(
课件网) Unit 7 What’s the highest mountain in the world Section A Grammar focus 4a-4c 年 级：八年级 学 科：初中英语（人教版） Learning Objectives By the end of the class, you will be able to use large numbers to describe the height, the depth, the length and the size of the facts. use comparatives and superlatives to describe geography and nature. One of the world’s most dangerous sports is mountain climbing, and one of the most popular places for this is the Himalayas. The Himalayas run along the southwestern part of China. Of all the mountains, Qomolangma rises the highest and is the most famous. It is 8,848.86 meters high and so is very dangerous to climb. Thick clouds cover the top and snow can fall very hard. Even more serious difficulties include freezing weather conditions and heavy storms. It is also very hard to take in air as you get near the top. Let’s review Q1: What is one of the world’s most dangerous sports Let’s review Q2: What is the highest mountain in the world Q3: How high is it Mountain climbing is one of the world’s most dangerous sports. Qomolangma is the highest mountain in the world. Qomolangma is higher than any other mountain. It’s 8848.86 meters high. It’s eight thousand, eight hundred and forty-eight, point eight six meters high. Let’s talk The Sahara the biggest desert The Nile the longest river 6,671 kilometers long the highest mountain Qomolangma 8,848.86 meters high The top of the world the longest wall The Ming Great Wall about 8,850 kilometers long the deepest salt lake about 1,025 meters deep The Caspian Sea about 9,600,000 square kilometers in size The deepest salt lake in the world is called the Caspian Sea. It’s about 1,025 meters deep. It’s deeper than any other salt lake. In fact, it’s not a sea, it’s just a salt lake. The Caspian Sea is also the largest salt lake in the world. It’s about 317,000 square kilometers in size. It’s so beautiful and peaceful. The color changes from north to south, because the northern part is just about 5 meters deep, while the southern end is more than 1,000 meters deep. Let’s read Let’s conclude 归纳一：如何表达物体的长度、高度、深度 主语+be+基数词(hundred/thousand/million…)+度量词(meters/kilometers)+形容词(long/high/deep…) The is 2 . e.g. The basketball player is 2 meters tall. The river is about 2 meters long/deep. The mountain is about 2 kilometers high. Let’s conclude 归纳二：如何表达物体的面积大小 主语+be+基数词(hundred/thousand/million…)+square+度量词(meters/kilometers)+in size e.g. 我的卧室大约有20平方米。 My bedroom is about 20 square meters in size. 中国的面积大约是960万平方千米。 China is about 9,600,000 square kilometers in size. Let’s conclude 归纳三：形容词、副词的比较级和最高级 1. 形容词、副词的原级 主+谓+(not)as+原级+as e.g. 你和我一样高。 You are as tall as me. Lily没有Lucy瘦。 Lily is not as thin as Lucy. 世界上没有一个海洋像太平洋那么大。 No ocean in the world is as big as the Pac ... ...
