人教新版英語九年級(jí)Unit13SectionA3a-3b課件

Unit 13 Were trying to save the earth!,Section A 2 3a-3b,Translate these sentences into English.,1. 人們每天都在丟棄東西。 2. 這種行為正在把漂亮的地方變成難看的地方。,People are throwing away things every day.,This is turning beautiful places into ugly ones.,Revision,3. 騎自行車有其它的優(yōu)點(diǎn)。 4. 我買外賣食品從來不拿木筷子和塑料叉 子。,There are other advantages of bike riding.,I never take wooden chopsticks or plastic forks when I buy takeaway food.,shark n.鯊魚,fin n. （魚）鰭,cruel adj. 殘酷的；殘忍的,harmful adj.有害的,be harmful to 對(duì)有害,the food chain,chain n.鏈子，鏈條,ecosystem n.生態(tài)系統(tǒng),industry n.工業(yè)，行業(yè),The earth is badly polluted. What should we do to save the earth?,Warming up,Lets take action (采取行動(dòng)),Turn off the lights when you leave a room.,Recycle books and paper.,Take buses instead of driving cars.,There are some animals are endangered. We should do something to protect the animals and the environment!,Save the earth! Save the animals!,The zoos provide homes for many endangered animals.,1. Have you ever seen a shark（鯊魚）? 2. What do you know about sharks?,Discuss with your partner:,Sharks are endangered, read the passage and judge（） the sentences.,Read the first paragraph,1. Sharks fin（魚鰭）soup is famous and expensive all around the world.,2. We have to kill a whole shark to get a bowl of sharks fin soup.,Read the second paragraph,1. People cut off sharks fins and throw the sharks back into the ocean.,2. Sharks are in the bottom of the food chain in the oceans ecosystem.,n. 生態(tài)系統(tǒng),食物鏈,Read the third paragraph,1. WildAid and the WWF are environmental protection groups in China.,2. Sharks fins are good for health.,southern China,70 million,over 90 percent,WildAid and the WWF,3a,Read the passage about sharks and complete the fact sheet below.,3b,Read the passage again and fill in the blanks with the words in the box.,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.,when,so,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 disappear one day _ we do not do something to stop the sale of shark fins.,but,Although,if,adj. 科學(xué)上的，科學(xué)的,Retell the passage according to the words below.,1. A shark can no longer swim and slowly dies. 鯊魚不能再游泳然后慢慢死掉。,no longer意思是“不再” e.g. Im no longer a student. 我不再是個(gè)學(xué)生了。,有兩個(gè)短語和no longer同義，即notany longer和notany more，但他們側(cè)重的方面不同。,Language points,no longer和notany longer側(cè)重時(shí)間。 e.g. He no longer lives here. = He doesnt live here any longer. 他不在這兒居住了。(一個(gè)時(shí)間以前他住 在這兒，過了這個(gè)時(shí)間，他就離開了。) notany more側(cè)重程度和數(shù)量 e.g. You can drink no more. = You cant drink any more. 你不能再喝了。(喝酒的量到了一定程 度，不能再繼續(xù)下去了。),2. This method is not only cruel, but also harmful to the environment. 這種方法不但殘忍而且對(duì)環(huán)境有害。,not onlybut 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，其意為“不僅而且”; 其中的also有時(shí)可以省略。,e.g. She not only plays well, but also writes music. 她不但很會(huì)演奏，而且還會(huì)作曲。 Not only men but also women were chosen. 不僅僅是男的，女的也有被選中的。,若連接兩個(gè)成分作主語，其謂語通常與靠近的主語保持一致。 