Unit 5 Love Mother Nature!单元话题满分范文必背-2024-2025学年七年级英语上册单元重难点易错题精练（仁爱版2024）

Unit 5 Love Mother Nature! 单元话题满分范文必背 1．假如你是李华，请以“My Favourite Season”为题写一篇演讲稿，参加《英语周报》举办的演讲比赛。 提示：1.你最喜欢的季节； 2.该季节的天气状况、景色变化，人们的活动； 3.你喜欢参与的活动。 要求：1.必须包含所有提示要点，可适当增加细节，以使行文连贯； 2.文中不得出现真实的姓名和学校名称等信息； 3.不少于60词，开头和结尾已给出，不计入总词数。 My Favourite Season I am Li Hua. I am happy to give a speech about my favourite season here today. My favourite season is_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ That’s all. Thank you for listening. 【答案】例文： My Favourite Season I am Li Hua. I am happy to give a speech about my favourite season here today. My favourite season is spring, and let me tell you the reasons. I think spring is the best season because it is a beautiful season. There are lots of beautiful flowers in spring, and the weather is not too hot or too cold. People start to do sports outside after a long winter, and some children fly kites. I also like flying kites because I think it is interesting and fun. In spring, I also go to the park to go for a walk. There are many cute and lively animals in the park in spring time. That’s all. Thank you for listening. 【详解】[总体分析] ① 题材：本文是一篇演讲稿； ② 时态：时态为“一般现在时”； ③ 提示：写作要点已给出，考生应注意不要遗漏“提示信息”中“我最喜欢的季节，这个季节的情况介绍，我在这个季节所做的事情”，适当添加细节，并突出写作重点。 [写作步骤] 第一步，表明写作意图； 第二步，具体阐述喜欢的季节是什么，喜欢的原因，以及介绍春季人们的活动情况等； 第三步，书写结语。 [亮点词汇] ①lots of许多 ②go for a walk散步 [高分句型] ①I think spring is the best season because it is a beautiful season.（省略that的宾语从句，because引导的原因状语从句） ②There are lots of beautiful flowers in spring, and the weather is not too hot or too cold.（there be句型，and连接的并列句） 2．保护人类共同的家园——地球，是每个人应尽的责任和义务。我们在生活中的点滴小事上，也能做出自己的贡献。你将参加学校英文报举办的“How to Protect Our Earth?”主题征文活动，请根据图片提示，用英语写一篇文章，谈谈你是如何保护地球的。 注意： 1.词数80以上(开头和结尾已给出，不计入总词数)； 2.不得透露任何个人信息，否则不予评分。 It is everyone’s responsibility to protect the earth well. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ I firmly believe that only with our joint efforts can we make our environment better and better. Let’s take action from now on. 【答案】One possible version: It is everyone’s responsibility to protect the earth well. I also make efforts in my daily life. Firstly, in order to cut down air pollution, I walk to school every day. Although it takes me more time, it does good to my health as well as keeps the air clean. Also, after seeing the serious results of the “white pollution”, I avoid using plastic bags when shopping. Besides, I always remember to turn off the lights to save electricity when leaving a room. Finally, I always write words on both sides of the paper and reuse old textbooks so that few trees are cut down to make paper. I firmly believe that only with our joint efforts can we make our environment better and better. Let’s take action from now on. 【详解】[总体分析] ①题材：本文是一篇材料作文； ②时态：时态为“一般现在时”； ③提示：写作要点已给出，考生应注意不要遗漏提示，并适当添加细节，突出写作重点。 [写作步骤] 第一步，承接短文开头，介绍自己在日常生活中的努力； 第二步，详细介绍保护地球的方法； 第三步，表达自己的感受，并发出呼吁。 [亮点词汇] ①cut down削减 ②avoid doing sth.避免做某事 ③turn off关掉 ④take action采取行动 [高分句型] ①Although it takes me more time, it does good to my health as well as keeps the air clean.（Although引导的让步状语从句）   ②Besides, I always remember to turn off the lights to save electricity when leaving a room.（when引导的时间状语从句） ③Finally, I always write words on both sides of the paper and reuse old textbooks so that few trees are cut down to make paper.（so that引导的目的状语从句） ④I firmly believe that only with our joint efforts can we make our environment better and better.（that引导的宾语从句） 3．假设你是 Bobby，你所在的城市叫做“Sunshine City”，你的英国笔友 James计划明年来你的城市旅行。他在给你的邮件中询问哪个季节更适合旅行。请你根据提示完成回复邮件。 内容包括： 1. 推荐季节； 2. 推荐的理由（该季节的天气、活动、节日等）； 3. 祝福与期待。 要求： 1.词数：80—100左右（开头和结尾已经给出，不计入总词数）； 2. 文中不要出现人名、地名及学校名称等真实个人信息。 