1、雅思机经听力试题-关于环境的演讲及答案解析(总分：22.00，做题时间：120 分钟)一、演讲的类型(总题数：1，分数：2.00)Listen to the conversation and choose the right answers. （分数：2.00）(1).What are the features of multimedia lectures?（分数：1.00）A.much informationB.lecturer-centredC.flexible structureD.well organizedE.little or no preparation needed(2).Ac
2、cording to the conversation, which statements are true? （分数：1.00）A.Ailie will choose to give a participatory lecture.B.Ailie has no courage to challenge difficult things.C.Ailies lecture must not surpass 40 minutes.D.The professors lectures often make audiences sleepy.E.The professor has many experi
3、ences giving lecture.二、演讲的形式(总题数：1，分数：3.00)Listen to the conversation and circle the appropriate letter.（分数：3.00）(1).Whats the advantage of slide presentation?（分数：1.00）A.time-costingB.increase attentivenessC.interesting(2).Which of the rules about slides preparation is right? （分数：1.00）A.A make compl
4、ex slidesB.simplify slides as possible as you canC.cover all the details in slides(3).The students lecture mode will be _ .（分数：1.00）A.oral presentation and discussionB.slide presentation and question-answer formatC.slide presentation and group discussion三、演讲的主题(总题数：1，分数：4.00)Listen to the conversati
5、on and complete the following sentences with NO MORE THAN TWO WORDS.（分数：4.00）(1).Ailies lecture focuses on 1 .（分数：1.00）填空项 1:_(2).Reading 1 can help Ailie find out an attractive topic.（分数：1.00）填空项 1:_(3).Articles, books and the 1 are sources of the knowledge on a lecture topic. （分数：1.00）填空项 1:_(4).I
6、ts important to vary your 1 and use different information when deliver a lecture. （分数：1.00）填空项 1:_四、化石燃料的使用及其优缺点(总题数：1，分数：3.00)Listen to the statement and circle the appropriate letter. （分数：3.00）(1).According to the statement, the energy from fossil fuels takes up _ of U.S.s total energy. （分数：1.00）A
7、.85%B.99%C.90%(2).Except diesel, most cars run on _ .（分数：1.00）A.oilB.gasolineC.natural gas(3).Which is not the disadvantage of use of fossil fuels?（分数：1.00）A.high costB.greenhouse gas emissionC.burning fast五、电动车的使用及其优缺点(总题数：1，分数：4.00)Listen to the statement and complete the notes below. Use up to tw
8、o words. （分数：4.00）填空项 1:_填空项 1:_填空项 1:_填空项 1:_六、保护环境的方法(总题数：1，分数：6.00)Listen to the conversation and match each protection target with the right method. Arainforests Bthe ozone layer Cglobal climate Dsoil and water（分数：6.00）(1).develop a better engine design（分数：1.00）A.B.C.D.(2).choose fridges without
9、 CFCs（分数：1.00）A.B.C.D.(3).recycle used batteries（分数：1.00）A.B.C.D.(4).clean air-conditioning regularly （分数：1.00）A.B.C.D.(5).encourage the development of alternative energy sources （分数：1.00）A.B.C.D.(6).avoid all products made of tropical hardwoods（分数：1.00）A.B.C.D.雅思机经听力试题-关于环境的演讲答案解析(总分：22.00，做题时间：120
10、 分钟)一、演讲的类型(总题数：1，分数：2.00)Listen to the conversation and choose the right answers. （分数：2.00）(1).What are the features of multimedia lectures?（分数：1.00）A.much informationB.lecturer-centred C.flexible structureD.well organized E.little or no preparation needed解析：teacher： Ailie, you are appointed to del
11、iver a lecture to the class next week, so make a good preparation for it. student： I will. But Professor Webber, since it is my first time to give a speech in front of the class, I really have no idea about it. teacher： Dont worry. I will give you a hand. Generally, there are several types of lectur
12、es: the oral essay, multimedia lecture, and the participatory and problem solving lectures. student： Then which one should I choose? teacher： The first two are more lecturer-controlled and closer to the traditional model wherein a lecture is divided into different topics or sub-topics and systematic
13、ally covered. The participatory and problem-solving varieties operate with apparently greater flexibility, but in reality demand more planning if it is not to get out of hand. student： So Id better choose one from the first two types? teacher： Yeah, I think it is much easier for you. student： Then c
14、omes the length, how long should the lecture be? teacher： It neednt to be too long. A short lecture will be OK. From my personal experiences, I find 30 to 40 minutes the maximum before people start to glaze over. student： OK, I see. Not to exceed the maximum time limit. Thank you, professor. (2).Acc
