Unit 6 Section Ⅱ Understanding ideas-【金版教程】2025-2026学年高中英语必修第二册作业与测评课件PPT（外研版）

WELCOME UNIT Unit 6　Earth first Section Ⅱ　Understanding ideas 作业1　课内落实作业 作业2　主题拓展作业 目录 CONTENTS 1 2 作业1　课内落实作业 Ⅰ　语境填词 1．I met an __________ (出乎意料的) guest when I got home. 2．The car crashed into a tree, but _________ (幸运地), no one was seriously hurt. 3．The legend of the ___________ (吃人的) snake has been passed down for generations. 4．He walked _________ (痛苦地) because of his injured leg. unexpected fortunately man­eating painfully 作业1　课内落实作业 5．A good a_______ is the key to achieving success in any field. 6．The movie about s______ attracted a large audience last weekend. 7．Some c________ can change their colors to protect themselves. 8．The athlete performed an excellent d____ in the swimming competition. ttitude harks reatures ive 作业1　课内落实作业 Ⅱ　语法填空 1．We must get these endangered species ________ (protect) before it's too late. 2．The story ________ (base) on a real­life incident that happened in the 1960s. 3．The new policy is targeted ____ reducing traffic congestion in the city center. 4．The children were too scared to watch the _________ (terrify) scene in the horror film. protected is based at terrifying 作业1　课内落实作业 5．The teacher found students ________ (create) posters to raise awareness about saving water. 6．The environmental protection campaign has an effect ________ people's daily habits. 7．The _____ (scare) monster in the movie, with its huge sharp teeth and glowing red eyes, really frightened the children. 8．She lost her wallet on the bus, and ___________ (fortunate), all her money and ID cards were inside. creating upon/on scary unfortunately 作业1　课内落实作业 Ⅲ　选词填空 strengthen, fortunate, due to, fin, extinction, cover 1．The flight was cancelled ______ bad weather. 2．They __________ their friendship by going on road trips together every year. 3．I thought I'd lost my wallet, but __________， it was in my other coat pocket. 4．The dolphin's _____ sliced through the water as it swam beside our boat. 5．The city streets ___________ with ice after the heavy snow every winter. due to strengthen fortunately fins are covered 作业1　课内落实作业 Ⅳ　完成表达 1．他无礼的行为使他成为职场中所有人针对的对象。 His rude behavior made him _____________ in the workplace. 2．我们应该关注人们对环境保护的态度。 We should pay attention to __________________________________________． 3．巨大的响声把鸟儿从树上吓跑了。 The loud noise ____________________ from the tree. a target for all people's attitudes towards environmental protection scared the birds away 作业1　课内落实作业 4．她去参加选秀节目，想碰碰运气，看能否成为一名歌手。 She went to the talent show _______________ as a singer. 5．由于建造新房子，许多树木被砍伐了。 Many trees were cut down ________________________． to try her fortune due to building new houses 作业1　课内落实作业 Ⅴ　完形填空 Environmental protection is becoming an increasingly urgent issue. Many species are facing extinction __1__ human activities. For example, the destruction of forests has made many animals lose their homes, and some are on the verge of disappearing forever. 作业1　课内落实作业 Plastic pollution is a major __2__ for people. When plastic waste enters the ocean, it not only __3__ marine life but also makes the sea look dirty. Turtles and other sea __4__ often mistake plastic bags for food, which can be fatal (致命的) to them. Even some large animals like whales die because of eating too much plastic. Sharks, which play a crucial role in ocean ecosystems, are also affected by pollution. The dirty water __5__ them away from their natural habitats, and __6__ who explore the underwater world often witness the sad sight of polluted coral reefs (珊瑚礁)． 作业1　课内落实作业 __7__， more and more people are changing their __8__ towards the environment. They plant trees, save water, and use less energy in their daily lives. Some students also __9__ environmental clubs at school to spread the message of protection. Many cities now have rules to reduce plastic use. Families start using cloth bags __10__ of plastic ones. Schools encourage students to turn off lights when leaving classrooms. They understand that small actions can make a __11__ difference. Simple things like reducing waste, reusing items, and recycling can __12__ protect our planet. We should all take __13__ to protect the environment before it’s too late. Let’s work together to __14__ a clean and beautiful world for future __15__． 