课时内容
本课时涉及的是语言知识运用，包括 Present perfect continuous和 Tourism and the environment两部分。Present perfect continuous部分主要内容为现在完成进行时的用法。Tourism and the environment部分介绍了生态旅游的相关信息，并以听、说的方式引导学生聚焦语言的意义和功能，在旅游的同时树立保护环境的意识，提高生态环保意识。 课时目标
1.掌握本课时的重点单词 economy、jungle、disturb、emission、operator、conservationist和短语 for a while、brush off、bat away、pull off、encourage sb to do sth、look after、be concerned about、in particular、in harmony with的用法，并能在真实语境中灵活运用。
2.掌握现在完成进行时的用法。
3.通过听力对话的学习，引导学生掌握说服他人的表达方式，以及在有意见分歧时如何表达折中、妥协，以形成一致的看法。
4.引导学生通过完成听力活动，思考如何在发展经济的同时保护自然环境。 重点难点：
重点：
现在完成进行时的用法。 难点：
1.现在完成进行时的用法。 2.学会该部分单词、短语的用法。 教学准备：
教师准备：
1.准备好该部分内容的PPT和音频材料。
2.准备一些生态旅游的图片或视频资料，加深学生对生态旅游的认识。 学生准备：
1.课前总结概括自己掌握的现在完成进行时的用法。
2.上网查找教材中所涉及的生态旅游的材料，获取更多信息，了解生态旅游
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的影响和作用。
3.预习课本P65~67的内容，找出该部分的新词汇，并根据上下文猜测其含义。
教学过程：
Step Ⅰ Grammar—Present perfect continuous 1. Do Activity 1 on Page 65.
Look at the sentences from the reading passage and answer the questions.
(1) Which of these statements are true about sentence(a)? ① Wild animals started using these passages in the past. ② Wild animals used these passages only once. ③ Wild animals still use these passages now.
(2) What is the difference between the expressions in bold in sentences(a) and (b)? Suggested answers： (1) ①,③ (2) They are different in form and meaning. For sentence(a) the form is“have been doing”, while for sentence (b) the form is“have done”. In meaning, the bold part in sentence(a) means the action is continuous from the past; while the bold part in sentence(b) means the action happened once in the past. 2. Give enough examples and guide students to sum up the usages of present perfect continuous. Then ask students to give examples.
3. Do Activity 2 on Page 65.
Complete the passage with the correct form of the verbs in brackets.
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I①___________(hear) a strange sound for a while. It’s a deep, loud roar, like a lion’s. But there aren’t any lions here... Or are there? Soon I see what②___________ (make) the noise: a howler monkey. Now I feel less worried. Realising that something③___________(move) on my shoulder, I turn my head to look at it. Oh no! It’s a giant spider! I brush it off and it runs under some leaves. I try to bat away the huge insects, which ④___________(fly) around my head in a black cloud for quite a while. I pull off the headset and I’m back in my living room. Thank goodness! I ⑤___________ (give) the latest virtual reality headset and, for the last twenty minutes,I⑥___________ (use) it to explore the Amazon. This is an amazing experience and a reminder of how many species there are in the rain forest. We must do all we can to protect it.
Suggested answers： ① have been hearing ② has been making ③ is moving ④ have been flying ⑤ have been given ⑥ have been using 4. Do Activitie 3 on Page 65.
Look at the charts and make sentences using the present perfect continuous tense.
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Suggested answers： ① The number of trees has been increasing in the last 20 years. ② Desert areas have been reducing in the last 20 years. ③ Butterfly population has been increasing/has been becoming larger and larger in the last 20 years. 5.Do Activity 4 on Page 65.
Work in pairs. Talk about how the environment where you live has changed. Use the present perfect continuous tense where appropriate.
【备注】语法知识点讲解详见第二教案“重点语法精讲”。
【设计意图】这几个活动的设置，既紧扣单元话题，又在具体语境中练习了所学时态知识，锻炼了学生分析问题、解决问题的能力，同时也提升了学生探究问题的能力。
Step Ⅰ Tourism and the environment 1. Read the short passage.
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【设计意图】通过阅读文章，引导学生关注旅游与环境问题，提倡绿色旅游、生态旅游。
2.Do Activity 5 on Page 66.
Listen to the conversation and choose the places mentioned.
Australia
Nepal
Thailand
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South Africa
Suggested answers： b,c 2. Do Activity 6 on Page 66.
(1) Listen again and complete the notes. The first option Rachel wants to ·①____________and plant trees. ·also ②____________rhinos, which will help protect them. ·eat local food. Rachel’s dad thinks ·he can eat that kind of food at home. ·the activities sound like ③____________. The second option Rachel wants to ·look after ④____________. ·sleep in a treehouse. Rachel’s dad wants to ·⑤____________and read a book. Compromise They will stay in ⑥____________. Rachel can do ecotourism activities while her dad does what he likes. They will go on⑦____________of the jungle.
