人教版八年级英语下册 Unit7第1课时 教学课件PPT初二公开课

1、Unit 7 Whats the highest mountain in the world?SectionA 1a-2d初中英语 八年级下册 RJNew words: square, meter, deep, desert, population, Asia, tour, tourist, wall, amazing, ancient, protect, wide, man-madeExpressions: feel free, as far as I knowLearning goals3. Sentences:The Yangtze River is about 6,300 kilome

2、ters long.Qomolangma is higher than any other mountain in the world. And China has the biggest population,too.8,848.86 meters highn.平方千米9,600,000 square kilometers in sizen. 米; 公尺1,025 meters deepadj. 深的；纵深的6,671 kilometers longn.大小landsearivermountainWarming upWhat are these descriptions?Do you kno

3、w these places?Qomolangmathe Nilethe Caspian Seathe Sahara珠穆朗玛峰是世界海拔最高的山峰，高度为8848.86米。Qomolangmathe Nile尼罗河长6671千米，是世界上最长的河流。the Caspian Sea里海虽称海，但却是一个巨大的内陆咸水湖。the Sahara撒哈拉沙漠形成于约250万年前，是世界上最大的 沙质荒漠。1a Match the facts you know.QomolangmaAbout 9,600,000 squarekilometers in sizeThe Sahara1,025 meters

4、deepThe Caspian Sea6,671 kilometers longThe Nile8,848.86 meters high大小Language point.1,025 meters deep.(教材 P49 1a)英语中的长、宽、高、深、面积的表达方法(1)基数词 + 单位词 + 形容词（long、wide、 high、deep等)(2)基数词 + 单位词 + in + 名词（length、 width、 height、 depth、size等）The river is 20 meters wide. = The river is 20 meters in width.4. Th

5、e Nile isriver in the world.1b Listen and complete the sentences.1. Qomolangma is h_ig_h_e_rthan any othermountain in the world.2. The Sahara is _t_h_e_b_i_g_g_es_t3. The Caspian Sea is t_h_e_d_e_e_p_e_s_t of all the salt lakes.t_h_e_l_o_n_g_es_tn. 沙漠desert in the world.Boy 1: Qomolangma! Its higher

6、 than any other mountainin the world.Listen and read.Teacher: Yesterday, we learned some important geographical地理事实facts. I hope you all still remember them. Imgoing to test you now by asking a few questions. First, whats the highest mountain in the world?Girl 2: The Caspian Sea is the deepest of al

7、l the salt lakes.Teacher: Youre all so smart! Now, for the last question,Teacher: Thats right. And who can tell me what the Sahara is?Girl 1: The Sahara is the biggest desert in the world.Teacher: Very good. And which is the deepest salt lake in the world?which is the longest river in the world?Boy

8、2: I know! The Nile is the longest river in the world.Boy 1: And the Amazon is the second longest river inthe world.Teacher: It seems that you know the answers to all my questions. Good job!Language pointQomolangma is higher than any other mountain in theworld. (教材 P49 1b)比较级 + than+ any other + 可数名

9、词单数该结构意为“比其他任何一个都”，指在同一 范围内比较，表示最高级含义。She is thinner than any other student in her class.= She is the thinnest student in her class.1c Use the information in 1b to make conversations.Qomolangma.What is the highest mountain in the world?Think of other objects that are high, big, deep or long and desc

10、ribe them.I live in the highest building in the city.We have the biggest field of all the high school in town. Helen has the longest hair in the class.1,0001,02580030,0001,000,66,6719,600,0006,0008, 88854656513GameWhat is the largest/smallest number in the game? Read the missing number quickly.2a Li

11、sten and number the facts 1-4 in the order you hear them.6,3005,0005,464300长江 4_ The Yangtze River is about kilometers longand the Yellow River is kilometers long. 2_ China has the biggest population in the world. Its a lot bigger than the population of the US.1_ China is overyears old. It has a muc

12、hlonger history than the US. The US is not even years old._3China is almost as big as the US, and it is the biggest country in Asia.n. 亚洲The Yangtze River is aboutkilometers longChina is overyears old. It has a muchlonger history than the US. The US is not even6_,_3_0_021and the Yellow River is _5_,

13、4_6_4kilometers long. China has the biggest population in the world. Its a lot bigger than the population of the US.5_,_0_0_042b Listen again and fill in the blanks in 2a with the numbers in the box.6,3005,0005,4643003_0_0years old. 3China is almost as big as the US, and it is the biggest country in

14、 Asia.Listen and read.Mike：Hi, Im Mike. Im from the United States.Boy: Welcome to our class, Mike. Were happy to meet you.Mike：Can you tell me a bit more about China?Girl：Sure! Did you know that China is one of the oldest countries in the world? Its over 5,000 years old.Mike: Yes, I did. Its much ol

15、der than my country infact, the United States is one of the youngest countries in the world. Its not even 300 years old.Boy：And China has the biggest population, too. Its a lot bigger than the population of the United States.Mike：But China is about the same size as the US, right?Girl：Yes, and its th

16、e biggest country in Asia. We also have some famous rivers. The Yangtze River isthe longest river in Asia. Its about 6,300 kilometers long.Mike：Wow! I didnt know that. I thought the Yellow River was longer.Boy：No, the Yellow River is 5,464 kilometers long. But both rivers are very important to China

