1、2014春季英语人教版新课标必修3U5精品学案（2）第二课时 泛读课课前预习阅读理解-A (2013湖南省师大附中期中)The USA, New York Whales and dolphins are facing increasing threats from climate change, according to a new report published by WWF（World Wildlife Fund）；and the Whale and Dolphin Conservation Society（WDCS）.The report “Whales in hot water?”
2、draws attention to the growing impacts of climate change on whales. They range from changes in sea temperature and the freshening of the seawater because of the melting of ice and increased rainfalls, to a sea level rise, loss of icy polar habitats and the decline of krill populations in key areas.
3、Krill, a tiny shrimp that is dependent on sea ice, is the main source of food for many of the great whales.The speeding up of climate change adds greatly to trouble from other human activities, such as chemical and noise pollution, which kills some 1000 whales every day. “Whales and dolphins have an
4、 ability to adapt to their changing environment,” said Mark Simmonds, International Director of Science at WDCS. “But the climate is now changing at such a fast pace that it is unclear to what extent whales and dolphins will be able to adjust.”Climate change impacts are currently greatest in the Arc
5、tic and the Antarctic. According to the report, whales that rely on polar, icy waters for their home and food resources are likely to be greatly affected by the reduction of sea ice cover.WDCS and WWF are urging governments to cut global production of CO2 by at least 50 percent by the middle of this
6、 century. The latest report of the Intergovernmental Panel on Climate Change showed it was possible to stop global warming if the worlds emissions start to decline before 2015.36. What is the literary type of this passage?A. Story B. Announcement. C. News D. Novel37. From the passage, we can learn t
7、hat whales mainly feed on _.A. dolphins B. krill C. sea horses D. sharks38. Which of the following has the same meaning as the underlined word “decline”?A. increase B. reduce C. rise D. fall39. In what place is climate change the greatest? A. The Pacific Ocean B. Asia.C. Two polar areas.D. Equator.4
8、0. Which of the following is NOT right according to the passage?A. Climate change will lead to the changes in sea temperature.B. Climate change will result in the freshening of the sea water.C. Climate change will have a bad effect on human activities and whales.D. Human beings will forever have no
9、ability to stop global warming【参考答案】3640 CDBCB 第一步：作业检查1. Have a dictation. The teacher reads some sentences with new words or phrases in them. They were on a trip to Canada to visit their cousins on the Atlantic coast. It is the second biggest city, which is surrounded by mountains on the north. Af
10、ter settling down in their seats, they looked out of the windows at the wild scenery. Most Canadians live within 320 kilometres of the USA border.叫两个学生上黑板写，然后鼓励其他学生上黑板帮他们纠错，最后学生互改互评。2.Remind students of what they have learnt in Reading.第二步 引入话题Li Daiyu and Liu Qian saw lots of beautiful scenery when
11、 traveling in Canada. Last night the train that they were taking rushed across the top of Lake Superior. Which is the next city it runs towards? 第三步： 预测文章的内容 Look at the title of the passage “THE TRUE NORTH” FROM TORONTO TO MONTREAL and predict what the passage is mainly about.第四步： 阅读文章 “THE TRUE NO
12、RTH” FROM TORONTO TO MONTREAL1Give students 5 minutes, and ask them to scan or skim for the answers to the following questions: What is the main idea of the passage? How many parts is the text divided into and whats the main idea of each part? PartsParagraphsMain ideas Suggested answers: The passage
13、 is about their trip to Toronto and Montreal and it gives us further information about Canada. Part1 (Paragraphs1-5) At noon, they arrived in Toronto and visited many places.Part2 (Paragraph 6) The next morning they got to Montreal and spent one day there.Part3 (Paragraphs 7) The trip from Toronto t
14、o Montreal ended. At night they left by train. 2Give students 5 minutes to read the passage carefully, and answer the questions about the passage.(Questions on page 39) How do we know it is fall in Canada? Which direction is the train going from Toronto? Why did the girls go to Old Montreal? What th
15、ree things show us that Montreal is a French city?3. Fill in the blanks.They went on a _ of _, the most _ and _ city in Canada. They went up the tall _ and saw the misty cloud that rose from _. And then they visited _ and had dinner in _, where they could get good Cantonese food. The next morning th
16、ey arrived in _, a city which has a _ culture.Suggested answers: tour, Toronto, wealthy, biggest, CN Tower, the great Niagara Falls, the covered stadium, downtown Chinatown, Montreal, French第五步： 攻克理解重难点 (小组合作学习）1.Ask students to go over the passage and find out their own difficult points in reading.
17、 Then discuss in groups of four trying to solve the problems together.1. The teacher offers help at last if necessary. 2. The teacher can give them some sentences to paraphrase and check their understanding. They were not leaving for Montreal until later, so they went on a tour of Toronto. In the di
18、stance, they could see the misty cloud that rose form the great Niagara Falls, which is on the south side of the lake. 第六步： 角色扮演 听说训练（双人活动）1.Ask the students to finish the reports in pairs. One is to deal with Li Daiyus Report which is about what they saw in Canada, while the other is to do with Liu
19、 Qians Report related to what they heard in Canada. 2. The two students exchange the information in the form of asking and answering questions. The listener writes down what he or she is told.The students are encouraged to act out the dialogue in front of the class.把Page 39的Writing 改为双人的听说训练。一个学生负责完
20、成Li Daiyus Report，写出在加拿大的所见，另一个完成Liu Qians Report，写出所闻。然后采取问答式，将对方告知的信息写下来。 第七步： 诗歌欣赏1.It is a poem of love for the natural world which the native people of Canada live in. Read the poem on page 75 on their own and then follow the tape trying to imitate it and appreciate it. Pay attention to the rhy
21、thm.2.Are there some things in your life that make your “heart soar”? (Share your experiences with your partner.)Guess the meanings of the new words from the context if necessary.fragrance : n. sweet or pleasing smell.faintness : n. being weak and not clear.summit : n. highest point, top. salmon: n. large fish, valued for food.soar : v. fly or go up high in the air. 第八步： 作业布置1. Go over the text, and underline the useful words and expressions.2. Recite the new words (from figure to broad).3. Finish Exercise 1 in Using words and expressions on page 70.
