unit 4 复习讲义 2026-2027学年人教版英语八年级上册

本初中英语讲义围绕“神奇的动植物”主题，系统梳理动植物特征、环保重要性及描述语言，以词汇（含词族拓展）、重点短语（如in danger）、形容词最高级语法为核心知识点，构建从认知到表达的学习支架。 资料亮点在于词族拓展助力语言能力提升，如amaze词族构建词汇网络，分层练习（词形转换、完形填空）培养学习策略，语法精讲结合主题语境提升思维品质，综合训练融入环保意识增强社会责任感，课中辅助教学，课后便于查漏补缺。

UNIT 4 / Amazing Plants and Animals Big Question: What makes plants and animals amazing? 📖 课文梳理 本单元围绕「神奇的动植物」展开，探讨自然界中动植物的独特之处和生存智慧。通过阅读不同种类的动植物特征，学生将了解生物多样性的重要性，并思考如何保护自然环境。 结构：认识神奇动植物 -> 了解动植物特征 -> 探讨保护环境的重要性 -> 学习描述动植物的语言表达。 📚 重点词汇（含词族拓展） Welcome to the unit & Section A amazing /əˈmeɪzɪŋ/ adj. 令人惊奇的；惊人的 词族拓展：amaze (v. 使惊奇) -> amazing (adj.) / amazed (adj. 感到惊奇的) -> amazingly (adv.) The plants in the forest are amazing! 森林里的植物太神奇了！ I was amazed at the beautiful flowers. 这些美丽的花让我很惊奇。 plant /plɑːnt/ n. 植物；工厂 v. 种植 词族拓展：plant (n./v.) -> planting (n. 种植) -> planter (n. 种植者) Trees are the tallest plants on Earth. 树是地球上最高的植物。 We planted some flowers in the garden. 我们在花园里种了一些花。 animal /ˈænɪml/ n. 动物 词族拓展：animal (n.) -> animal kingdom 动物王国 搭配：wild animals 野生动物 / pet animals 宠物 / sea animals 海洋动物 Many animals live in the forest. 很多动物生活在森林里。 insect /ˈɪnsekt/ n. 昆虫 词族拓展：insect (n.) -> insecticide (n. 杀虫剂) Bees are very useful insects. 蜜蜂是非常有用的昆虫。 protect /prəˈtekt/ v. 保护 词族拓展：protect (v.) -> protection (n. 保护) -> protective (adj. 保护的) 搭配：protect...from/against 保护……免受…… We should protect the environment. 我们应该保护环境。 Protect yourself from the strong sunlight. 保护自己免受强阳光伤害。 The forest provides protection for animals. 森林为动物提供保护。 Mother bears are very protective of their babies. 熊妈妈非常保护自己的幼崽。 environment /ɪnˈvaɪrənmənt/ n. 环境 词族拓展：environment (n.) -> environmental (adj. 环境的) -> environmentally (adv.) 搭配：protect the environment 保护环境 / natural environment 自然环境 We need to protect our natural environment. 我们需要保护自然环境。 Environmental protection is very important. 环境保护非常重要。 pollute /pəˈluːt/ v. 污染 词族拓展：pollute (v.) -> pollution (n. 污染) -> polluted (adj. 被污染的) Factories should not pollute the rivers. 工厂不应该污染河流。 Air pollution is a serious problem. 空气污染是一个严重的问题。 The polluted water is bad for our health. 被污染的水对我们的健康有害。 danger /ˈdeɪndʒə(r)/ n. 危险 词族拓展：danger (n.) -> dangerous (adj. 危险的) -> dangerously (adv.) 搭配：in danger 处于危险中 / out of danger 脱离危险 Many animals are in danger. 很多动物处于危险中。 Tigers are dangerous animals. 老虎是危险的动物。 save /seɪv/ v. 拯救；节省；储蓄 搭配：save one's life 救某人的命 / save money 省钱 / save time 节省时间 We should try to save the pandas. 我们应该努力拯救大熊猫。 We can save water by taking shorter showers. 通过缩短淋浴时间可以节约用水。 nature /ˈneɪtʃə(r)/ n. 自然；大自然 词族拓展：nature (n.) -> natural (adj. 自然的) -> naturally (adv.) We should get close to nature. 我们应该亲近大自然。 It is natural for birds to fly. 鸟会飞是很自然的。 forest /ˈfɒrɪst/ n. 森林 The forest is home to many animals. 森林是很多动物的家园。 Rainforests are very important to the Earth. 雨林对地球非常重要。 ocean /ˈəʊʃn/ n. 海洋 The ocean covers most of the Earth. 海洋覆盖了地球的大部分。 There are many amazing animals in the ocean. 海洋里有很多神奇的动物。 wonderful /ˈwʌndəfl/ adj. 精彩的；绝妙的 词族拓展：wonder (n./v.) -> wonderful (adj.) -> wonderfully (adv.) The natural world is wonderful! 自然世界太奇妙了！ We had a wonderful time in the forest. 我们在森林里度过了美好的时光。 ✏词汇配套练习 📝 练习一：用所给词的适当形式填空（词形转换） 1. The _____ (amaze) animals in the ocean attract many visitors. 2. We should pay more attention to _____ (environment) protection. 3. The river is _____ (pollute) by the factory waste. 4. It is _____ (danger) to swim alone in the deep sea. 5. The forest _____ (protect) the soil from being washed away. 6. Many wild animals lose their _____ (nature) homes. 7. The story about the plant was truly _____ (wonder). 8. The government takes action for the _____ (protect) of wildlife. 