1、Unit 7 Whats the highest mountain in the world?课时4Section B(1a-1d)课时教学目标1. 积累比较二者体形等的英语表达。2. 通过比较认识野生动物，提高保护野生动物、热爱大自然的意识。教学重点：1.Key vocabulary:cm, weigh,birth, adult.stand on two legs, a kilo of, live up to, many times, or so, walk into, fall over,at birth, up to2.Key sentences:a. At birth, a baby
2、panda is about 0.1 to 0.2 kilos. b. A panda can live up to 20 to 30 years.c. An adult panda weighs many times more than a baby panda.3.Structurea. two kilos of . b. more times than.教学难点：Learn to listen to the comparative and superlative carefully. 教学过程Step 1 Lead-in1. Play a video about wild animals
3、.2. Call students attention to the expression of numbers and comparison in the video.Step 2 Work on 1a1. Let students look at the pictures in 1a and the numbers under the pictures. Ask them to add more information according to their knowledge.2. Let them compare the panda and the elephant.3. Let the
4、m describe elephants and pandas using some simple sentences.Textbook Answers Answers will vary. Suggested answers:This panda is 200 cm shorter than this elephant.This elephant eats much more than this panda.Key points（针对训练习题见上课课件PPT）1. cm (centimeter/ centimetre) n. 厘米2. weigh v. 重量是； 称的重量 weigh on
5、加重的思想负担；使焦虑不安。对重量提问用“How much does/do.weigh?” 或“How heavy is/are.?”【拓展】weight n. 重量，分量；put on/gain weight 增加体重；lose weight 减肥；the weight of. 的重量3. standing on two legs 用两条腿站立；stand v. 站立；stand up 站起，站立，起立4. many times more than. 比 多很多倍；many times/ 基数词+times /twice more than. 比多倍；many times/ 基数词+time
6、s /twice less than. 比少倍Step 3 Listening (1b)1. Play the recording for students to listen and check the numbers they hear.2. Check the answers.Textbook Answers Checked: (top row) 100, 20; (bottom row) 0.1, 0.2, 150Step 4 Listening (1c)1. Let students listen again and complete the sentences in 1c.2. A
7、sk students to read the sentences in 1c after checking the answers.3. Let students summarize the rules of reading numbers.Textbook Answers 1. 0.1; 0.2 2. 15 3. pink; teeth 4. 20; 30Key points（针对训练习题见上课课件PPT）1. at birth 出生时 birth n. 出生, 诞生；give birth 生孩子；date of birth 出生日期2. baby panda 熊猫幼崽【拓展】adult
8、panda 成年熊猫3. up to 到达( 某数量、程度等)；至多有；不多于Step 5 Conversation (1d)1. Ask students to make conversations according to the conversation in the box.2. Ask students to act out their own conversations.3. Ask them to write a short profile of another kind of animal, comparing its baby and adult period.教学效果评价通过对比大象和大熊猫，学生对它们的具体数据有了更加充分的了解，掌握了倍数比较的表达和动物体形的描述，更加想要亲近大自然、更加想要保护大自然。作业完成点拨训练UNIT 7 课时4 Section B (1a1d) 的练习。教学笔记_3
