八年级英语下册第七单元第一课时课件.ppt

1、Unit 7,Unit 7 Whats the highest mountain in the world？ Section A(1a-2d),The second longest river in the world,-Do you know its name? -It is Amazon. -Do you know how long it is? -Its about 6,500 kilometers long.,The worlds highest mountain in the world.,Do you know how high it is?,It is 8,844 meters

2、high.,Qomolangma,Do you know Sahara is the biggest desert in the world?,Yes, it is about 9,600,000 square kilometers in size.,Sahara,size n. 1. 大小CU Whats the size of the park? 2. 尺码,号C This shirt is your size.,The worlds deepest salt lake,The Caspian Sea,Do you know that how deep the worlds deepest

3、 Salt lake?,Yes, it is 1,025 meters deep.,The longest river in Asia.,The Yangtze River,Do you know that the Yangtze River is the longest river in Asia?,Yes, it is 6,300 kilometers long.,Its 8,844 meters high. 它有8,844米高。 It is meters high (long, wide). 它米高（长,宽)。 “有多长（宽，高）”时， 将数词和数量单位放在表示长宽 高的形容词前,翻译句

4、子 1.这张桌子两米长，一米宽。 2.这座山有1500米高。 3.这栋楼120米高。 4.这本字典有五厘米厚。 5.这个湖有多深？ 1025米深。,The table is two meters long and one meter wide.,The mountain is 1,500 meters high.,The building is 120 meters tall.,The dictionary is five centimeters thick.,How deep is the lake? Its 1,o25 meters deep.,1 Feel free to ask me

5、anything on todays Great Wall tour. 在今天的长城游中，大家尽管随意问我任何问题。 feel free to do sth 随意做某事 Can I use your bathroom? Yes, feel free. 2 ancient adj.古代的 古老的 My grandmother often tells me old ancient stories.,3 protect v.保护 Sunglasses are used for protecting our eyes in the sun. 4 As far as I know, there are

6、no man-made objects as big as this. 据我所知，再没有像它这样在的人造物体了。 as far as I know 据我所知 As far as I know , Tom has a twin sister.,Unit 7 Whats the highest mountain in the world?,Which is the highest mountain in the world? Which is the longest river in Asia? ,Revision,freezing adj. 极冷的； 冰冻的,nature n. 大自然,thic

7、k adj. 厚的；浓的,New words,1. achievement n. 成就；成绩 e.g. We felt a great sense of achievement when we reached the top of the mountain. 当我们到达山顶的时候，我们有一种巨 大的成就感。 2. achieve v. 达到；完成；成功 e.g. He will never achieve anything if he doesnt work harder. 如果他不加紧努力工作，他会一事无成。,Learn more new words.,3. southwestern adj

8、. 西南的；西南方向的 e.g. Is this Southwestern Airline? 这是西南航空公司吗？ 4. include v. 包含；包括 e.g. Her hobbies include swimming and gardening. 她爱好游泳和园艺。 5. condition n. 条件；状况 e.g. The piano was in good condition. 这台钢琴状况良好。,6. take in 吸入；容纳 e.g. Fish take in oxygen through their gills. 鱼用鳃吸氧气。 7. succeed v. 实现目标；成功

9、e.g. If you try hard youll succeed. 你如果努力就会成功。 常用短语：succeed in doing sth. e.g. Police have finally succeeded in solving the mystery. 警察最终成功破解了这个疑案。,8. challenge v. & n. 挑战；考验 e.g. The job doesnt really challenge him. 这项工作不能真正的考验他。 The new governments first challenge is the economy. 新政府面临的第一个挑战是经济问题。

10、 9. in the face of 面对（困难、问题等） e.g. In the face of difficulties, hes completely unafraid. 他在困难面前毫不胆怯。,10. force n. 力；力量 e.g. The thief took the money from the old man by force. 窃贼用暴力抢了老人的钱。,One of the worlds most dangerous sports is mountain climbing, “one of + the + 形容词的最高级 + 复数名词”，意为“最之一”。如： Miss W

11、ang is one of the most popular teachers in our school. 王老师是我们学校最受欢迎的老师之一。,Language points,2. It is also very hard to take in air as you get near the top. It is + adj. + to do sth.， it作形式主语 放在句首，而把真正的主语放在句 尾。常用于此句型的形容词有 important， difficult， dangerous， necessary， useful， possible等，用 来对to do sth. 进行说明

12、。此句型可以 转换成To do sth. is + adj.。,3. Even more serious difficulties include freezing weather conditions and heavy storms. difficulty 既可作可数名词也可作不可 数名词。,e.g. It is important to study English well. 学好英语很困难。 Its very difficult to climb Qomolangma. 攀登珠穆朗玛峰很难。,作可数名词时通常用复数，表示具体概 念，即：各式各样的 “困难，难题，难 事”，如： Hes

13、having financial difficulties. 他正手头拮据。 作不可数名词时，译作“困难，艰难，幸 苦”，如： She had great difficulty in understanding him. 她很难理解他说的话。,4. The spirit of these climbers shows us that we should never give up trying to achieve our dreams. give up 意为“放弃”，后面可以接名词、代词或v-ing形式作宾语。 注意：如果其宾语是名词，那么名词可 以放在 give 和 up 之间，也可以放在

14、 up 之后；如果其宾语是代词，那么代词只 能放在 give 和 up 之间。如：,My uncle wants to give up drinking wine. 我叔叔想戒酒。 Although English isnt easy to learn, I wont give it up. 虽然英语不易学，但我不会放弃。,5. Why do so many people try to climb this mountain even though it is dangerous? even though 用作从属连词，意为“即使； 尽管”，相当于even if，引导让步状语从 句，一般不与并

15、列连词but连用。如： Mr. Wang will come on time even though it rains. 尽管下雨，但王老师会按时来。,The Yellow River is long. The Yangtze River is a lot _ than the Yellow River. The Nile is _ of all.,longer,the longest,Make sentences using the information in the forms.,Exercise,The Yangtze River is not _ long _ the Nile. =

16、 The Yangtze River is not _ than the Nile.,as as,longer,Mount Tai is high. Mount Huang is a little _ than Mount Tai. Qomolangma is _ of all.,Mount Tai is not _ high _ Qomolangma. = Mount Tai is not _ than Qomolangma.,higher,the highest,as as,higher,1. The population of Singapore is large. 2. The population of Malaysia is much _ than that of Singapore. 3