📝 练习二：选词填空 amazing protect environment pollute danger nature forest save 1. We should do our best to _____ the earth from pollution. 2. The _____ scenery in the park took my breath away. 3. Air _____ makes it hard for us to breathe. 4. Many wild animals are in _____ because of human activities. 5. It is important to keep the _____ clean. 6. The _____ is home to thousands of plants and animals. 7. We can _____ water by turning off the tap. 8. It's _____ to see so many different kinds of birds here. 🔗 重点短语（含详解） in danger 处于危险中 表示处于危险的境地。反义词组：out of danger（脱离危险）。 Many animals are in danger of dying out. 很多动物面临灭绝的危险。 The little girl was in danger, but the firefighter saved her. 小女孩处于危险中，但消防员救了她。 protect...from... 保护……免受…… 表示保护某人/某物免受伤害或损害。类似结构：protect...against... We should protect animals from being hurt. 我们应该保护动物免受伤害。 Trees protect the soil from being washed away. 树木保护土壤不被冲走。 cut down 砍倒；减少 作为「砍倒」时指砍伐树木；作为「减少」时指降低数量或频率。 People cut down too many trees. 人们砍伐了太多的树。 We should cut down the use of plastic bags. 我们应该减少塑料袋的使用。 think about 考虑；思考 相当于consider，后接名词、代词或动名词。 Think about what you can do for the environment. 想想你能为环境做些什么。 I am thinking about planting a tree. 我在考虑种一棵树。 be famous for 因……而著名 famous = well-known，表示以某种特征或事物出名。同义短语：be known for。 This forest is famous for its amazing plants. 这片森林以其神奇的植物而闻名。 China is famous for the giant pandas. 中国以大熊猫而闻名。 millions of 数百万的 类似短语：hundreds of / thousands of / billions of。注意：前面有具体数字时，million不加s。 Millions of people visit the forest every year. 每年有数百万人参观这片森林。 There are millions of stars in the sky. 天空中有数百万颗星星。 ✏短语配套练习 📝 练习三：用方框中短语的适当形式填空 in danger protect...from cut down think about be famous for millions of 1. We should _____ the environment _____ pollution. 2. Many wild animals are _____ because of habitat loss. 3. People _____ too many trees for farming. 4. Please _____ the importance of saving water. 5. This area _____ its beautiful natural scenery. 6. _____ people come to the national park every year. 📐 语法精讲 + 配套练习 一、形容词最高级（Superlatives） 一、形容词最高级用于三者或三者以上之间的比较，表示「最……」的意思。最高级前一般要加定冠词the。 构成规则： (1) 单音节词和部分双音节词：在词尾加 -est tall -> tallest / short -> shortest / fast -> fastest (2) 以e结尾的词：直接加 -st large -> largest / nice -> nicest (3) 以重读闭音节结尾，末尾只有一个辅音字母：双写该辅音字母再加 -est big -> biggest / hot -> hottest / thin -> thinnest (4) 以「辅音字母 + y」结尾：改y为i再加 -est happy -> happiest / easy -> easiest / heavy -> heaviest (5) 多音节词和部分双音节词：在词前加 most amazing -> most amazing / dangerous -> most dangerous / wonderful -> most wonderful 不规则变化（中考必考）： good/well -> best / bad/badly -> worst / many/much -> most / little -> least / far -> farthest/furthest 常用句型结构： the + 最高级 + 比较范围: This is the tallest tree in the forest. 这是森林里最高的树。 one of the + 最高级 + 名词复数: The panda is one of the most famous animals. 大熊猫是最著名的动物之一。 the + 序数词 + 最高级: The Yangtze River is the third longest river. 长江是第三长河。 📝 练习四：用所给形容词的适当形式填空（最高级） 1. The blue whale is the _____ (large) animal in the world. 2. This is the _____ (beautiful) garden I have ever seen. 3. Which is the _____ (dangerous) animal in the forest? 4. The cheetah is the _____ (fast) land animal on Earth. 5. Summer is the _____ (hot) season of the year. 6. She is one of the _____ (good) students in our class. 7. This is the _____ (bad) pollution I have ever seen. 8. Mount Qomolangma is the _____ (high) mountain in the world. 9. The panda is one of the _____ (cute) animals. 10. This plant is the _____ (amazing) one in the forest. 