高中英语重庆大学版Book5CY1阅读课件(共58张PPT)
加入VIP免费下载

高中英语重庆大学版Book5CY1阅读课件(共58张PPT)

ID:696722

大小:5.1 MB

页数:58页

时间:2021-05-27

加入VIP免费下载
温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,天天资源网负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。
网站客服:403074932
资料简介
Challenging Yourself II Wild Antarctica Warming up Antarctic Arctic South Pole North Pole ant-/anti-: opposed to Antarctica holds the key to the earth's story and to ours. Discussion How do you understand the sentence? 1. Antarctica is one of the last real wilderness left on the earth. 2. Antarctica becomes the biggest laboratory in the world, with many scientists doing research there. 3. Antarctica holds 90 percent of all the world’s ice. If all the ice melted, the world’s oceans would rise by 60 meters. wilderness: undisturbed wild natural areas Contents Looking Ahead Getting Ready Reading Language Focus Further Reading Comprehending Looking Ahead u Learn about Antarctica. u Learn compound words with the suffix –free. u Practise talking about environmental protection. u Learn to write a passage with given cues. Period 1 1. Watch the short movie and then try to describe something you've seen in the movie. It’s covered by snow and ice everywhere. Flowers and trees do not grow here. No land animals live in Antarctica. Only penguins live near the water. the Aurora Australis /the southern lights 2. continents Australia coldest windiest thick temperature blow Penguins animals trees weather snow (p.57, Task 1 in the student book) 3. F N F N F (p.57, Task 2 in the student book) N N N 1. What is the main idea of the text? Antarctica is one of the last real wilderness left on the earth, which has attracted much attention from people, but meanwhile, it is threatened by the increase of scientific research and tourism. 2. The first and last paragraphs share the same keyword. Can you find it? Wilderness 3. Pair work. 1). Partner A will finish the first part of the chart and partner B the second part. 2).Both of them need to scan the text and complete their own task. 3).Then share each other’s information and finish the chart in the book. (p.59, Task 1 in the student book) Student A Student B agreed to sign the Antarctic Treaty arrive every summer to carry out research project s Antarctica was a green and living place such a huge ice broke away will visit Antarctica this year Tips: Paying attention to the numbers in the text is a part of of scanning. Check the answer together. the world’s ice Antarctica holds carry out/conduct/ do (a) research to become loose and no longer attached to something 4.Group competition 1). Choose one host and three judges for the competition. 2). There are two parts in the competition. In Part 1, there are five questions (2 points for each question) and each group chooses one question to answer. In part 2, discuss the questions on the screen with group members and then each group choose one representative to give a short talk (the judges give the score between 1 to 5 points according to the talk). Part 1 1. Read the text in 3 minutes. 2. Each group chooses one number in the following to answer the question. 1 2 3 4 5 1) The sentence “Antarctica is one of the last real wildernesses left on the earth.” means _______. A. Antarctica is now the last place people can go B. Antarctica is now the only continent no single person has set foot on C. Antarctica is now one of the few places on the earth whose environment has not been totally changed by man D. human beings have completely explored Antarctica c 2) The Antarctic Treaty signed in 1961 said that Antarctica was a _______ place and could only be used for _______ purposes. A. nuclear; peaceful B. nuclear-free; war C. non-nuclear; peaceful D. nuclear; military c 3) The word “this” in the sentence “This means that t he ice is slowly melting.” (Para. 4) means _______. A. research has been done B. scientists discovered that all the ice has melted C. the earth is gradually getting warmer D. the world’s ocean rises by 60 metres c 4) The sentence “Sometimes the scientists studying these changes get dangerously involved in their own research.” (Para. 5) means _______. A. sometimes scientists studying the changes are doing dangerous research in Antarctica B. sometimes dangerous scientists are taking part in the research in Antarctica C. sometimes it is dangerous for scientists studying the changes to do research in Antarctica D. sometimes scientists studying the changes are not dangerous at all c 5) The author’s purpose in writing this article about the future of Antarctica is _______. A. to express his anger B. to show his love C. to show his concern D. to express his sympathy c Part 2 1. Each group has 5 minutes to discuss with group members about the following questions. 2. The representative gives the presentation. 