八下Unit 7 Section A(3a3c) 【教學(xué)目標】Knowledge objectiveGet the students to be able to make conversations using comparative forms.Moral objectiveTo be glad to listen to others opinions and develop interest【教學(xué)重點】distinguish writing styles and learn to write【教學(xué)難點】consolidate the new words and expressionsarise discussion and guide students to ask questions and find answers on their own【教學(xué)方法】PWP method, task-based method and interactive approach【教學(xué)手段】A tape recorder, multimedia and some pictures【教學(xué)過程】Teaching Procedures:Step 1 RevisionLook at the photos. Answer the following questions.Which is the highest mountain in the world?Which is the longest river in Asia? Step 2 activity and pair workStudents discussion about the topic through pre-readingStep 3 Language points1. One of the worlds most dangerous sports is mountain climbing, one of + the + 形容詞的最高級 + 復(fù)數(shù)名詞，意為最之一。如： Miss Wang is one of the most popular teachers in our school.王老師是我們學(xué)校最受歡迎的老師之一。2. It is also very hard to take in air as you get near the top.It is + adj. + to do sth.， it作形式主語放在句首，而把真正的主語放在句尾。常用于此句型的形容詞有important, difficult, dangerous, necessary, useful, possible等，用來對to do sth. 進行說明。此句型可以轉(zhuǎn)換成To do sth. is + adj.。e.g. It is important to study English well. 學(xué)好英語很困難。Its very difficult to climb Qomolangma. 攀登珠穆朗瑪峰很難。3. Even more serious difficulties include freezing weather conditions and heavy storms.difficulty 既可作可數(shù)名詞也可作不可數(shù)名詞。作可數(shù)名詞時通常用復(fù)數(shù)，表示具體概念，即：各式各樣的 困難，難題，難事，如：Hes having financial difficulties.他正手頭拮據(jù)。作不可數(shù)名詞時，譯作困難，艱難，幸苦，如：She had great difficulty in understanding him. 她很難理解他說的話。4. The spirit of these climbers shows us that we should never give up trying to achieve our dreams.give up 意為放棄，后面可以接名詞、代詞或v-ing形式作賓語。注意：如果其賓語是名詞，那么名詞可以放在 give 和 up 之間，也可以放在 up 之后；如果其賓語是代詞，那么代詞只能放在 give 和 up 之間。如：My uncle wants to give up drinking wine. 我叔叔想戒酒。Although English isnt easy to learn, I wont give it up.雖然英語不易學(xué)，但我不會放棄。Step 4 writingWrite a passage to using these questions as examples below1. Where are the Himalayas? In the southwestern part of China.2. How high is Qomolangma? 8,844.43 meters high.3. Why do so many people try to climb this mountain even though it is dangerous? Because people want to challenge themselves in the face of dif