📋 Unit 4 综合训练 一、单项选择（共15题） 1. The blue whale is _____ animal in the world. A. large B. larger C. largest D. the largest 2. Pandas are one of _____ animals in China. A. famous B. more famous C. the most famous D. most famous 3. We should _____ the environment from pollution. A. protect B. pollute C. prevent D. prepare 4. Many wild animals are _____. We need to save them. A. in trouble B. in danger C. in safety D. in peace 5. The cheetah runs _____ among all land animals. A. fast B. faster C. fastest D. the fastest 6. Trees _____ the soil from being washed away. A. provide B. protect C. prevent D. pollute 7. People should not _____ too many trees. A. cut off B. cut down C. cut up D. cut in 8. Summer is the _____ season of the year. A. hot B. hotter C. hottest D. most hot 9. The Amazon Rainforest is _____ its amazing biodiversity. A. famous for B. famous as C. famous to D. famous in 10. _____ of people visit the national park every year. A. Million B. Millions C. A million D. Million of 11. The river is _____. We cannot drink the water. A. pollute B. polluting C. polluted D. pollution 12. It is _____ to swim alone in the deep sea. A. danger B. dangerous C. dangerously D. endanger 13. Which is _____ ocean, the Pacific or the Atlantic? A. large B. larger C. largest D. the largest 14. I think protecting nature is _____ thing we can do. A. important B. more important C. the most important D. most important 15. The forest _____ thousands of kinds of plants. A. is home to B. is home of C. is home for D. is home at 二、用所给单词的适当形式填空（共15题） 1. The _____ (amaze) animals in the zoo attracted many children. 2. Air _____ (pollute) is a serious problem in big cities. 3. We should take action for _____ (environment) protection. 4. The _____ (danger) snake hid behind the rock. 5. She is _____ (wonder) at singing and dancing. 6. The panda is one of the _____ (cute) animals I have ever seen. 7. Many trees were _____ (cut) down by the workers. 8. The government provides _____ (protect) for endangered animals. 9. The _____ (nature) park is open to the public every day. 10. This is the _____ (bad) pollution in the past ten years. 11. Plants need water and sunlight to grow _____ (good). 12. The _____ (pollute) river smells terrible. 13. We should think about _____ (plant) more trees. 14. The forest is home to many _____ (amaze) creatures. 15. Which animal is _____ (fast), the horse or the tiger? 三、完形填空（共8题） There are many amazing plants and animals in the world. The blue whale is 1_____ largest animal on Earth. It can grow up to 30 metres long and weigh over 170 tons. The cheetah is the 2_____ land animal. It can run at a speed of 120 km per hour. However, many amazing animals are now 3_____ danger. Human activities like cutting 4_____ trees and polluting rivers are destroying their homes. For example, pandas 5_____ in the forests of China. People cut down bamboo forests, 6_____ pandas have less food to eat. We must do something to 7_____ these animals. We should 8_____ about the importance of protecting nature. Every small action can make a big difference! 1. A. a B. an C. the D. / 2. A. fast B. faster C. fastest D. the fastest 3. A. on B. in C. at D. with 4. A. off B. down C. up D. in 5. A. live B. lived C. living D. lives 6. A. so B. because C. but D. or 7. A. save B. protect C. kill D. hurt 8. A. think B. think of C. think about D. think over 学科网（北京）股份有限公司 $ UNIT 4 / Amazing Plants and Animals Big Question: What makes plants and animals amazing? 📖 课文梳理 本单元围绕「神奇的动植物」展开，探讨自然界中动植物的独特之处和生存智慧。通过阅读不同种类的动植物特征，学生将了解生物多样性的重要性，并思考如何保护自然环境。 结构：认识神奇动植物 -> 了解动植物特征 -> 探讨保护环境的重要性 -> 学习描述动植物的语言表达。 📚 重点词汇（含词族拓展） Welcome to the unit & Section A amazing /əˈmeɪzɪŋ/ adj. 