九年級(jí)英語(yǔ)全冊(cè) Unit 8 We’re trying to save the earth The Third Period教案 魯教版五四制

1、unit 8 were trying to save the earth!the third period section a 3a3c【teaching aims】 一、聽(tīng)、說(shuō)、讀、寫(xiě)以下詞匯：method, cruel, harmful, low, industry, law, cut off 了解明白以下詞匯及短語(yǔ)：shark, fin, chain, ecosystem二、通過(guò)學(xué)習(xí)，口、筆頭掌握下列句型：1) many have heard of shark fin soup.2) when people catch sharks, they cut off their fins an

2、d throw the shark back into the ocean.3) this method is not only cruel, but also harmful to the environment.4) if their numbers drop too low, it will bring danger to all ocean life.三、能讀懂介紹關(guān)于保護(hù)鯊魚(yú)的文章，完成相應(yīng)的閱讀任務(wù)，并能夠正確運(yùn)用連詞或狀語(yǔ)從句改寫(xiě)文章。 四、通過(guò)了解鯊魚(yú)的現(xiàn)狀，增強(qiáng)保護(hù)瀕危動(dòng)物的意識(shí)。difficulties：正確運(yùn)用連詞或狀語(yǔ)從句改寫(xiě)文章。 【teaching steps】wa

3、rm-up and revision（課堂熱身和復(fù)習(xí)）show some pictures of animals that are endangered on the screen. 教學(xué)設(shè)計(jì)說(shuō)明：激發(fā)興趣；激活思維。presentation（呈現(xiàn)新知識(shí)）1. what do you know about sharks? where do sharks live? _ are they all very big? _ what do they eat? _is the number of sharks decreasing? _ why do people catch them? _ 2. s

4、kimming速讀文章，找出段落大意。para 1 bad things happen when people cut off sharks fins.para 2 environmental protection groups have done things to protect sharks.para 3 youre killing a whole shark when you enjoy a bowl of shark fin soup. 2. scanningtask 1 work on 3a.read the passage about sharks and complete th

5、e fact sheet. where shark fin soup is popularnumber of sharks caught and traded every yearhow much numbers of some kinds of sharks have fallen in the last 20 to 30 yearstwo environmental groups against “finning”task2 仔細(xì)閱讀第二段，完成下面的句子。 bad things happen to sharks when people cut off their fins. when p

6、eople catch sharks, they _ their fins and _ the shark _ into the ocean. without a fin, a shark can no longer _ and slowly _. if sharks numbers _ too low, it will _ danger to all ocean life. task 3 仔細(xì)閱讀第三段，完成下面的句子。 some things that environmental protection groups have done:they _ the public about &qu

7、ot;finning". they have even asked governments _ to stop the sale of shark fins. 3. 模仿秀:跟讀模仿，注意語(yǔ)音語(yǔ)調(diào)。4. work on 3b.read the passage again and fill in the blanks with the words in the box.1. many people do not realize they are killing a whole shark _ they enjoy a bowl of shark fin soup.2. sharks a

8、re 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 are good for health.5. sharks may

9、 disappear one day _ we do not do something to stop the sale of shark fins.5. summarize the article and discuss it with your partner.完成學(xué)習(xí)目標(biāo)一、二。6. group work:我們?cè)撊绾伪Ｗo(hù)鯊魚(yú)？小組分工合作，完成一份關(guān)于保護(hù)鯊魚(yú)的海報(bào)，并在課后展示。7. 觀察與思考：1) not only but also 用于連接兩個(gè)表示并列關(guān)系的成分，著重強(qiáng)調(diào)后者，意為_(kāi)；可與both . and替換。若連接兩個(gè)成分作主語(yǔ)，其謂語(yǔ)通常與_保持一致。other exam

10、ples:not only does he speak fluent english, but he can also speak chinese and french well. exercise is not only good for health, but also fun.2) a number of 與the number of的用法：the number of意為“ 的數(shù)量”，跟復(fù)數(shù)名詞連用作主語(yǔ)時(shí)，中心詞是number，謂語(yǔ)動(dòng)詞用單數(shù)。a number of意為“許多”，相當(dāng)于 many，修飾可數(shù)名詞復(fù)數(shù)。作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞用復(fù)數(shù)。number前可用large，small等修飾，以表示程度。 練習(xí)：選詞填空：the number of, a number of 1. _ teachers in our school is 350. 2. _ teachers like to read books.完成學(xué)習(xí)目標(biāo)三。after listening1. 小結(jié)。完成學(xué)習(xí)目標(biāo)四?！炯彝プ鳂I(yè)】必做： 根據(jù)提示復(fù)述3a。