e.g. Not only you but also he has to leave. 不只是你，他也得離開。,not only放在句首，后接句子時(shí)要用倒裝結(jié)構(gòu)。 e.g. Not only had the poor man been fined, but also he had been sent to prison. 這個(gè)可憐的人不僅被罰款，而且還被 送進(jìn)了監(jiān)獄。,be harmful to 對(duì)有害 e.g. Smoking is harmful to the health. 吸煙有害健康。 Playing computer games much is harmful to students. 電腦游戲玩太多對(duì)學(xué)生有害。,3. Sharks are at the top of the food chain in the oceans ecosystem. 鯊魚位于海洋生物系統(tǒng)食物鏈的頂部。,at the top of 在最高地位; 用最高最大的(速度, 聲音等) e.g. I looked at the top of his head, his hair shiny and parted smoothly. 我看他的頭頂, 頭發(fā)閃亮且平滑的分 開。,He shouted at the top of his voice in order that he might be heard. 他盡力大聲叫喊, 以便別人能聽見。,4. If their numbers drop too low, it will bring danger to all ocean life. 如果它們的數(shù)目降至過低，會(huì)給所有 海洋生物帶來危險(xiǎn)。 此句復(fù)數(shù)形式的numbers表達(dá)全海洋中鯊 魚的總量。當(dāng)表示數(shù)值的高或低時(shí)，number要用high或low修飾。,e.g. In that country, the number of children going to school is higher in cities than in towns and village. 在那個(gè)國(guó)家，城市兒童入學(xué)人數(shù)比鄉(xiāng)鎮(zhèn) 及農(nóng)村要高。 常與number搭配的動(dòng)詞有g(shù)row, fall等。 e.g. The number of families that own cars has been growing quickly recently. 近來擁有轎車的家庭數(shù)量增長(zhǎng)很快。,5. Environment protection groups around the world, such as WildAid and the WWF, are teaching the public about “finning”. 世界各地的環(huán)境保護(hù)組織，如野生救援協(xié) 會(huì)和世界自然基金會(huì)，都在教育公眾有關(guān) “獵翅”的行為。 1) 句中fin本為名詞，指 “魚鰭”。此句中的 finning由動(dòng)詞化的fin（割鯊魚鰭以獲取 魚翅）的-ing形式轉(zhuǎn)化而成，指課文中所 陳述的 “獵翅”這一行為。,2) WildAid和WWF組織 WildAid（美國(guó)野生救援協(xié)會(huì)）是保護(hù)野生動(dòng)物及棲息地環(huán)境的一個(gè)非盈利性的機(jī)構(gòu)，1999年注冊(cè)成立，其宗旨是保護(hù)及救助世界范圍內(nèi)的野生動(dòng)物；WWF（世界自然基金會(huì)）英文全稱為World Wide Fund for Nature，成立于1961年，是享有國(guó)際盛譽(yù)，全球最大的獨(dú)立性非政府環(huán)境保護(hù)組織之一。,1. Save the Sharks! save作動(dòng)詞，意為“救，拯救”，后常跟介詞from。 如：He saved the boy from the big fire. 他從大火中救出了那個(gè)男孩。 The dog saved the girls life. 那只狗救了女孩的命。,Language points,拓展：save作及物動(dòng)詞，意為“儲(chǔ)蓄，貯存；節(jié)省”。 如：She saved her strength for the last minutes of the race. 她保存體力，準(zhǔn)備在比賽的最后幾分鐘沖刺。 save作不及物動(dòng)詞，意為“節(jié)??；存錢；貯存物品”。 如：Some animals save for the future. 一些動(dòng)物為未來之需儲(chǔ)存食品。,Language points,2. When people catch sharks, they cut off their fins and throw the shark back into the ocean. cut off有以下幾種意思： 切斷（水、電）；中斷；關(guān)掉。 如：Their water supply was cut off 他們的水源被切斷了。 切下來；剪下來。 如：They cut off the heads of their captives 他們把俘虜?shù)念^砍了下來。,Language points,孤立。 如：The enemy soldiers were cut off from their headquarters 敵軍同總部的聯(lián)系被切斷，成了孤軍。 The flood cut off the villagers from the rest of the world洪水切斷了村民們與外界的聯(lián)系。 剝奪繼承權(quán)。 如：He has cut his son off without a penny 他取消了兒子的繼承權(quán)，一便士也不給。,Language points,【拓展】關(guān)于cut的用法： cut down 削減；砍倒；殺死；刪節(jié)；勝過 cut in 插嘴；超車；插入 cut into 打斷；侵犯 cut out 切斷；刪去；停止；關(guān)掉 cut back 削減；修剪；（美）倒敘 cut short縮短；打斷；縮減 cut from 從上切下 cut through 刺穿；抄近路走過 cut down on 削減，減少 cut up 切碎；抨擊 cut away 切掉，砍掉,Language points,1.(2014濰坊) - Are Betty and LingLing still livi