英语人教版八年级下册：： Unit 7 What’s the highest .ppt

1、Welcome to our teachers!,Unit 7 Whats the highest mountain in the world?,Section A 1 1a1c,【课前自主学习】-准备好，更高效,Find out the rules: 形容词和副词比较级和最高级的构成 long longer-longest late - later-latest big bigger-biggest easy easier-easiest beautiful more beautiful the most beautiful good/well-better-best little-less

2、 least 六小点 1.直接+er/est 2.以e 结尾+r/st 3.双写后一个字母+er/est 4.辅音字母加y结尾的把y改为i+er/est 5多音节词在前面+more/most 6.不规则形式,形容词比较等级的结构形式,原级： 主语+be(am is are)+形容词 （一人或一物） 比较级：主语+be+（形+er）+than+名词 （只能是两者中比较） 最高级：主语+be+the+（形+est）+of all/(in) (三者以上比较),Qomolangma,tumu,l: m,the Sahara, sh:r,the Caspian Sea, kspin si:,the Ni

3、le, nal,a,- 1,Can you speak? 你会说吗？,square n. 平方,meter n. 米,deep adj. 深的,desert n. 沙漠,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.

4、,The Nile is the longest river in the world. Its more than 6600 kilometers long. It runs through 9 countries, its one of the largest river flows through the international states in the world and runs into the Mediterranean Sea(地中海) in the end.,The Nile,The Caspian Sea,The Caspian Sea is the biggest

5、lake in the world. It lies in the border between Asia and Europe.,The Sahara is the biggest desert in the world. It is located in the northern Africa, climate conditions are very bad, is one of the earths most not suitable for biological survival.,The Sahara,The Yangtze River is the third longest ri

6、ver in the world, the first Asian rivers. Its 6211.31 kilometers long. The Yangtze River Basin, east-west width of 3219 kilometers, about 966 kilometers wide north-south, passing through 11 provinces. It runs into the East Sea in Shanghai finally.,The Yangtze River,Which is the highest mountain in t

7、he world? Which is the longest river in Asia?. ,Talk about these pictures in pairs.In a small groups of four,【预习自测 组内交流】In a small group of four students,长_ 宽_高_深_ 最高的山_ 最长的河_ 最深的海_ 最大的沙漠_ 1032米深_ 8844.43米高_ 9600000平方米 27190米宽_ 1).世界上最高的山峰是哪个？_ 珠穆朗玛峰_ 2)Jim比Peter高得多_. 对于物体长、宽、高、深度 、面积的表达 eg. 10米长 10

8、 meters long 15米宽 15 miters wide 2o米深 2o meters deep 150平方米 150 square meters,1a Match the facts you know.,1b Listen and complete the 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

9、 is _ river in the world.,higher,the biggest,the deepest,the longest,【限时训练，及时过关】Choose the right answer,( )1.Whats the highest mountain in the world? A.TheSahara B.Huangshan C.Taihangshan D. Qomolangma. ( )2.China is one of _countries in the world. A.bigger B.the bigger C.the biggest D.bigges （ ）3.J

10、ack is_heavier than Tom. A.some B.many C.more D.much ( )4.Our playground is about 2000_meters in size. A.long B.deep C.wide D.square. ( )5.The Nile is_kilometers long. A.7,470 B.6,740 C,8,740 D.9740,D,C,D,D,B,8,844 meters 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

11、长宽高的形容词前作状语。 e.g. The wall is 1.7 metres wide.,Explaination,A: How high is Qomolangma? B: Its 8,844 meters high.,Practice,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.,What do you know about the mountain,desert,lake ,river?,Summary (Students answer) Whats the highest/longest/biggest in the world? long wide high deep The Himalayas Qomolangma The Sahara The Caspian Sea The Nile The Yangtze River,【开心学习，轻松一刻】 Lets p