Suggested answers： ① hike in the mountains ② count ③ hard work ④ elephants ⑤ lie on the beach 6 / 11
⑥ a nice hotel ⑦ a one-day bike tour (2) Work in pairs. Discuss what type of travel you prefer. 4. Do Activity 7 on Page 66.
Complete the boxes with the expressions from the conversation. ·The fact is that… ·Wouldn’t you agree that…? ·Let’s find a compromise.
Persuading others
Compromising
·Let’s meet in the middle. ·As a compromise,… ·I agree, but…
Suggested answers： Persuading others The fact is that… Wouldn’t you agree that…? I agree, but... Compromising Let’s find a compromise. Let’s meet in the middle. As a compromise,… 5. Do activity 8 on Page 67.
(1) Complete the passage with the expressions in the box.
not eco-friendly create opportunities for new businesses disturb the wildlife 7 / 11
help the local economy higher carbon emissions provide more Jobs use up natural resources
As tourism develops, people are becoming increasingly concerned about the environment. Here in our city, there is a heated discussion about whether a hotel should be built at White Beach. The owner of the company thinks the hotel would attract more tourists, which will①_______and②_______.However, the local people worry that building the hotel is③_______and will④_______, in particular the turtles which lay their eggs on White Beach. But they also admit that building the hotel will ⑤_______ for people living in the area. Even though the owner of the company guarantees that the design will be in harmony with its beautiful surroundings, the local people are still concerned that the hotel may⑥_______.Increased tourist numbers will also mean more cars and aeroplanes, which in turn means⑦_______. (2) Listen to the passage and check your answers. Suggested answers： ① create opportunities for new businesses ② help the local economy ③ not eco-friendly ④ disturb the wildlife ⑤ provide more jobs ⑥ use up natural resources ⑦ higher carbon emissions 6. Do activity 9 on Page 67.
Complete the boxes with the expressions in Activity 8.
Advantages
Disadvantages
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Suggested answers： Advantages · attracting more tourists · creating opportunities for new businesses · helping the local economy · providing more jobs for people living in the area 补充： · raising awareness of protecting local wildlife · providing locals with a chance to experience other cultures … Disadvantages · not eco-friendly · disturbing the wildlife · using up natural resources · higher carbon emissions 补充： · polluting inshore seawater · destroying local ecological environment … 7. Do Activity 10 on Page 67.
Work in pairs. Role-play a discussion to reach an agreement that is satisfactory for everyone. Use the expressions in this section.
Student A: You are a hotel operator who wants to build a hotel on some forested land.
Student B: You are a conservationist who wants to protect the wildlife there. Step Ⅰ Exercises
Fill in the blanks with the right forms of the words in the brackets. ① She is very tired. She __________(work) all morning. 9 / 11
②Jim __________(phone) Jenny every night for several weeks. ③They __________ (plant) trees this month.
Suggested answers： ① has been working ② has been phoning ③ have been planting 【设计意图】通过练习，引导学生分析句子所表达的时间概念，选用正确的时态，提高学生在真实语境中分析问题、解决问题的能力。
Step IV Summing up
总结现在完成进行时的用法。并注意该部分新学词汇的运用。 Step V Homework
1. Give students some examples to fill in the blanks with the present perfect continuous tense.
2. Master the usages of the new vocabulary. 板书设计：
Unit 6 Nurturing nature Period II Using language I Grammar—Present perfect continuous 1. Do Activity l on Page 65. 2. Give enough examples and guide students to sum up the usages of present perfect continuous. 3. Do Activity 2 on Page 65. 4. Do Activity 3 on Page 65. 5. Do Activity 4 on Page 65. Ⅱ. Tourism and the environment 1. Read the short passage. 2. Do Activity 5 on Page 66. Listen to the conversation and choose the places mentioned. 10 / 11
3. Do Activity 6 on Page 66. (1) Listen and complete the notes. (2) Work in pairs. Discuss what type of travel you prefer. 4. Do Activity 7 on Page 66. Complete the boxes with the expressions from conversation. 5. Do Activity 8 on Page 67. (1) Complete the passage with the expressions in the box. (2) Listen to the passage and check the answers. 6. Do Activity 9 on Page 67. Complete the boxes with the expressions in activity 8. 7. Do Activity 10 on Page 67. Work in pairs. Role-play a discussion to reach an agreement that is satisfactory for everyone. Use the expressions in this section. Ⅲ. Exercises IV. Summing up V. Homework
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