作业1　课内落实作业 篇章导读：本文是一篇说明文。文章主要说明了环境保护成为日益紧迫的问题：人类活动导致许多物种面临灭绝，塑料污染对海洋生物造成严重危害。但幸运的是，越来越多的人开始改变对环境的态度，并采取各种行动来保护环境。 作业1　课内落实作业 14 1．A.because B．due to C．although D．instead of 解析：due to是介词短语，意为“由于，因为”，后接名词或名词短语等，这里human activities是名词短语，说明物种面临灭绝是因为人类活动，because是连词，后接句子，although意为“尽管”，instead of意为“代替”，均不符合语境。故选B。 作业1　课内落实作业 15 2．A.problem B．target C．goal D．dream 解析：句意：塑料污染是人类面临的一个主要问题。problem问题；target 目标；goal 目标；目的；dream 梦想。故选A。 3．A.harms B．helps C．saves D．feeds 解析：harm伤害，危害；help帮助；save拯救；feed喂养。根据下文“Turtles and other sea ... eating too much plastic.”可知，塑料垃圾会危害海洋生物。故选A。 作业1　课内落实作业 16 4．A.plants B．birds C．creatures D．flowers 解析：句意：海龟和一些其他海洋生物经常把塑料袋误当作食物，这对它们来说可能是致命的。plant植物；bird鸟；creature生物；flower花。根据句意可知，这里说的是海洋中的生物。故选C。 5．A.attracts B．scares C．leads D．invites 解析：根据下文“away from their natural habitats”可知，脏水会把鲨鱼从它们的自然栖息地“吓走”，scare ... away意为“把……吓走”。故选B。 作业1　课内落实作业 17 6．A.swimmers B．runners C．divers D．climbers 解析：根据下文“who explore ... coral reefs (珊瑚礁)”可知，能探索水下世界、能看到珊瑚礁景象的是“潜水员”。故选C。 7．A.Unfortunately B．Luckily C．Suddenly D．Sadly 解析：根据下文“more and more people are changing”及“They plant trees ... in their daily lives.”可知，幸运的是，越来越多的人改变了他们对环境的态度，开始采取一些环保行动。故选B。 作业1　课内落实作业 18 8．A.mind B．attitude C．idea D．thought 解析：根据下文“They plant trees ... in their daily lives.”可知，越来越多的人改变了对环境的态度。attitude towards意为“对……的态度”。故选B。 9．A.join B．leave C．avoid D．stop 解析：根据下文“environmental clubs”及“spread the message of protection”可知，此处指一些学生加入学校的环保俱乐部来传播环保信息。故选A。 作业1　课内落实作业 19 10．A.most B．few C．none D．instead 解析：根据上文“cloth bags”及下文“of plastic ones”可知，家庭开始使用布袋代替塑料袋。故选D。 11．A.small B．big C．little D．tiny 解析：固定短语make a big difference意为“有很大影响，起很大作用”，此处指人们明白小的行动也能产生很大的影响。故选B。 作业1　课内落实作业 20 12．A.hardly B．never C．greatly D．slightly 解析：句意：像减少浪费、重复使用物品和回收利用这样的简单事情能够极大地保护我们的地球。hardly 几乎不；never 从不；greatly极大地；slightly 稍微。此处强调这些行为对保护地球的作用极大。故选C。 13．A.action B．advice C．notice D．time 解析：固定短语take action意为“采取行动”，此处指我们都应该采取行动来保护环境。故选A。 作业1　课内落实作业 21 14．A.destroy B．create C．change D．break 解析：句意：让我们一起努力为后代创造一个干净美丽的世界。destroy 破坏；create创造；change 改变；break 打破。此处指创造一个干净美丽的世界。故选B。 15．A.people B．animals C．generations D．plants 解析： people 人们；animal动物；generation(一)代；plant植物。根据上文及常识可知，我们保护环境是为了给后代创造美好的世界。故选C。 作业1　课内落实作业 22 ①____________________________________ (环境保护非常重要). Many animals are in danger because of what people do. Cutting down too many trees takes away animals' homes, and some might disappear forever. Plastic is also a big problem. When it gets into the ocean, it hurts sea animals. ②__________________________________ (海龟常常误食塑料袋), and this can kill them. Even big whales die if they eat too much plastic. Sharks leave their homes because the water is dirty. Divers see that coral reefs are not healthy anymore. ③_______________________ (但情况正在好转). More people care about the environment. Students join clubs to help. Families use cloth bags instead of plastic ones. ④________________________________ (人们节约用水并且关灯). Small things can make a big difference. If we all do our part, ⑤________________________ (我们就能让地球保持清洁)． Environmental protection is very important Turtles often eat plastic bags by mistake But things are getting better People save water and turn off lights we can keep the Earth clean 作业1　课内落实作业 23 作业2　 主题拓展作业 Ⅵ　阅读 A Sasha Olsen went on a trip last summer with her family to Vietnam and Japan. She was afraid to see the ocean's pollution levels and dying sea animals. “We went on this trip and I was so excited，” said Sasha. She is 10 years old and lives in Bal Harbour, Florida. “But when I saw the way the oceans had become, I got worried. I wanted to know why things were this way but couldn't find an answer.” 