(
课件网) Unit 7 What's the highest mountain in the world Section A (1a~2d) Let’s watch a video and answer the question. What is the longest and the second longest river in China 能说出并正确运用本课时的重点单词和短语： square, meter, deep, desert, population, feel free, as far as I know, man-made等。 1 2 3 能掌握形容词比较级、最高级的常见句型。 能使用形容词的比较级和最高级谈论地理和自然现象。 Activity 1 目标一:能掌握形容词比较级、最高级的常见句型 Do you know these places Qomolangma Qomolangma runs along the border between China and Nepal. It is covered with snow all the year round. It’s 8844.43 meters high, the highest mountain in the world. the Nile The Nile is the longest river in the world. It’s more than 6600 kilometers long. It runs through 9 countries and runs into the Mediterranean Sea (地中海) in the end. 珠穆朗玛峰 尼罗河 the Caspian Sea The Caspian Sea is the deepest salt lake in the world. It's 1,025 meters deep. It lies in the border between Asia and Europe. the Sahara The Sahara is the biggest desert in the world. It's about 9,600,000 square kilometers in size. It is located in the northern Africa. 里海 撒哈拉沙漠 Match the facts you know. 1a 想一想：1.怎么读上面的数字？ 2.如何用英语表达某物的长度，高度，深度和面积等 Qomolangma about 9,600,000 square kilometers in size The Sahara 1,025 meters deep The Caspian Sea 6,671 kilometers long The Nile 8,844.43 meters high 总结归纳： 先从右往左数，每三位数加一个逗号（即以此把数目分为若干段）。第一个逗号前的数为 thousand（千），第二个逗号前的数为 million（百万），第三个逗号前的数为billion（十亿）。 9,987,654,321 million billion thousand nine billion, nine hundred and eighty-seven million, six hundred and fifty-four thousand, three hundred and twenty-one hundred 解读：从右往左，第一个逗号前读thousand；向左再推三位，第二个逗号前读million；第三个逗号前读billion。 千位以上基数词的表达法 6,671 kilometers long about 9,600,000 square kilometers in size 1,025 meters deep 8,844.43 meters high Read following numbers to your partner then let’s check. (six thousand six hundred and seventy-one) (nine million six hundred thousand) (one thousand and twenty-five) (eight thousand eight hundred and forty-four point four three) 长度，宽度，高度，深度的表示方法 英语中，表示长、宽、高等时，主要有两种表达方式： ① 基数词＋单位词十形容词（long, wide, high, deep等） ② 基数词十单位词＋in＋名词（ length, width, height, depth, size等） 单位词有 meter, foot, kilogram等。 “这个箱子重10公斤”，可说: The box is 10 kilograms 或The box is 10 kilos in weight，但习惯上不说 The box is 10 kilograms heavy。 1b Activity 2 Listen and complete the sentences. 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. higher the biggest the deepest the longest “形容词的比较级 + than any other +单数名词 ” 表示“比其他任何一个……都……” ... ...