15、ording to the conversation, which statements are true? （分数：1.00）A.Ailie will choose to give a participatory lecture.B.Ailie has no courage to challenge difficult things.C.Ailies lecture must not surpass 40 minutes. D.The professors lectures often make audiences sleepy.E.The professor has many experi
16、ences giving lecture. 解析：二、演讲的形式(总题数：1，分数：3.00)Listen to the conversation and circle the appropriate letter.（分数：3.00）(1).Whats the advantage of slide presentation?（分数：1.00）A.time-costingB.increase attentiveness C.interesting解析：student： Morning, Professor Webber. Im coming to talk with you about my l
17、ecture mode. teacher： Oh, whats your idea? student： I think that the traditional oral presentation including 20 minutes presentation plus five minutes discussion is quite suitable. teacher： Sounds not bad. But I advise you to choose slide presentation rather than oral presentation. The slides can he
18、lp you save time, and most importantly they are successful in generating and holding attention. student： Thats a good idea. Could you tell me some detailed information about slides preparation? teacher： There are several guidelines you need to obey: convey only one main idea per slide; express ideas
19、 in as few words as possible; include handout material containing extensive detail to supplement a more simplified slide. student： I see. Then about the discussion, could you give me some advice? teacher： Since the purpose of discussion is to give learners an opportunity to apply principle, concepts
20、, and theories, the group discussion may help bring better effects than the question-answer format. student： After hearing your words, Im very sure to deliver a good lecture. Thank you very much, Professor Webber. teacher： You are welcome.(2).Which of the rules about slides preparation is right? （分数
21、：1.00）A.A make complex slidesB.simplify slides as possible as you can C.cover all the details in slides解析：(3).The students lecture mode will be _ .（分数：1.00）A.oral presentation and discussionB.slide presentation and question-answer formatC.slide presentation and group discussion 解析：三、演讲的主题(总题数：1，分数：4
22、.00)Listen to the conversation and complete the following sentences with NO MORE THAN TWO WORDS.（分数：4.00）(1).Ailies lecture focuses on 1 .（分数：1.00）填空项 1:_ （正确答案：enviroment）解析：giles： Hi, Ailie. I heard that you are going to give a lecture to us. Thats wonderful. ailie： Thanks. But I have encountered
23、some problems. Could you help me, Giles? You are experienced in lecture preparation and delivery. giles： I am glad to help you. Well, whats your lecture topic? ailie： Its about environment, but I havent decided the specific topic, for I really dont know what to say. giles： You can take a look at the
24、 current newspapers and note down if something interesting happen recently that might attract the attention of audiences. This is a good way to find out the topic. ailie： Thanks for the advice. Ill have a try. giles： Dont forget to read articles and books on that topic to increase your knowledge abo
25、ut the topic. And surf the Internet to find information about the topic and collect diagrams, photos to spice up your lecture content. ailie： Yeah, I will. By the way, is there any special thing I need to pay attention to? giles： Oh, you must remember that never speak in the same tone and use the sa
26、me information twice. It makes the audience to doubt about your knowledge on that topic. ailie： I get it. I really appreciate your help.(2).Reading 1 can help Ailie find out an attractive topic.（分数：1.00）填空项 1:_ （正确答案：(current) newspapers）解析：(3).Articles, books and the 1 are sources of the knowledge
27、on a lecture topic. （分数：1.00）填空项 1:_ （正确答案：lnternet）解析：(4).Its important to vary your 1 and use different information when deliver a lecture. （分数：1.00）填空项 1:_ （正确答案：tone）解析：四、化石燃料的使用及其优缺点(总题数：1，分数：3.00)Listen to the statement and circle the appropriate letter. （分数：3.00）(1).According to the statement
28、, the energy from fossil fuels takes up _ of U.S.s total energy. （分数：1.00）A.85% B.99%C.90%解析：Fossil fuels get their name from their formation from dead plants and animal matters that were compressed and heated over millions of years. According to the U.S. Department of Energy, fossil fuels are used
