2014八年级英语下册unit7课件.ppt

Unit 7 What’s the highest mountain in the world？ Section A;late later - latest; 不规则变化： ;形容词与副词的原级;形容词和副词比较级的用法 ;1.表示两者之间的选择, 可用“Which/Who … + 比较，…or…?”.;4. “比较级+and+比较级”表示“越来越……”;1.比较级 + and +比较级 越来越… 2.the+比较级 , the + 比较级　 越…, 越 … ;1.表示三者或三者以上比较,可用”Which/Who … +最高级,…,…or …?”表示.; ;二、同义句转换; ;1. Complete the chart.;The world’s highest mountain in the world.;Do you know Sahara is the biggest desert in the world?;The world’s deepest salt lake ;the Nile;The second longest river in the world ;The longest river in Asia. ; It’s 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??在表示长宽 高的形容词前;翻译句子 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。;你能写出它的同义句吗 ？ The mountain is 1,500 meters high. ;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.;1c. Use the information in 1b to make conversations.;A: What is the biggest desert in the world? B: Sahara.;A: What is the longest river in the world? B: Nile.;4a. Fill in the blanks with the correct forms of the words in the box.; 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.;e.g. Two rivers：_________________ and _________________ ____________________________________________________ ___________________________________________________________________________;4c. Write five questions using comparisons. Then ask your partner your questions.;______ The Yangtze River is about ________ kilometers long and the Yellow River is __________ kilometers long. ____ China has