令人惊奇的；惊人的 词族拓展：amaze (v. 使惊奇) -> amazing (adj.) / amazed (adj. 感到惊奇的) -> amazingly (adv.) The plants in the forest are amazing! 森林里的植物太神奇了！ I was amazed at the beautiful flowers. 这些美丽的花让我很惊奇。 plant /plɑːnt/ n. 植物；工厂 v. 种植 词族拓展：plant (n./v.) -> planting (n. 种植) -> planter (n. 种植者) Trees are the tallest plants on Earth. 树是地球上最高的植物。 We planted some flowers in the garden. 我们在花园里种了一些花。 animal /ˈænɪml/ n. 动物 词族拓展：animal (n.) -> animal kingdom 动物王国 搭配：wild animals 野生动物 / pet animals 宠物 / sea animals 海洋动物 Many animals live in the forest. 很多动物生活在森林里。 insect /ˈɪnsekt/ n. 昆虫 词族拓展：insect (n.) -> insecticide (n. 杀虫剂) Bees are very useful insects. 蜜蜂是非常有用的昆虫。 protect /prəˈtekt/ v. 保护 词族拓展：protect (v.) -> protection (n. 保护) -> protective (adj. 保护的) 搭配：protect...from/against 保护……免受…… We should protect the environment. 我们应该保护环境。 Protect yourself from the strong sunlight. 保护自己免受强阳光伤害。 The forest provides protection for animals. 森林为动物提供保护。 Mother bears are very protective of their babies. 熊妈妈非常保护自己的幼崽。 environment /ɪnˈvaɪrənmənt/ n. 环境 词族拓展：environment (n.) -> environmental (adj. 环境的) -> environmentally (adv.) 搭配：protect the environment 保护环境 / natural environment 自然环境 We need to protect our natural environment. 我们需要保护自然环境。 Environmental protection is very important. 环境保护非常重要。 pollute /pəˈluːt/ v. 污染 词族拓展：pollute (v.) -> pollution (n. 污染) -> polluted (adj. 被污染的) Factories should not pollute the rivers. 工厂不应该污染河流。 Air pollution is a serious problem. 空气污染是一个严重的问题。 The polluted water is bad for our health. 被污染的水对我们的健康有害。 danger /ˈdeɪndʒə(r)/ n. 危险 词族拓展：danger (n.) -> dangerous (adj. 危险的) -> dangerously (adv.) 搭配：in danger 处于危险中 / out of danger 脱离危险 Many animals are in danger. 很多动物处于危险中。 Tigers are dangerous animals. 老虎是危险的动物。 save /seɪv/ v. 拯救；节省；储蓄 搭配：save one's life 救某人的命 / save money 省钱 / save time 节省时间 We should try to save the pandas. 我们应该努力拯救大熊猫。 We can save water by taking shorter showers. 通过缩短淋浴时间可以节约用水。 nature /ˈneɪtʃə(r)/ n. 自然；大自然 词族拓展：nature (n.) -> natural (adj. 自然的) -> naturally (adv.) We should get close to nature. 我们应该亲近大自然。 It is natural for birds to fly. 鸟会飞是很自然的。 forest /ˈfɒrɪst/ n. 森林 The forest is home to many animals. 森林是很多动物的家园。 Rainforests are very important to the Earth. 雨林对地球非常重要。 ocean /ˈəʊʃn/ n. 海洋 The ocean covers most of the Earth. 海洋覆盖了地球的大部分。 There are many amazing animals in the ocean. 海洋里有很多神奇的动物。 wonderful /ˈwʌndəfl/ adj. 精彩的；绝妙的 词族拓展：wonder (n./v.) -> wonderful (adj.) -> wonderfully (adv.) The natural world is wonderful! 自然世界太奇妙了！ We had a wonderful time in the forest. 我们在森林里度过了美好的时光。 ✏词汇配套练习 📝 练习一：用所给词的适当形式填空（词形转换） 1. The _____ (amaze) animals in the ocean attract many visitors. 2. We should pay more attention to _____ (environment) protection. 3. The river is _____ (pollute) by the factory waste. 4. It is _____ (danger) to swim alone in the deep sea. 5. The forest _____ (protect) the soil from being washed away. 6. Many wild animals lose their _____ (nature) homes. 7. The story about the plant was truly _____ (wonder). 8. The government takes action for the _____ (protect) of wildlife. 【参考答案】 1. amazing 2. environmental 3. polluted 4. dangerous 5. protects 6. natural 7. wonderful 8. protection 📝 练习二：选词填空 amazing protect environment pollute danger nature forest save 1. We should do our best to _____ the earth from pollution. 2. The _____ scenery in the park took my breath away. 3. Air _____ makes it hard for us to breathe. 4. Many wild animals are in _____ because of human activities. 5. It is important to keep the _____ clean. 6. The _____ is home to thousands of plants and animals. 