29、to generate more than 85 percent of the energy used by the country. Alone the transportation sector, oil supplies 99 percent of the energy for cars in the form of petrol and diesel. Natural gas technologies are also being developed for automobiles. Though fossil fuels are important in our life, ther
30、e are also some limits. Fossil fuels are non-renewable resources because reserves are being depleted much faster than new ones are being made. As more fossil fuels are used, the unused resources will be more costly to collect and prices will rise. At the same time, the production and use of fossil f
31、uels raise environmental concerns. When fossil fuels are burned, they release pollutants that contribute to global warming and acid rain. In the United States, more than 90% of greenhouse gas emissions come from the combustion of fossil fuels.(2).Except diesel, most cars run on _ .（分数：1.00）A.oilB.ga
32、soline C.natural gas解析：(3).Which is not the disadvantage of use of fossil fuels?（分数：1.00）A.high costB.greenhouse gas emissionC.burning fast 解析：五、电动车的使用及其优缺点(总题数：1，分数：4.00)Listen to the statement and complete the notes below. Use up to two words. （分数：4.00）填空项 1:_ （正确答案：pollution）解析：Electric cars are
33、becoming more and more common, and with good reason: they offer significant energy and pollution savings over traditional gasoline cars. There are also some disadvantages. Electric cars are generally more expensive than gasoline cars. The primary reason is the high cost of car batteries. U.S. and Br
34、itish car buyers seem to be unwilling to pay more for an electric car. This prohibits the mass transition from gasoline cars to electric cars. On the other hand, most cars with internal combustion engines can be considered to have indefinite range, as they can be refueled very quickly almost anywher
35、e. Electric cars often have less maximum range on one charge than cars powered by fossil fuels, and they can take considerable time to recharge. This is a reason that many automakers marketed EVs as “daily drivers” suitable for city trips and other short hauls.填空项 1:_ （正确答案：(car) batteries）解析：填空项 1:
36、_ （正确答案：(pushing) range）解析：填空项 1:_ （正确答案：recharge）解析：六、保护环境的方法(总题数：1，分数：6.00)Listen to the conversation and match each protection target with the right method. Arainforests Bthe ozone layer Cglobal climate Dsoil and water（分数：6.00）(1).develop a better engine design（分数：1.00）A.B.C. D.解析：STUDENT A： In o
37、ur daily life, there are many ways to protect our environment. Can you give us some tips? STUDENT B： Of course. For the rainforests protection, wed better never buy products made from tropical hardwoods. STUDENT A： Yes. Since rainforests are valuable habitats of many endangered species, we must prot
38、ect them in order to provide a better living environment for these species, in order to prevent them from becoming extinct. STUDENT B： Besides, the ozone layer can stop too many of the suns ultra violet rays (UV rays) getting through to the earth. As we know, too much UV can cause skin cancer and wi
39、ll also harm all plants and animals. But the ozone layer is damaged little by little. STUDENT A： You are right. Any methods to save it? STUDENT B： There are several simple ways, such as avoid buying insulating material made up of CFC; maintain cieaness of air-conditioning because if they do not func
40、tion properly, they emit CFC to the atmosphere; opt to buy a refrigerator or an air-conditioning without CFC. STUDENT A： Quite right. I have also got some. You know, global warming is partly attributed to greenhouse gases, which are mainly from vehicle exhaust. For this, we can develop a better engi
41、ne design for cars to use less petrol, and popularize the use of alternative or renewable energy sources. STUDENT B： I agree with you. In addition, battery recycling can help to reduce the pollution of water and soil. STUDENT A： Wed better generalize them and tell others to take an action with us. S
42、TUDENT B： Good idea!(2).choose fridges without CFCs（分数：1.00）A.B. C.D.解析：(3).recycle used batteries（分数：1.00）A.B.C.D. 解析：(4).clean air-conditioning regularly （分数：1.00）A.B. C.D.解析：(5).encourage the development of alternative energy sources （分数：1.00）A.B.C. D.解析：(6).avoid all products made of tropical hardwoods（分数：1.00）A. B.C.D.解析：
