers in size.2,300 meters1a Match the facts you know.QomolangmaAbout 9,600,000 square kilometers in sizeThe Sahara1,025 meters deepThe Caspian Sea6,671 kilometers longThe Nile8,844.43 meters high1b Listen and complete the
7、sentences.1.Qomolangma is _ than any other mountain in the world.2.The Sahara is _ desert in the world.3.The Caspian Sea is _ of all the salt lakes.4.The Nile is _ river in the world.higherthe biggestthe deepestthe longestsquare kilometer=km2 square meter=m2度量单位使用规律度量单位使用规律（1）数词）数词+meters/kilometers
8、+high/deep/long/wide（2）XX 平方米平方米=XX square meterHow+high/deep/long/wide+be+主语？主语？8,844 meters high.8,844米高米高 meters high(long,wide)米高（长，宽米高（长，宽)。英语表示英语表示“有多长（宽，高有多长（宽，高）”时，一时，一般般将数词和数量单位放在表示长宽高的形将数词和数量单位放在表示长宽高的形容词前作状语容词前作状语。e.g.The wall is 1.7 metres wide.A:How high is Qomolangma?B:Its 8,844 meters
9、 high.The biggest desert in the world is about 8,000,000 square kilometers in size.How big is the Sahara?Its about 8,000,000 square kilometers in size.2a Listen and number the facts(1-4)in the order you hear them.6,300 5,000 5,464 300_ The Yangtze River is about _ kilometers long and the Yellow Rive
10、r is _ kilometers long._ 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 much longer history than the US.The US is not even _ years old._ China is almost as big as the US,but it is the biggest country in Asia.42132b Li
11、sten 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 long and the Yellow River is _ kilometers long._ China has the biggest population in the world.Its a lot bigger than the population of the US.6,3005,464_ China is over _
12、 years old.It has a much longer history than the US.The US is not even _ years old._ China is almost as big as the US,but it is the biggest country in Asia.5,0003002c Make conversations using the information in 2a.A:Did you know that China is one of the oldest countries in the world?B:Yes,I did.its
13、much older than my country.A:Did you know that Yangtze River is the longest river in China?B:Yes,I did.Its 6,300 meters long.B:Wow!Thats long!中国的长城共有近一万公里，东起河北秦皇岛的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，北京境内的长城有大关口，北京境内的长城有600余公里，比较著名余公里，比较著名的有八达岭长城、金山岭长城、司马台长城、慕田的有八达岭长城
14、、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。峪长城、居庸关长城和箭扣长城等。The Great Wall How long is the wall?Its about 8,850 kilometers long.This makes it the longest wall in the world.Its the most famous part.2d Read the conversation and answer the questions:1.Which is the biggest man-made objects in the world？2.Which is th
15、e most famous part of the Ming Great Wall?The Great Wall.Badaling part of the wall.1.Fell free to ask me anything on todays Great Wall tour.在今天的长城游中，大家尽管问我任何在今天的长城游中，大家尽管问我任何问题，不要拘束。问题，不要拘束。fell free是英语口语中一个常用表达是英语口语中一个常用表达。若。若有人让你有人让你feel free to do something，就，就是是让你无需拘束，只管按照自己的意愿让你无需拘束，只管按照自己的意愿去做
16、某事。去做某事。e.g.A:Can I use your bathroom?我可以用一下你的卫生间吗？我可以用一下你的卫生间吗？B:Yes,feel free.可以，请随意。可以，请随意。as far as I know是一个固定的表达方是一个固定的表达方式，还可以说式，还可以说so far as I know，意思，意思是是“据我所知据我所知”。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据我所知，再没有像它这样大的人造物体了。物体了。e.g.As far as I know,
17、Jacks got twin sisters.就我所知，杰克有一对孪生姐妹。就我所知，杰克有一对孪生姐妹。Theyre not coming today,so far as I know.他们今天不来了他们今天不来了 就我所知是这样的。就我所知是这样的。feel freethe most popular questiontalk about the Ming Dynastythe ancient emperorsthe main reasonas far as I knowthe Ming Great WallPlaceFactsCountry FeelingThe Yangtze River
18、6，300 kilometers longChinaMuch longer than the river in my hometown.Whats the highest mountain in the world?How high is it?Its .China is than the US.China is the oldest countries in the world.China is almost as the US.1.Write a passage about your report.2.Make a survey about other places around the world.Introduce the places.结束！结束！