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Unit 7 What’s the highest mountain in the world
Section B（3a-Self Check）
Teaching Aims 1.语言能力：复习形容词和副词的比较级和最高级的用法。 2.文化意识： 树立保护动物的意识。 3.思维品质：能用英语就大自然话题展开讨论。 4.学习能力：培养学生的阅读和写作能力。
Teaching Difficulties 如何利用所学词汇和句型写保护鲸鱼的海报。
Teaching Aids multimedia courseware or other realia that the T needs for teaching
Teaching Procedures Tips
Step 1 Warming up
Show a picture on PPT P5, then ask the Ss the following questions: According to the following description, Can you guess what the animal is They are huge animals. They live in the sea. They can sing songs. They can jump high out of water. They are very clever and also very friendly. What are they Answers:They are whales. Ask the Ss to watch a video about whales. Introduce related knowledge to the Ss. 鲸的体型是世界上存在的动物中最大的，鲸是终生生活在水中的哺乳动物，对水的依赖程度很大，以至于它们一旦离开了水便无法生活，鲸形状像鱼，鼻孔在头的上部，用肺呼吸。体长可达三十米，是现在世界上最大的动物。 鲸为适应水中生活，减少阻力，它们的后肢消失，前肢变成划水的浆板。身体成为流线型，酷似鱼。因而它们的潜水能力很强，小型齿鲸可潜至100-300米的水深处，停留4-5分钟，长须鲸可在水下300-500米处待上1小时，最大的齿鲸--抹香鲸能潜至千米以下，并在水中持续2小时之久。 Brainstorm Can you say anything else about whales
Step 2 Presentation &writing
Pre-writing 3a Read the following words and phrases about whales. Put them in the correct place in the chart. Humans catch whales for meat, fat and oil Eat small fish and other sea life Jump high out of the water Rules on whale protection Huge Water pollution Live in the sea Some kinds have teeth Learn more about whales Stop putting rubbish into the sea Sing songs Whale parts sold to make things like candles and soap
Explain the key words in the form. What do they look like · Huge · Some kinds have teethWhere do they live In the seaWhat do they eat · Small fish and other sea lifeWhat can they do · Jump high out of the water · Sing songsWhy do some of them have to be protected · Humans catch whales for meat, fat and oil · Water pollution · Whale parts sold to make things like candles and soapHow can we protect them · Rules on whale protection · Learn more about whales · Stop putting rubbish into the sea
3b Write a paragraph about whales and why they need to be protected. Use the information in 3a. Then make a poster. Whales are … They live in … They eat … They can … One interesting fact is … Another interesting fact is … Some kinds of whales are in danger because … We should protect whales from … I think people should / shouldn’t … Writing guide Sample Whales are huge animals. They live in the sea and eat small fish and other sea life. One interesting fact is whales can jump high out of water. Some kinds of whales are in danger because humans catch them for meat, fat, and oil, and use whale parts to make candles and soap. Whales are also in danger from water pollution. We should protect whales by making rules on whale protection and by not putting rubbish into the sea. I think people should learn more about whales. Samples
Step 3 Self Check
Exercise 1 Ask the Ss to complete the chart. AdjectivesComparativesSuperlativeshighhigherhighestdangerousmore dangerous most dangerouslonglongerlongestpopularmore popular most popular
Exercise 2 Ask the Ss to match verbs and objects. Then add one more object to each list. VerbsObjects1. reacha. my life, my money, ______________ 2. achieveb. the top of a mountain, the library, ____________________________3. riskc. my dream, success, ______________
Answer: my health/ the theater/ good results Exercise 3 Ask the Ss to circle the correct word and/or fill in the blank with the correct form of the word in brackets for each sentence. 1. An elephant weighs (few / many) times more than a dog. 2. An adult panda can eat (much / a little) more than a cat. 3. Canada is a (little / lot) less ________(crowded) than China. 4. A tiger is (much / a little) ________(strong) than a man. Answer:3.crowded 4.stronger
Step 4 Summary & Homework
Exercises Ask Ss to do the exercises from PPT P21 to P25. Summary Revision 形容词副词的比较级和最高级 Topic Facts on whales and dangers they face Writing 学习写“保护动物”类型文章 体裁：说明文 时态：一般现在时为主 人称：第三人称为主 Homework Do the exercises in students’ book. Remember the words, expressions and sentences in this unit. Preview Unit 8 Section A (1a-1c).
Teaching Reflection In the last period of this unit, writing practice is the most important. We can use the notes in 3a and the questions in 3b to teach the students how to write a paragraph. Meanwhile, we can guide them to write by using PPT. After writing, the students can correct and polish what they write together and tell which is the best.

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