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1、Unit 1 Nature in the balanceGrammar and usage (I)Ellipsis内容分析：本板块围绕单元话题，以“环保纪录片和环境志愿者活动”创设情境，引导 学生在谈论关于环境保护的纪录片的对话中观察、探究省略这一语法现象，并自 主归纳其核心语法规则；接着通过单句和语篇两个层面的练习巩固所学、内化新 知I；最后要求学生正确运用省略这一语法规则创作几条环保宣传语。教学目标：By the end of this section, students will be able to:1. learn about the functions of ellipsis;su
2、mmarize the general rules of ellipsis;2. apply the rules of ellipsis in the context.教学重难点：1. To summarize the general rules;To apply the rules correctly and properly.教学过程：Step 1 Read and finish the questionsHave the students read the dialogue on page 6 and answer the following questions.1. What is t
3、he documentary about?2. How did Jack feel when watching the documentary?3. What do the leading experts suggest doing to solve the environmental problems? Possible answers:(1) It is about environmental protection. /Its about some of the worst environmental problems we are facing today.(2) He felt wor
4、ried when watching the documentary.(3) Some call for the application of modern technology, and others a change of lifestyle.【设计意图：快速引入话题，了解对话脉络。】Step 2 Fill in the blanksHave students complete the blanks of part A on page 6.1. No, I didnt (watch the documentary about environmental protection on TV y
5、esterday.)You can watch it online if you want to ().1.1 felt worried when () watching the documentary.4. Some call for the application of modern technology, and others () a change of lifestyle.5. () Got any idea?6. () Sounds great!Suggested answers:2. watch it3.1 was4. call for5. Have you6. It/That【
6、设计意图：通过总结归纳，让学生识别省略的不同用法。】Step 3 Working out the rulesHave students finish “working out the rules” of part ASuggested answers:1. repeating2. informal【设计意图：进一步归纳总结和认识省略的用法。】Step 4 summaryHave students think about the following questions:2. What is ellipsis?3. When can we use ellipsis?4. Whats the fun
7、ction of ellipsis?Possible answers:Ellipsis means the acts of leaving out a word or words from a sentence deliberately(故 意的).We can use ellipsis when the meaning can still be understood without using a word or certain words. In other words, ellipsis is used when you do not want to repeal some words
8、or phrases whose meaning is obvious. Using ellipsis is an efficient way to make sentences concise.【设计意图：通过阅读强化掌握规则。】Step 5 Go through Grammar note” from P98简单句中的省略.祈使句中的you和疑问句中的主语(You) Shut up!住嘴!1 .当上、下或前、后两个句子的宾语一致时，下句或后句常省略宾语一Do you know Miss Gao?一I dont know (her).主语和谓语都很明确，此时为了简化或显得亲切等(You com
9、e) This way, please.(省略了 主语和谓语)即时演练1补全下列省略句1. Have a seat, please!2. Looks like rain.3. Lets do the dishes. VW wash and you dry.4. Got any idea about the plan?Suggested answers:1. You have a seat, please!2. It looks like rain.3. Lets do the dishes. Ill wash the dishes and you dry the dishes.4. Have
10、you got any idea about the plan?并列句中的省略.省略共同的主语或宾语。Tom picked up a book on the floor and (Tom) handed it to his teacher.1 .若主语不同，而谓语部分的系动词、助动词或情态动词相同，则省略后面的 系动词、助动词或情态动词。Jack must have been playing football and Mary (must have been) doing her homework.2 .若主语与谓语动词相同，则省略后面的主谓成分。His advice made me happ
11、y, but (his advice made) Jim angry.3 .若主语不同，但主要动词及后续部分相同，则省略主要动词及后续部分。He has a knowledge of first aid but his friend doesnt (have a knowledge of first aid). 即时演练2写出下列句中可以省略的部分Some of us study Japanese, and others study English.1. He gave up drinking several months, but he returned to his old way lat
12、er.2. My friend didiVt come to school, but I wonder why he/she didnt come to school.Suggested answers:1. Some of us study Japanese, and others study English.2. He gave up drinking several months, but he returned to his old way late匚My friend didnt come to school, but I wonder why he/she didnt come t
13、o school.Step 6 ExerciseHave you ever dreamed of_1(fly) through the air like a bird? If activities like water skiing or jet skiing sound like your idea of summer fun, now you can try flyboarding, 2_ new water sport that is catching on around the world. Flyboarding makes use of the _3(power) engine o
14、f a jet ski to push water through an industrial hose (软管)_4_ (connect) to a board. The user fastens his or her feet onto the board and the force of the water pushes it into the air above the water. Balance, shifting the board and body are methods used _5_ (control) direction, allowing users to eithe
15、r move above the water _6_ dive below.The pressure of the water is typically controlled by an instructor, and depending _7_ how much is used through the hose, users can go anywhere from 5 to 35 feet in the air. A quick training period before your flight _8(provide), but some companies even communica
16、te with you through a headset during your flight for extra guidance. Flyboarding is _9 (general) considered safe, but height, weight and age restrictions vary across the country, so _1() _ (be) sure to check ahead of time if youre planning an adventure.Suggested answers:1. flying 2. a3. powerful 4. connected 5. to control6. or7. on/ upon 8. is provided 9. generally 10. be【设计意图：巩固强化。】Step 7 HomeworkFinish exercises C on P58【设计意图：强化知识运用。】教学反思