(
课件网) Wai Unit 6 Nurturing Nature 外研版（2019）选择性必修第一册 By the end of the class, we will be able to: 1. summarize the usage of the present perfect continuous tense, and apply it in specific context; 2. listen to the materials, and learn how to persuade others and make a compromise. 3. compare the advantages and disadvantages and talk about how to make a balance between protecting the environment while developing tourism. Q1. 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. What is the difference between the expressions in bold(粗体字) in sentences (a) and (b) Form State of the action Focus started ended have been using have reached in the past in the past No Yes result or effect process or duration have/has been doing have/has done 现在完成进行时(have/has been doing)：表示一个动作开始于过去，一直持续到现在，往往现在正在进行，强调动作的延续性。 现在完成时(have/has done)：表示过去发生或已经完成的某一动作对现在产生影响，强调动作的结果。 高考链接： 1) (2022全国甲) In the last five years, Cao _____ (walk) through 34 countries in six continents, and in 2016, he reached the top of Kilimanjaro, Africa's highest mountain. 2) I have to see the doctor because I _____ (cough) a lot lately. 3) (2023北京) Up to now, China _____ (establish) a number of protected areas with mangroves. 4) Beause she is out of work, Lucy _____ (consider) going back to school, but she hasn't decided yet. has walked has established has been considering have been coughing The wooded areas have been increasing in the last 20 years. Desert areas have been reducing in the last 20 years. Butterfly population has been increasing in the last 20 years. Tourism and the environment ecotourism traditional travel Ecotourism is a type of tourism that conserves the environment. It encourages people to be responsible travellers and involves educating them about the natural world. For countries such as Costa Rica, Kenya and Nepal, ecotourism is an important part of the economy. Some ecotourism holidays involve voluntary work, such as planting trees or counting endangered animals. ecotourism Persuading others Compromising create opportunities for new businesses help the local economy not eco-friendly disturb the wildlife provide more jobs use up natural resources higher carbon emissions not eco-friendly create opportunities for new businesses disturb the wildlife help the local economy higher carbon emissions provide more jobs use up natural resources White Beach Tourism and the environment attracting more tourists creating opportunities for new businesses helping the local economy providing more jobs for people living in the area not eco-friendly disturbing the wildlife using up natural resources higher carbon emissions Building a hotel or not Tourism and the en ... ...