Dear James, I am so happy to receive your letter and to know that everything is going well. In your letter, you want to know about the best season to come to Sunshine City. _______________ ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Yours, Bobby 【答案】例文 Dear James, I am so happy to receive your letter and to know that everything is going well. In your letter, you want to know about the best season to come to Sunshine City. I think the best season is autumn. Autumn here starts in September and lasts for three months. It is usually cool and dry. Leaves turn red, yellow or brown. It is nice to see them falling from trees. They make the whole world colorful. People usually go on a picnic at this time of year. The Mid- Autumn Festival falls in this season. It is a time for people to get together and enjoy the full moon at night. People also eat a traditional Chinese food called mooncakes. I hope you can have a nice trip here. I am looking forward to your reply. Yours, Bobby 【详解】[总体分析] ①题材：本文是一封邮件； ②时态：时态以“一般现在时”为主； ③提示：写作要点已给出，考生应注意不要遗漏提示，并适当添加细节，注意字母大小写以及标点符号。 [写作步骤] 第一步、承接已给的开头，推荐季节； 第二步、介绍推荐的理由，如：该季节的天气、活动、节日等； 第三步、表示祝福与期待。 [亮点词汇] ①last for持续 ②go on a picnic去野餐 ③at this time of year每年的这个时候 ④get together聚在一起 ⑤look forward to期待 [高分句型] ①I think the best season is autumn.(省略that的宾语从句) 4．请根据以下提示写一篇题目为“How to protect the Earth”的文章，70～90 词左右。 提示： 1.现状：乱砍树木，乱扔垃圾，使环境变脏，空气变差； 2.不随地扔垃圾； 3.种植树木； 4.骑自行车或乘坐公共汽车出行； 5.适当拓展发挥。 How to protect the Earth The Earth is our home, but __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 【答案】例文： How to protect the Earth The Earth is our home, but people cut down trees and throw litter to make it dirty and the air quality worse. We should stop polluting our Earth and try to make it clean. There are many ways to protect the Earth. First, I think we should not throw away rubbish everywhere. Second, planting trees is a good idea. Trees can make the air clean and make the world beautiful. Third, we should try to ride bikes or take buses. They’re part of our green life. I think we should try our best to protect the Earth. 【详解】[总体分析] ①题材：本文是一篇材料作文； ②时态：时态为一般现在时； ③提示：根据提示内容介绍如何保护地球，适当增加细节。 [写作步骤] 第一步，引出话题； 第二步，详细介绍如何保护地球； 第三步，书写结语。 [亮点词汇] ①throw away扔掉 ②try our best to do sth.尽我们最大的努力做某事 [高分句型] I think we should try our best to protect the Earth. (宾语从句) 5．假设你是Peter，你的叔叔有一个农场。请写一篇短文，介绍一下这个农场。 要点： 1. 农场很大，有许多花和树； 2. 叔叔有20头黑白色的奶牛和50只鸭子； 3. 那座红色的房子是叔叔的家。 要求： 1. 语句通顺、标点正确； 2. 50—60词。 __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 【答案】例文 My name is Peter. My uncle has a large farm. There are a lot of flowers and trees. The scenery there is beautiful. There is a red house which is my uncle’s home. The red house is in the center of the farm. My uncle has 20 black and white cows and 50 ducks. I will go to my uncle’s farm during my summer vacation and I really love my uncle’s farm. How about you? 【详解】[总体分析] ①题材：本文是一篇材料作文； ②时态：时态为“一般现在时”； ③提示：写作要求已经给出，考生应注意不要遗漏，注意大小写，适当添加细节。 [写作步骤] 第一步，开篇点题，引出下文； 第二步，具体阐述叔叔农场的情况； 第三步，书写结语。 [亮点词汇] ①a lot of很多 ②in the center of在……的中心 [高分句型] There is a red house which is my uncle’s home. (定语从句) 6．请以“Let’s Help Animals”为题写一篇70词左右的文章，呼吁人们热爱动物、保护动物。 要点提示： 1.动物是人类的好朋友，人们应该善待动物。 2.分析某些动物濒临灭绝的原因。 3.提出保护动物的方法。 ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 【答案】例文 Let’s Help Animals Animals are our good friends. We should treat them well. But now people kill too many of them for their meat. People also cut down many trees and destroy their homes. Animals don’t have a safe place to live in. So they are becoming fewer and fewer. It is not right to kill animals. People should stop killing animals and cutting down trees. More trees should be planted. And some animals can be kept in the zoos. 【详解】[总体分析] ①题材：本文是一篇材料作文； ②时态：时态为“一般现在时”; ③提示：写作要点已给出，考生应注意不要遗漏提示中的内容，适当添加细节，并突出写作重点。 [写作步骤] 第一步，开门见山，直接点明主题——我们要保护动物； 第二步，说明有些动物濒危的原因——主要是人类的某些活动导致的； 第三步，针对前文中的原因，提出保护动物的具体方法。 [亮点词汇] ①too many太多 ②cut down砍伐 ③stop doing sth停止做某事 [高分句型] ①So they are becoming fewer and fewer.（比较级+and+比较级） ②It is not right to kill animals.（it作形式主语） ③More trees should be planted.