Unit 7 What’s the highest mountain in the world?
教学目标：
1语言目标：掌握本单元重点词汇及能用比较级和最高级谈论各之最。 2 技能目标：能听懂和谈论有关地理和自然的话题。 3 情感目标：培养学生热爱大自然，保护环境的意识。 教学重点：
短语: in size, in the world, 2 meters tall/long/wide, the biggest population, one of the
biggest, the most popular question, talk about, the ancient emperors, the main reason, as far as I know, no man-made objects, mountain climbing, the southwestern part of China, thick clouds, cover the top, risk one’s life, challenge oneself, achieve one’s dream，the forest of nature, try to do sth., the spirit of the climbers, many times more than ,live up to, prepare …for.., be awake, be special to sb., spend some time doing sth., in the remaining forest, endangered animals, in the future… 句子:
What’s the highest mountain in the world? Qomolangma.
How long is Qomolangma?
It’s 8,844.43 meters high. It’s higher than any other mountain. Which is the deepest salt lake in the world? The Caspian Sea is the deepest of all the salt lake.
Did you know that China is one of the oldest countries in the world? Yes, I did. It’s much older than the US.
教学难点：形容词和副词的比较级和最高级变化规则和用法。 物体之间的对比。 课时划分：
Period 1 Section A 1 1a – 2d Period 2 Section A 2 3a-3c
Period 3 Section A 3 Grammar Focus-4c
Period 4 Section B 1 1a-2e Period 5 Section B 2 3a-Self check
Section A 1 (1a – 2d)
Step 1 Presentation
square n. 平方 meter n. 米 deep adj. 深的 desert n. 沙漠 population n. 人口 population n. 人口 Asia n. 亚洲 tour v. n. 旅行 tourist n. 旅行者 wall n. 墙 amazing adj. 令人大为惊奇的
ancient adj. 古代的 wide adj. 宽的；宽阔和 Step 2 Warming-up
1. Watch the photos and talk about them “How big/high/long/big is …?’ and help the students to answer: It’s …meters/kilometers/cm big/high/long/big. 2. Look these photos and practice the dialogue: e.g. A: How high is Qomolangma?
B: It’s 8,844 meters high.
Step 3 1a Match the facts you know. Practice in pairs using the information in 1a. Qomolangma The Sahara The Caspian Sea The Nile about 9,600,000 square kilometers in size 1,025 meters deep 6,671 kilometers long 8,844.43 meters high Step 4 Explaination
…8,844 meters high. 8,844米高 … meters high (long, wide…)
……米高（长,宽……)。
英语表示“有多长（宽，高……）”时，一般将数词和数量单位放在表示长宽高的形容词前作状语。
e.g. The wall is 1.7 metres wide. Step 5 Listening
1. 1b 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.
2. 2a Listen and number the facts(1- 4) in the order you hear them. 2b Listen again and fill in the blanks in 2a with the numbers in the box.
6,300 5,000 5,464 300
___ The Yangtze River is about ____ kilometers long and the Yellow River is ___ kilometers long.
___ China has the biggest population in the world. It’s a lot bigger than the population of the US.
___ China is over ___ years old. It has a much longer history than the US. The US is not even ___ years old.
___ China is almost as big as the US, but it is the biggest country in Asia. Step 6 Practice
1c Make conversations in pairs. Examples
A: Did you know that China if one of the oldest countries in the world? B: Yes, I did. It’s much older than my country.
Step 7 2d Read the conversation and answer the questions: 1) Which is the biggest man-made objects in the world？ 2) Which is the most famous part of the Ming Great Wall? Step 8 Language points and summary
1. Fell free to ask me anything on today’s Great Wall tour.
在今天的长城游中，大家尽管问我任何问题，不要拘束。
fell free是英语口语中一个常用表达。若有人让你feel free to do something, 就是让你无需拘束，只管按照自己的意愿去做某事。
e.g. A: Can I use your bathroom? 我可以用一下你的卫生间吗？ B: Yes, feel free. 可以，请随意。
2. As far as I know, there are no man-made objects as big as this. 据我所知，再没有像它这样大的人造物体了。
as far as I know是一个固定的表达方式，还可以说so far as I know, 意思是“据我所知”。
e.g. As far as I know, Jack’s got twin sisters. 就我所知，杰克有一对孪生姐妹。 They’re not coming today, so far as I know. 他们今天不来了– 就我所知是这样的。 Step 9 Homework
A: To memorize the important phrases and sentences.
B: to make some dialogues about asking the size of objects.
Section A 2 (3a – 3c)
Step 1 Revision
Look at the photos. Answer the following questions. Which is the highest mountain in the world? Which is the longest river in Asia? … Step 2 Learn the new words. 1. achievement n. 成就；成绩
e.g. We felt a great sense of achievement when we reached the top of the mountain. 当我们到达山顶的时候，我们有一种巨大的成就感。 2. achieve v. 达到；完成；成功
e.g. He will never achieve anything if he doesn’t work harder. 如果他不加紧努力工作，他会一事无成。