7. We can _____ water by turning off the tap. 8. It's _____ to see so many different kinds of birds here. 【参考答案】 1. protect 2. natural 3. pollution 4. danger 5. environment 6. forest 7. save 8. amazing 🔗 重点短语（含详解） in danger 处于危险中 表示处于危险的境地。反义词组：out of danger（脱离危险）。 Many animals are in danger of dying out. 很多动物面临灭绝的危险。 The little girl was in danger, but the firefighter saved her. 小女孩处于危险中，但消防员救了她。 protect...from... 保护……免受…… 表示保护某人/某物免受伤害或损害。类似结构：protect...against... We should protect animals from being hurt. 我们应该保护动物免受伤害。 Trees protect the soil from being washed away. 树木保护土壤不被冲走。 cut down 砍倒；减少 作为「砍倒」时指砍伐树木；作为「减少」时指降低数量或频率。 People cut down too many trees. 人们砍伐了太多的树。 We should cut down the use of plastic bags. 我们应该减少塑料袋的使用。 think about 考虑；思考 相当于consider，后接名词、代词或动名词。 Think about what you can do for the environment. 想想你能为环境做些什么。 I am thinking about planting a tree. 我在考虑种一棵树。 be famous for 因……而著名 famous = well-known，表示以某种特征或事物出名。同义短语：be known for。 This forest is famous for its amazing plants. 这片森林以其神奇的植物而闻名。 China is famous for the giant pandas. 中国以大熊猫而闻名。 millions of 数百万的 类似短语：hundreds of / thousands of / billions of。注意：前面有具体数字时，million不加s。 Millions of people visit the forest every year. 每年有数百万人参观这片森林。 There are millions of stars in the sky. 天空中有数百万颗星星。 ✏短语配套练习 📝 练习三：用方框中短语的适当形式填空 in danger protect...from cut down think about be famous for millions of 1. We should _____ the environment _____ pollution. 2. Many wild animals are _____ because of habitat loss. 3. People _____ too many trees for farming. 4. Please _____ the importance of saving water. 5. This area _____ its beautiful natural scenery. 6. _____ people come to the national park every year. 【参考答案】 1. protect...from 2. in danger 3. cut down 4. think about 5. is famous for 6. Millions of 📐 语法精讲 + 配套练习 一、形容词最高级（Superlatives） 一、形容词最高级用于三者或三者以上之间的比较，表示「最……」的意思。最高级前一般要加定冠词the。 构成规则： (1) 单音节词和部分双音节词：在词尾加 -est tall -> tallest / short -> shortest / fast -> fastest (2) 以e结尾的词：直接加 -st large -> largest / nice -> nicest (3) 以重读闭音节结尾，末尾只有一个辅音字母：双写该辅音字母再加 -est big -> biggest / hot -> hottest / thin -> thinnest (4) 以「辅音字母 + y」结尾：改y为i再加 -est happy -> happiest / easy -> easiest / heavy -> heaviest (5) 多音节词和部分双音节词：在词前加 most amazing -> most amazing / dangerous -> most dangerous / wonderful -> most wonderful 不规则变化（中考必考）： good/well -> best / bad/badly -> worst / many/much -> most / little -> least / far -> farthest/furthest 常用句型结构： the + 最高级 + 比较范围: This is the tallest tree in the forest. 这是森林里最高的树。 one of the + 最高级 + 名词复数: The panda is one of the most famous animals. 大熊猫是最著名的动物之一。 the + 序数词 + 最高级: The Yangtze River is the third longest river. 长江是第三长河。 📝 练习四：用所给形容词的适当形式填空（最高级） 1. The blue whale is the _____ (large) animal in the world. 2. This is the _____ (beautiful) garden I have ever seen. 3. Which is the _____ (dangerous) animal in the forest? 4. The cheetah is the _____ (fast) land animal on Earth. 5. Summer is the _____ (hot) season of the year. 6. She is one of the _____ (good) students in our class. 7. This is the _____ (bad) pollution I have ever seen. 8. Mount Qomolangma is the _____ (high) mountain in the world. 9. The panda is one of the _____ (cute) animals. 10. This plant is the _____ (amazing) one in the forest. 