英语人教版九年级全册Unit 13 Period 2 .docx

Unit 13 Were trying to save the earth!Period 2 Section A 3a-3c【学习目标】. Studying Aims and Demands 1. Master the key words and expressions.hear of, in southern China, kill a whole shark, a bowl of shark fin soup, cut off, not onlybut also, at the top of, be endangered, in fact, stop the sale of shark fins, scientific studies, be good for(1) This is not only cruel, but also harmful to the environment.(2) Without a fin, a shark can no longer swim and slowly dies.(3) When people catch sharks, they cut off their fins and throw the shark back into the ocean.(4) The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.2. Be able to talk about pollution and environmental protection. 3. Be able to understand the article.4. Emotional aims: Be aware of the important of reducing pollution and protecting animals. Studying Key and Difficult Points 1. Master the new words and phrases.hear of, in southern China, kill a whole shark, a bowl of shark fin soup, cut off, not onlybut also, at the top of, be endangered, in fact, stop the sale of shark fins, scientific studies, be good for(1) This is not only cruel, but also harmful to the environment.(2) Without a fin, a shark can no longer swim and slowly dies. 2. Learn to understand the article.【学习过程】Step 1: Lead-in (4 minutes) 1. Watch a short movie about some endangered animals and answer the teachers questions: What do you learn from the short movie? _ Do you think the animals are endangered? Why? _2. Learn and understand the studying aims in this class.Step 2: The new words(6 minutes)1. According to the pictures on the screen, read the words together and say out their Chinese meanings. _2. Play a guessing game. According to the Chinese meanings, say out the words._Step 3: Before reading. (4 minutes)1. Talk about different wild animals that you like. _2. Talk about if the wild animals are endangered. What do you do about the endangered animals? _Step 4: While reading (12 minutes)1. Skim the passage quickly. And answer the questions1). What do you know about sharks? _2). Do you think sharks are endangered? Why? _3). What do you think might have caused a fall in the number of sharks? _2. Scan the massage and discuss to complete the fact sheet below.Where shark fin soup is popular: _Number of sharks caught and traded every year: _How much the numbers of some kinds of sharks have fallen in the last 20 to 30 years:_Two environmental groups against “finning”: _3. Read the passage fast and fill in the blanks with the words in the box. so, although, if, but, when(1) Many people do not realize they are killing a whole shark _ they enjoy a bowl of shark fin soup.(2) Sharks are at the top of the food chain, _ if their numbers drop, the oceans ecosystem will be in danger.(3) Many think that sharks are too strong to be endangered, _ they are wrong.(4) _ there are no scientific studies to support this, a lot of people believe that shark fins ate good for health.(5) Sharks may disappear one day _ we do not do something to stop the sale of shark fins.Step 5: After reading (7 minutes)According to the passage, complete the blanks with the correct forms of the given words. Many have _(hear) of shark fin soup. This famous and expensive dish especially popular in _(south) China. But do you realize that youre killing a whole shark each time you enjoy a bowl of shark fin soup? When people catch sharks, they cut off their fins and throw the shark back into the ocean. This is not only cruel, but also _(harm) to the environment. Without a fin, a shark can no longer swim and _(slow) dies. Sharks are at the top of the food chain in the oceans ecosystem. If their numbers drop too low, it will bring danger to all ocean life. Many believe that sharks can never be _(danger) because they are _(long) in their food chain. But in fact, around 70 million sharks _(catch) and traded in this industry every year. The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.Step 6: Summary (2 minutes)1. Some new words and phrases: _2. Some of reading skills: _Step 7: Exercises. (10 minutes)Finish the exercises to consolidate what you have learned today.【探究归纳】1. Save the sharks! 拯救鲨鱼！save 作动词，意为“救。拯救”，后常跟介词from.Eg: He _ the boy _ the big fire. 他从大火中救出了那个男孩。 The dog _ the girls life. 那只狗救了女孩的命。【拓展】1) save 做及物动词，意为“储蓄，储存，节省”Eg: She _ her strength for the last minutes of the race. 她保存体力，准备在比赛的最后几分钟冲刺。 Good house keeping _ money. 善于理家节省开支。2) save 作不及物动词，意为“节省，存钱，储存物品”Eg: Children should learn to _. 孩子们应该学会储存。 Some animals _ for the future. 一些动物为未来之需储存食物。2. When people catch sharks, they cut off their fins and throw the shark back into the ocean. 当人们抓住鲨鱼的时候，削下它们的鱼鳍，又把它们扔回海里。cut off 有以下几种意思：（1）切断（水，电）；中断，关掉Eg: Their water supply was _ _. 他们的水源被切断了。A communications are cut off. 一些通讯被切断了。（2）切下来，剪下来。Eg: They _ _ the heads of their captives. 他们把俘虏的头砍了下来。 The rope is two feet longer than we needed, so we _ _ the extra length. 绳子比我们需要长两英尺，因此我们把多余的给剪下来了。（3）孤立Eg: The enemy soldiers were _ _ from their headquarters. 敌军同总部的联系被切断，成了孤军。 The flood _ _ the villagers from the rest of the world. 洪水切断了村民们与