作业2　主题拓展作业 25 When she returned home to Bal Harbour, she grew even more disturbed. She learned how some of the beaches in South Florida had been closed by the health department because the water had too much bacteria in it. Sasha sought the help of her cousin, Narmina Aliyev. Aliyev is 23 years old and a recent graduate of Nova Southeastern University with a bachelor's degree in business. Together, they started a nonprofit Iwantmyoceanback in October. “Originally, the group started small, with friends coming together on the weekends to clean the beaches in Bal Harbour. Recently, however, Iwantmyoceanback has hosted events to raise money for beach cleanups and to donate to protection groups such as the Sea Turtle Conservancy, Oceana and World Wildlife Fund，” Aliyev said. 作业2　主题拓展作业 26 In January, Sasha organized “Kids Heal the Oceans” at Bal Harbour Beach. There, she spoke about the oceans' problems and guests made art out of microplastics (微塑料) gathered from the beach cleanup. “At first, our guests were a little shy, but now they've felt inspired to speak up! Sasha has inspired many other kids to join Iwantmyoceanback and show people that we're able to make a change if we come together，” Aliyev said. 作业2　主题拓展作业 27 On February 16, the group threw a Plastic­Free Party. The party included a beach cleanup and guests creating art from the plastic trash they collect. “It's important to bring awareness not just through doing cleanups and meetings, but to show people they can come together through their hobbies and working together to a common goal，” said Sasha. 篇章导读：本文是一篇记叙文。文章讲述了10岁女孩Sasha Olsen (萨沙·奥尔森)清理海滩的故事。 作业2　主题拓展作业 28 1．What does the underlined word “disturbed” in Paragraph 3 mean? A．Disappointed. B．Worried. C．Nervous. D．Excited. 解析：词义猜测题。根据第二段中的“But when I saw the way ... I got worried.”可知，Sasha Olsen看到海滩被污染了很担心，由此可知，disturbed意为“担心的”。故选B。 作业2　主题拓展作业 29 2．Why were some of the beaches in South Florida closed? A．The water was polluted. B．There was sea research recently. C．There were many dying sea animals. D．There were many plastics on the beach. 解析：推理判断题。根据第三段中的“She learned how ... too much bacteria in it.”可知，海水中有很多细菌，由此可推知，水被污染了，所以南佛罗里达州的一些海滩被关闭。故选A。 作业2　主题拓展作业 30 3．What did Narmina Aliyev learn at the university? A．Art. B．Fishing. C．Business. D．Environmental protection. 解析：细节理解题。根据第四段中的“Aliyev is 23 years old ... bachelor's degree in business.”可知，Aliyev (阿利耶夫)在大学里学的是商业。故选C。 作业2　主题拓展作业 31 4．Who joined Sasha in cleaning up the beach at first? A．Kids loving oceans. B．Sasha's friends. C．Members of some conservation groups. D．Graduates from Nova Southeastern University. 解析：细节理解题。根据第五段中的“Originally, the group ... beaches in Bal Harbour.”可知，最初和Sasha一起清理海滩的是她的朋友们。故选B。 作业2　主题拓展作业 32 B It might not surprise the average Floridian to find a baby turtle on a sidewalk, but to my teenage eyes it appeared to be something unusual. One morning, when my mother and I were jogging outside our neighborhood, from a distance I spotted an object about the size of a quarter moving on the sidewalk. When my mother and I were close enough, we realized the quarter was a baby turtle. It looked as though it was on a journey. Yet I wondered if it really knew where it was going because it was heading straight for the road. I told my mum that if we didn't take this baby turtle home it would become roadkill. She finally agreed to save it and told me turtles represented good luck. We carried it home, named it Morton and cared for it the best way we could. 作业2　主题拓展作业 33 We first placed Morton in mother's bathroom sink (槽) and then an amphibian tank (两栖动物水箱). Slowly Morton grew from a quarter, to a dollar, a chocolate cookie, then eventually a disk. I knew that people kept turtles like Morton as pets. However, one day it occurred to me that Morton wasn't a domesticated turtle in a pet store. He was a wild turtle taken from nature and forced into the tank. I was trying to protect him like an overprotective parent by not setting him free. Suddenly, my heart broke into pieces. Slowly I picked up Morton and transported him to his original amphibian tank. It was time. 