8年级下册英语人教版Unit 7 What's the highest mountain in the world? Section A 学案（无答案）

Unit 7 What’s the highest mountain in the world
Name Group Class
Period 1
Section A 1a-2d
【Topic】
Facts about the world
【Get ready before class】
温故知新
We have learned how to compare things.我们学过如何比较事物，让我们一起回忆一下吧。
根据下列两组图及提示词完成句子。
A (high) B elephant (heavy) horse monkey
Mountain A is , but mountain B is than Mountain A.
Horse is than monkey, and elephant is much than horse.
Elephant is of the three.
写出下列单词的比较级和最高级。
long big old
beautiful popular
good many\much little
新知探究
一、Listen and read the new words. 预习生词，摘抄并翻译单词所在的句子。
deep: ( )
( )
population: ( )
( )
as far as I know: ( )
( )
二、Look at the picture, try to finish 1a, and try to answer the following questions:
1. How high is the Qomolangma
2. How long is the Nile
3. How big is the Sahara
三、词海拾贝 Read the dialogues 1c and 2d, then try to find out the following phrases:
1.随意（做某事）
2.长城之旅
3.古代皇帝
4. 据我所知
1.珠穆朗玛峰，喜马拉雅山脉主峰，位于中华人民共和国 西藏 和 尼泊尔交界处。山体呈 巨型金字塔状，由结晶岩系构成。海拔8848.13米（最新海拔数据8844.43米），并以3.7厘米/年的速度增高。为世界第一高峰，有世界屋脊之称。
2.撒哈拉沙漠位于非洲大陆北部，是世界上面积最大的沙漠。它西起大西洋沿岸，向东经阿尔及利亚、利比亚、埃及等国到达红海之滨，东西长5600多千米，南北宽2000千米，面积为910万千米2，是我国最大的沙漠新疆塔克拉玛干沙漠的20倍。
尼罗河(Nile)是世界第一长河，源于非洲东北部布隆迪高原，流经卢旺达、布隆迪、坦桑尼亚、肯尼亚、乌干达、扎伊尔、苏丹、埃塞俄比亚和埃及等9个国家，全长6600多公里。最终注入地中海，是世界上流经国家最多的国际性河流之一。
里海（Caspian Sea）——世界最大的咸水湖，位于亚欧大陆腹部，亚洲与欧洲之间，东、北、西三面湖岸分属土库曼斯坦共和国、哈萨克斯坦共和国、俄罗斯联邦共和国和阿塞拜疆共和国，南岸在伊朗境内，是世界上最大的湖泊，也是世界上最大的咸水湖，属海迹湖。
【Enjoy in class】
Feedback for the preparation .（词汇识记的反馈与检测）
1. The lake is 2,089 meters_________________.
2. It’s dangerous to walk across the_____________.
3. Some of the world’s highest mountains are in ________________.
4. Our playground is about 2,000 ____________ meters in size.
5. The city has a _______________ of ten million.
Listening &.Practice
1. Finish 1b &.1c. Complete the conversation.
A: What is _________ ____________mountain ______ the world
The Caspian Sea
B: Qomolangma! It’s ________than any other mountain in the world.
A: _________ is ______ _______ salt lake in the world
B: The Caspian See is ______ ________ _______ all the salt lakes.
2. Finish 2a &.2b. Fill in the blanks.
1) Did you know that China is one of_____ ________ countries in the world It’s over 5,000 years old.
2) China _____ ____ _______ _____________, too. It’s a lot bigger _______ the population of the United States.
3) The Yangtze River is ______ _________ river in Asia.
Group-work--2c,2d
Read the conversation in 2d and answer the questions朗读2d回答问题：
1. Which is the biggest man-made objects in the world？
2. Which is the most famous part of the Ming Great Wall