北师大版高中英语选修8 Unit22 复习参考学案1

Unit22 Communication Workshop参考教案Teaching aims1. Words and phrases2. Listening: a radio interview3. Writing: a report4. Practising using formal linkers and synonyms5. Finishing the exercises about the textTeaching timeTwo periodsTeaching processStep 1 Revision1. Dictation2. Check the homework exerciseStep 2 New words learningStep 3 ListeningExercise 11. Discuss the pictures and ask students to describe each picture.2. Students work in pairs, discuss the question:What is noise pollution?Exercise 21. First tell students a bad experience with noise.2. Students work in pairs and discuss their experiences with noise.3. A sk some students to tell the class their partner’s bad experiences with noise. Exercise 31. Give students time to read the sentences and predict the kind of information that is missing.2. Then play the tape twice or more.3. Students complete the notes and then check their answers.Exercise 41. Read the three topics to the class and tell students to focus on taking notes on these three topics.2. Play the second part of the radio program twice for students to listen and take notes.3. Then students work in pairs and compare their notes.Step 4 Writing: a reportExercise 11. Read out the heading to the class2. Ask students to read the report quickly and match sections with these headings. Exercise 21. Give students time to do the exercise individually.2. Check their answers.Exercise 3Students do the exercise in pairs then check their answersExercise 41. Read the instructions to the class and check that students understand what to do.2. Students do the exercise by themselves.3. Ask some students to write their answers on the blackboard4. Check their answers.Step 5 Speaking: Discussing photosExercise 11. Read through the opinions first2. Play the cassette and let students do the exerciseExercise 21. Let students read through the expressions first.2. Play the cassette again3. Students do the exercise and then check their answersExercise 31. Students do the exercise in pairs2. Check their answers。

Unit22 Lesson 1 Global Warming参考教案Teaching aims:By the end of this lesson, students will1.have a better understanding of what global warming is2.know the serious consequences that global warming may cause3.realize the importance that we need to take actionTeaching methods:Prediction, pair work, fast reading, careful reading, group discussionTeaching aids:Some slides, a projector, a computerTeaching procedures:Step 1 pre-reading1. Lead- inUse some cartoons to lead to the topic--- Global Warming.Ask students how much information they know about global warming and which countries contribute more to global warming: developed countries or developing countries.2. PredictionEnable students to consider what they will talk about if they are to write a passage entitled “global warming”.3. Sub-title explanationWork out the meaning of the word “take”.Step 2 While-reading1.First reading (pair work)Go through the text quickly and grasp the general idea of each paragraph.2.Second readingRead the text carefully and answer the following six questions.1 What is global warming?2What’s the use of carbon dioxide according to the text?3 By how much has the global average temperature increased in the last 100 years?4 What human activities are causing global warming?5 What consequences will global warming cause?6 How can each of us help solve the problem of global warming?Step 3 Post-reading1. Listening (Listen to strengthen understanding)2. Blanks filling. Students are asked to fill in the blanks with some key words to retell the text. Step 4 Group discussionWhat’s your attitude towards plastic bags banning?What can we use without these free plastic bags?Step5 SummaryWhat do we learn from today’s lesson?What will we do to protect our environment in our daily life?Step 6 Homework1.Finish Exercise 5 on page 72.Preview Grammar--- Reporting。

Unit 22 Lesson 1参考学案（第二课时）Lesson 1 Global WarmingCan we take the heat?(2)Green Cities – Plan for the Planet!营造绿色城市，呵护地球家园！Learning aims:A: Learn and recite the new words in lesson 1.B: Keep the important words, phrases in mind.C,D: Have the detailed information by reading the passageImportant and difficult point:How to understand the passage thoroughly.Step I 词汇回顾（A级）Step II Language points.(B,C级)Para 21. Global warming refers to an average increase in the Earth’s temperature that, in turn, leads to climate change.译文本句是主从复合句，that引导从句，修饰。

refer to lead to 两个to 都是词。

in turn【链接】in return 作为回报by turns 轮流，依次It’s one’s turn to do sth. 轮到某人做某事。

take turns to do sth.= take turns doing sth.= do sth. by turns 轮流做某事【经典回放】The president spoke at the business meeting for nearly an hour withouthis notes.A. bringing upB. referring toC. looking forD. trying toA clean environment can help the city bid for the Olympic, whichwill promote its economic development.A. in natureB. in teturnC. in turnD. in factWe firmly believe that war never settles anything. It only violence.A. runs intoB. comes fromC. leads toD. begins with2. Without these naturally occurring gases, the sun’s rays back into space leaving the Earth cold and impossible to live on.译文【句法分析】本句为without引出的含蓄虚拟条件句，与相反；leaving...为现在分词短语作(A 定语B状语)———含蓄虚拟条件句虚拟的条件不一定总是用if引导，有时可以用一下表达：①介词（短语）with, without, under, but for等Plants would die without water on the earth.②连词or, but或otherwiseHe would have given you more help, but he was too busy.③不定式短语作状语He would be stupid not to accept that offer.④分词短语This asme thing, happening in wartime,would amount to a disaster.【经典回放】But for the help of my English teacher, I the first prize in the English Writing Competition.A. would not winB. would not have wonC. would winD. would have wonA small plane crashed into hillside five miles east of the city, all four people on board.A. killedB. killingC. killsD. to killPara 31. Over the last 100 years, the global average temperature has increased by 1°F and。

Ⅰ.根据首字母及英文释义写出单词1．trap:_to prevent someone from escaping from a dangerous place2．principle:_a moral rule or set of ideas which makes you behave in a particular way3．boycott:_to refuse to buy something, use something, or take part in something as a way of protesting4．relevant:_connected with the subject or problem being discussed or considered5．condemn:_to say what sb.'s punishment is to be; to sentence sb. (esp. to death)6．sacrifice:_to willingly stop having something you want or doing something you like in order to get something more important7．recycle:_to put used objects or materials through a special process so that they can be used againⅡ.根据词性及汉语意思写出单词1．beyond prep. 超出2．federal adj. 联邦的3．coincidence n. 巧合4．consensus n. 一致的意见5．ecology n. 生态6．substitute n. 代替品，代用品7．reserve n．保护区v．保留，预约→reservation n．保留，存疑8．advocate v t.主张，提倡→advocation n．拥护，提倡，主张Ⅲ.补全短语1．be harmful to ...对……有害2．at risk 有危险，处于危险中3．a number of 一些4．beyond one's control 超出……的控制；不受……的控制5．speed up加快速度6．look ahead 展望未来7．refer to指，意即；提及；参考8．in turn 依次，轮流9．lead to引起，导致10．as a result of由于，因为11．take action 采取行动12．switch off关掉13．add up把……加起来14．ahead of在……的前面1．The amount of carbon dioxide in the atmosphere has risen by more than 30% in the last 250 years with half of this increase occurring since 1960.在过去的250年里，大气中的二氧化碳含量已经增加了30%以上，而其中的一半是在1960年以后增加的。