作业2　主题拓展作业 34 I will never forget the day I set Morton free. I walked to the neighborhood lake and carefully placed him on the shore. Morton didn't hesitate to swim into the lake and that was the last time I had seen him. 篇章导读：本文是一篇记叙文。文章讲述了作者救下了一只海龟并将其带回家悉心照料，最后将它放生的故事。 作业2　主题拓展作业 35 5．Why did the author take Morton home? A．To keep it as a pet. B．To protect it from danger. C．To make it a lucky symbol. D．To give it medical treatment. 解析：细节理解题。根据第二段中的“I told my mum ... it would become roadkill.”可知，作者将海龟带回去是为了保护海龟免受碾压。故选B。 作业2　主题拓展作业 36 6．What can we learn about Morton? A．It is rare in the region. B．It has overprotective parents. C．It has been raised in a pet store. D．It grew in size after being brought home. 解析：推理判断题。根据第三段“We first placed Morton ... then eventually a disk.”可知，Morton (莫顿)从一枚硬币大小，最终长成了一个盘子那么大，由此可推知，自从被作者带回家后，Morton越长越大。故选D。 作业2　主题拓展作业 37 7．What do the underlined words “his original amphibian tank” in Paragraph 4 refer to? A．A pet store. B．A new tank. C．Mother Nature. D．Mother's bathroom sink. 解析：指代判断题。根据倒数第二段中的“However, one day it ... forced into the tank.”可知，Morton最初生活的“水箱”是Morton原来所在的大自然。故选C。 作业2　主题拓展作业 38 8．Which statement will the author probably agree with? A．Love me and let me go. B．Love me and love my turtle. C．Animals are humans' best pets. D．Distance makes the heart grow fonder. 解析：推理判断题。根据倒数第二段中的“I was trying to protect ... by not setting him free.”及最后一段内容可推知，作者很爱Morton，但是正是这份爱使得作者选择将它送回大自然，让Morton拥有自由。故选A。 作业2　主题拓展作业 39 Ⅶ　七选五 经验贴27　 用「段首→段中→段尾」三角定位法，快速划分文章逻辑层级： (1)段首空：90%是主旨句。 (2)段中空：紧盯逻辑路标词(but/therefore/for example)。 (3)段尾空：找总结性表达(Thus/In conclusion)，若段末有问句则可能选解决方案(“The answer lies in ...”)。 作业2　主题拓展作业 40 Using too much water or throwing rubbish into our rivers are clear ways that humans can put our water supply in danger, but we also affect our water supply in less obvious ways. You may wonder how paving (铺砌) a road can lead to less usable fresh water. A major part of the water we use every day is groundwater. __1__. It comes from underground. The more roads and parking lots we pave, __2__． __3__. Drier climates are of course more likely to have droughts than areas with more rainfall, but in any case, good management can help to make sure there is enough water to meet our basic needs. 作业2　主题拓展作业 41 Thinking about the way we use water every day can make a big difference, too. In the United States, a family of four can use 1.5 tons of water a day! __4__. However, there's a lot we can do to lower the number. __5__. To start with, use the same glass for your drinking water all day. Wash it only once a day. Run your dishwasher (洗碗机) only when it is full. Help your parents fix any leaks in your home. You can even help to keep our water supply clean by recycling batteries instead of throwing them away. 作业2　主题拓展作业 42 A．Human activity is not responsible for all water shortages B．there is much we can do to reduce family size C．Groundwater does not come from lakes or rivers D．You can take steps to save water in your home E．This shows how much we depend on water to live F．All water shortages are due to human behavior G．the less water can flow into the ground to become groundwater 篇章导读：本文是一篇说明文。文章介绍了水资源的重要性，并给出了节约用水的方法。 作业2　主题拓展作业 43 1．答案：C 解析：根据下文“It comes from underground.”可知，此处应说明地下水的来源。C项(地下水不是来自湖泊或河流)引出下文。故选C。 2．答案：G 解析：根据上文“The more roads and parking lots we pave”可知，人们修建的道路和停车场会影响地下水的流入。G项(流入地下成为地下水的水就越少)承接上文。故选G。 作业2　主题拓展作业 44 3．答案：A 解析：根据下文“Drier climates are of course ... meet our basic needs.”可知，气候会导致水资源短缺。A项(并非所有的水资源短缺都是人类活动造成的)引出下文。故选A。 4．答案：E 解析：根据上文“In the United States, a family of four can use 1.5 tons of water a day！”可知，人们生活中需要水。E项(这表明我们有多依赖水来生存)承接上文。故选E。 作业2　主题拓展作业 45 5．答案：D 解析：根据下文列出的节水措施可知，D项(你可以采取措施在家里节约用水)引出下文。故选D。 作业2　主题拓展作业 46 R $