【参考答案】 1. largest 2. most beautiful 3. most dangerous 4. fastest 5. hottest 6. best 7. worst 8. highest 9. cutest 10. most amazing 📋 Unit 4 综合训练 一、单项选择（共15题） 1. The blue whale is _____ animal in the world. A. large B. larger C. largest D. the largest 2. Pandas are one of _____ animals in China. A. famous B. more famous C. the most famous D. most famous 3. We should _____ the environment from pollution. A. protect B. pollute C. prevent D. prepare 4. Many wild animals are _____. We need to save them. A. in trouble B. in danger C. in safety D. in peace 5. The cheetah runs _____ among all land animals. A. fast B. faster C. fastest D. the fastest 6. Trees _____ the soil from being washed away. A. provide B. protect C. prevent D. pollute 7. People should not _____ too many trees. A. cut off B. cut down C. cut up D. cut in 8. Summer is the _____ season of the year. A. hot B. hotter C. hottest D. most hot 9. The Amazon Rainforest is _____ its amazing biodiversity. A. famous for B. famous as C. famous to D. famous in 10. _____ of people visit the national park every year. A. Million B. Millions C. A million D. Million of 11. The river is _____. We cannot drink the water. A. pollute B. polluting C. polluted D. pollution 12. It is _____ to swim alone in the deep sea. A. danger B. dangerous C. dangerously D. endanger 13. Which is _____ ocean, the Pacific or the Atlantic? A. large B. larger C. largest D. the largest 14. I think protecting nature is _____ thing we can do. A. important B. more important C. the most important D. most important 15. The forest _____ thousands of kinds of plants. A. is home to B. is home of C. is home for D. is home at 【参考答案】 1. D 2. C 3. A 4. B 5. D 6. B 7. B 8. C 9. A 10. B 11. C 12. B 13. B 14. C 15. A 二、用所给单词的适当形式填空（共15题） 1. The _____ (amaze) animals in the zoo attracted many children. 2. Air _____ (pollute) is a serious problem in big cities. 3. We should take action for _____ (environment) protection. 4. The _____ (danger) snake hid behind the rock. 5. She is _____ (wonder) at singing and dancing. 6. The panda is one of the _____ (cute) animals I have ever seen. 7. Many trees were _____ (cut) down by the workers. 8. The government provides _____ (protect) for endangered animals. 9. The _____ (nature) park is open to the public every day. 10. This is the _____ (bad) pollution in the past ten years. 11. Plants need water and sunlight to grow _____ (good). 12. The _____ (pollute) river smells terrible. 13. We should think about _____ (plant) more trees. 14. The forest is home to many _____ (amaze) creatures. 15. Which animal is _____ (fast), the horse or the tiger? 【参考答案】 1. amazing 2. pollution 3. environmental 4. dangerous 5. wonderful 6. cutest 7. cut 8. protection 9. natural 10. worst 11. well/best 12. polluted 13. planting 14. amazing 15. faster 三、完形填空（共8题） There are many amazing plants and animals in the world. The blue whale is 1_____ largest animal on Earth. It can grow up to 30 metres long and weigh over 170 tons. The cheetah is the 2_____ land animal. It can run at a speed of 120 km per hour. However, many amazing animals are now 3_____ danger. Human activities like cutting 4_____ trees and polluting rivers are destroying their homes. For example, pandas 5_____ in the forests of China. People cut down bamboo forests, 6_____ pandas have less food to eat. We must do something to 7_____ these animals. We should 8_____ about the importance of protecting nature. Every small action can make a big difference! 1. A. a B. an C. the D. / 2. A. fast B. faster C. fastest D. the fastest 3. A. on B. in C. at D. with 4. A. off B. down C. up D. in 5. A. live B. lived C. living D. lives 6. A. so B. because C. but D. or 7. A. save B. protect C. kill D. hurt 8. A. think B. think of C. think about D. think over 【参考答案】 1. C (the) 2. C (fastest) 3. B (in) 4. B (down) 5. A (live) 6. A (so) 7. B (protect) 8. C (think about) 学科网（北京）股份有限公司 $