17、.Language pointsChina has the biggest population in the world. (教材 P50 2a)population/ppjulen/, /ppjulen/ n. 人口；人口数量(1) population 是集体名词，在句中作主语时，谓语动 词用单数形式。The world population continues to increase, but in some areas the population is falling.(2)表示有多少人口时，用“have/has a population of+ 基数词”, 或“the popul

18、ation of is + 基数词”。China has a population of about 1.4 billion.= The population of China is about 1.4 billion.(3)询问人口数量时, 用“What is the population of?”或 “How large is the population of?”。What/How large is the population of Henan Province?(4)表示人口数量的多少时，用 big/large 或 small 修饰， 而不能用 many、much 或 few 等。I

19、ndia has a larger population than America.【特别提醒】表示price（价格）的高低，应用 high 或 low，不能用 expensive 或 cheap；表示 temperature（温 度）的高低，应用 high 或 low，不能用 hot 或 cold。2c Make conversations using the information in 2a.Did you know that China is one of the oldest countries in the world?Yes, I did. Its much older than

20、 my country.Read the conversation in 2d and answer the questions.What is the conversation about?Its about a tour to the Ming Great Wall.How long is the Ming Great Wall? Its about 8,850 kilometers long.What does the guide say about the wall? Its quite tall and wide.Its the longest wall in the world.T

21、here are no man-made objects as big as this.2b Role-play the conversation.tour.Guide: Ah, the most popular question! If were only talking about the parts from the Ming Dynasty, its about 8, 850 kilometers long. This makes it the longest wall in the world.n. & v. 旅行；旅游n. 墙Tourist 1: How long is the w

22、all?n. 旅行者；观光者2d Role-play the conversation.Guide: Feel free to ask me anything on todays Great Wall（表示允许）可以随便做某事Tourist 2: Wow, thats amazing! Why did the ancientfar as I know, there are no other man-made objectsas big as this.emperors build the wall?v. 保护；防护Guide: The main reason was to protect th

23、eir part of theadj. 宽的；宽阔的country. As you can see, its quite tall and wide. As就我所知adj. 人造的adj. 令人惊喜（惊叹）的adj. 古代的；古老的Tourist 3: Is Badaling part of the Ming Great Wall?Guide: Yes, its the most famous part.Language pointsFeel free to ask me anything on todays Great Wall tour.(教材 P50 2d)tour /t/,/tr/ n

24、. & v. 旅行；旅游tour在此处作可数名词，意为 “旅行；旅游”，还可以 作动词，意为“游览；在巡回演出（或做宣传广告 等）”。They went on a tour around Europe last year.We toured Italy for our holiday last year.【拓展】tour (v.) + 后缀-ist tourist (n.) 旅行者；观光者The tourists toured Hong Kong for holidays. They all enjoyed their tour.Wow, thats amazing！ (教材 P50 2d)a

25、mazing /mez/ adj. 令人大为惊奇的；令人惊喜（或 惊叹）的amazing一般用于修饰事物，amazed“吃惊的，惊奇的”常用于修饰人。 be amazed at 意为“对感到惊讶”。The amazing magic show made me feel so amazed.Im amazed at his rapid progress.【拓展】类似的以 -ing（令人的）和-ed（感到的）词缀结尾的形容词：interesting/interested surprising/surprised relaxing/relaxed moving/movedtiring/tired,

26、boring/bored, exciting/exited3. The main reason was to protect their part of the country. (教材 P50 2d)protect /prtekt/ v. 保护；防护protect在此处作及物动词, protectagainst/from“保 护免于”。protection作不可数名词，意为 “保护；防卫”。There are lots of things we can do to protect the environment?He wears sunglasses to protect his eyes

27、against/from strong sunlight.Its parents duty to provide protection for their children.Fill in the blanks according to 2d.Guide:Feel free to ask me anything on todays Great Wall tour.Tourist 1:How long is the wall?Guide:Ah, the most popular question! If were only talking about the parts from the Min

28、g Dynasty, its about 8, 850 kilometers long. This_ma_k_es_ it the longest wall in the world.,its quite tall and wide.Tourist 2: Wow, thats amazing! Why did the ancient emperors build the wall?Guide:The main reasonwas to protect their part of thecountry. As you can seeAs far as I know , there are no

29、other man-made objects as big as this.Tourist 3: Is Badaling part ofthe Ming Great Wall?Guide: Yes, its the most famous part.A.How many; 1,400 million C.What; 140 millionB.What; 1,400 million D.How many; 140 million2.(2021泰安中考改编) This is my chance to learn about theproblems sea turtles face and be a

30、 voice for these animals.A. secretB. directC. amazingD. traditional1. Bis the population of China now, Jack? Let me think for a moment; it is about.Exercises一、单项选择CA. As well asC. As soon asB. As often asD. As far asA. 180 kilometer longC. 180-kilometer-longB. 180 kilometers longD. 180-kilometers-lo

31、ng3. DI know, more and more people in the world are learning Chinese.4.(2021连云港中考)The C Lianyungang-Xuzhou High-speed Railway was open to the public this year.A. more beautifulC. beautifulB. the most beautifulD. much beautiful5.The girl is Athan any other girl in her class.6.(2021山西中考) To Bour eyesight, wed better relax for a while after reading for a l