Unit 7 What’s the highest mountain in the world?To learn to use comparatives and superlatives with adjectives and adverbsTo learn new words: the Pacific Ocean…Can you translate the following sentences?长江大约长 6,300 千米。The Yangtze River is about 6,300 kilometers long.Can you translate the following sentences?黄河长 5,464 千米。The Yellow River is 5,464 kilometers long.Can you translate the following sentences?明朝的长城大约有 8,850 千米长。The Great Wall in Ming dynasty is about 8,850 kilometers long.Can you translate the following sentences?珠穆朗玛峰高 8,844.43 米,所以攀登起来很危险。Qomolangma is 8,844.43 meters high and so is very dangerous to climb.以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解,下面就让我们根据之前练习的考察情况进一步选择讲解该语法项的重难点。长度、宽度、高度、深度的表示法那面镜子有两米长。The mirror is two meters long.长度、宽度、高度、深度的表示法,有一个专门的结构,那就是“基数词 + 单位词 + 形容词”Practise1) 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.5) What’s __________ mountain in the world?Fill in the blanks.higherthe biggestthe deepestthe longestthe highestgo Ready?6) China has _________ population in the world. 7) It’s a lot ______ than the population of the US.8) China is over 5000 years old. It has a _____ ______ history than the US. 9) China is almost as ___ as the US, and it is the _______ country in Asia.the biggestbiggermuch longerbigbiggest10) --Did you know that China is one of ________ countries in the world? -- Yes, I did. It’s _____ ____ than my country.11) This makes it __________ wall in the world.the oldestmuc...