1) What are the threats to Antarctica you can infer from the text? 2) What should people do to protect Antarctica? Threats to Antarctica Some species have been on the verge of extinction; others have been killed or disturbed. Waste was thrown into the sea or burnt. Broken or useless vehicles and aircraft were left where they were. Both science and tourism have the potential to damage the environment. Measures for protection Protected areas are being set up. No vehicles are allowed. Limitations are set up to annual visitors. People are now educated about protecting the environment. Conclusion Homework Write a passage entitled “Antarctica in Danger”. Start with the last sentence of the text. You may use some of the cues provided before. (p.60, Task 4 in the student book) If we are not careful, Antarctica will not remain a wilderness for much longer.__________________ _______________________________________ _______________________________________ For a cleaner future of Antarctica, ____________ _______________________________________ _______________________________________ Period 2 Review Retell what we have learned last period based on the following words or phrases. wilderness, sign the Antarctic Treaty, carry out research projects, 90% ice, rise by 60 metres, break away, tourism, remain Underline the words below in the text and get their meanings. Then share the meanings and skills you use with the whole class. treaty, is made up of, surface, million, mass, decade, chunk, break off, float away into, get involved in, outnumber, tourism, go mountaineering Treaty: formal agreement between countries and people continent make up sth.: to combine together to form something. ten years the business of providing things or places for pleasure. to surpass in number to surpass in talking to surpass in thinking 1. Antarctica is one of the last real wildernesses left on the earth. 2. Antarctica became the biggest laboratory in the world, with many scientists conducting research there. 3. In 1968 a huge piece of ice measuring 15,000 square kilometers broke away. Structures with participles participle as the attribute participle as the attribute participle as the object complement Think about some phrases with the word “break”. Try to explain them and then make up a sentence for each phrase. break off: break away from: break down: break through: break up: break out: break in: break into: to become loose without attached to something to move away from sb. to fail or stop working in a successful way to manage to do something successfully in spite of difficulties to break into small pieces to take place to interrupt someone during the speaking to enter a building by using force, in order to steal something G F D B H A C E ? • Match the word on the left with its definition on the right. a treaty a document do conduct carry out a meeting 90% of the world’s ice a record by 60 metres to 60 metres Choose the words or expressions provided below to complete the following fork-like diagrams. conducted signed carrying out move into hold Complete each of the following sentences with the proper form of a word or phrase in the box. rises/rose/ (is/was) rising break away involves measure remain Look at the pictures and guess whether the man is allowed to smoke here or not. Read the TIPS and check your answer. B C E A F D ? Period 3 radiate (v.) +ion radiation (n.) 放射 protect (v.) +ive protective (a.) atmosphere (n.) +ic atmospheric (a.) Can you use another word to replace region? Look at the picture and discuss the questions with partner. You can predict it according to task 1. 1) What does Antarctica look like in the picture? 2) Is it a real hole over Antarctica? And how do you know? 3. Read the text and decide whether the following statements are true (T) or false (F).(p.63, Task 1 in the student book) T F F F T 4. Work in pairs and answer the following questions.(p.63-64, Task 2 in the student book) 1) Why is the ozone layer so important to human beings? 2) Have the American scientists found the cause of the ozone loss? Because the ozone layer blocks much of the sun’s dangerous ultraviolet radiation. No, they have not. 3) What are the two purposes of the American scientists’ trip to Antarctica? 4) Have the American scientists found any solution to the problem of the ozone decrease over Antarctica or not? How do you know? 5) Did British scientists and American scientists have the same discovery? Underline the evidence in the text. No, they have not. Yes. The evidence can be found in Para. 2. They hoped to discover some reason for the yearly change in the Antarctic atmosphere, and find out if the decrease in ozone could be the beginning of a worldwide problem. 5. A B (p.64, Task 3 in the student book) C C C attempt [ə'tempt] v. attempt to do sth. = try to do sth. n. make an attempt to do sth./in an attempt to do sth. (in para. 4) Work out the new words or phrases in the text with partner. to show sth. is truecontinuing for a short time happening or done at on ce without delay tools n. Find the words or expressions that describe “changes on the amount” in the text. a decrease in the amount of … return to normal loss about the same increase steadily 40% below… grow in size the yearly change in… … Homework Scientists hope to find out if the decrease in ozone could be the beginning of a worldwide problem. Discuss with your group members some other worldwide problems you know and do a report next class.

资料: 3.2万

进入主页

人气:

10000+的老师在这里下载备课资料