（被动语态） 7．假如你是李华，你的美国笔友玛丽 (Mary) 听说中国地大物博、山川秀丽、风景迷人，因此暑假要来中国旅游。请你根据下面的提示内容，用英语给玛丽 (Mary) 写一封回信，向她介绍一下中国的黄山 (Mount Huangshan)。 提示内容： 1. 黄山的基本情况介绍； 2. 黄山的特色风景。 写作要求： 1. 短文中不得出现真实的地名、校名和人名； 2. 词数70个左右 (开头和结尾已给出，不计入总词数)。 参考词汇：pay a visit, by plane, pine trees, unique rocks (独特的岩石), scenery (风景) Dear Mary, I’m happy to hear that you are coming to visit China. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ I’m sure you will have a good time here. Yours, Li Hua 【答案】例文 Dear Mary, I’m happy to hear that you are coming to visit China. The Mount Huangshan is one of the most famous mountains in China. It lies in the south of Anhui. Every year, thousands of Chinese and foreigners pay a visit there. You can go there by train or by plane. While climbing the mountain, you can enjoy the sea of clouds, beautiful pine trees and unique rocks around you. What’s more, in the early morning, when the sun rises, the sky looks beautiful. You will never forget the beautiful scenery and fresh mountain air. It’s really a nice place to visit. I am sure you will have a good time there. Yours, Li Hua 【详解】[总体分析] 题材：本文是一篇应用文，为书信作文； 时态：时态为“一般现在时”； 提示：写作要点已给出，考生应注意围绕“信息提示”介绍推荐的名胜、到达的交通方式及景点的特色。 [写作步骤] 第一步，书信问候语，并引出黄山是最著名的山脉之一； 第二步，介绍游览黄山时能欣赏的美景； 第三步，再次总结黄山是个游览的好地方，并结束文章。 [亮点词汇] ①one of the most famous mountains最著名的山脉之一 ②lie in位于 ③what’s more此外 [高分句型] ① ...when the sun rises, the sky looks beautiful. （when引导时间状语从句） ② It’s really a nice place to visit. （使用不定式作定语） 8．假如你叫李平，家里有一个花园，里面有许多种植物，请你根据下面的表格介绍一下你家里的小花园吧! My family garden 红梅 有一朵花苞，闻起来很香…… 龙血树 树根又大又长又粗…… 宝石花 不开花，没有果实…… 建议 买一些植物，植物净化空气，吸收二氧化碳 注意:1. 文中不得出现你的真实姓名和学校名称； 2. 短文须包括所有内容要点，语言通顺，意思连贯，条理清楚，书写规范； 3. 词数80左右，文章开头已写好，不计入总词数。 My family garden My family has a garden. There are many plants in it, such as hong mei, witchford and a dragon tree. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 【答案】参考范文： My family garden My family has a garden. There are many plants in it, such as hong mei, witchford and a dragon tree. Let’s talk about hong mei! I think hong mei has the most beautiful flowers in the world. It has a bud. And it smells so sweet. Then I’ll tell you about the dragon tree! Dragon tree root is big and long and thick. Dragon tree leaves are very thick. Finally, it’s witchford! This name is a bit strange. Though it’s called witchford, it doesn’t blossom, no fruit! My garden is very rich! I suggest you buy some plants, because plants can clean the air and absorb carbon dioxide! 【详解】[总体分析] ①题材：本文是一篇材料作文； ②时态：主要时态为“一般现在时”； ③提示：写作要点已给出，考生应注意不要遗漏“信息提示”中的每一项提示，适当添加细节，并突出写作重点。 [写作步骤] 第一步，表明写作意图是介绍自己家里的花园； 第二步，具体介绍自己家里的小花园，主要从“红梅、宝石花以及龙血树”来介绍； 第三步，表达自己的建议，书写结语。 [亮点词汇] ①talk about谈论 ②such as比如 [高分句型] ①There are many plants in it, such as hong mei, witchford and a dragon tree. (There be句型) ②I suggest you buy some plants, because plants can clean the air and absorb carbon dioxide! (because引导的原因状语从句) 9．地球是我们的家园，为我们提供一切，但是由于人类的活动不断地伤害了我们的家园，保护地球，人人有责。我们要从身边小事做起，一起努力保护地球。写一篇80词左右的短文。 ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 【答案】例文 The Earth is a beautiful planet. There are blue oceans, high mountains, green forests, and different wildlife. More importantly, it provides us everything we need. Without the Earth, everything can’t live. This beautiful planet is our only home. However, we are harming the Earth in many ways. For example, Cutting down trees makes many animals lose their homes, Factories and family burn things to make energy. It pollutes the air and makes many people get ill. We only have one Earth, so we have to protect it. We can start by reducing our carbon footprint, recycling, and supporting green energy. Together, we can ensure that this beautiful planet remains a safe and thriving home for future generations. 【详解】[总体分析] ① 题材：本文是一篇材料作文； ② 时态：时态为“一般现在时”； ③ 提示：根据所给提示完成写作，注意标点符号及大小写等问题，不要犯语法错误。注意上下文之间的逻辑关系，语意连贯。 [写作步骤] 第一步，介绍地球的重要性； 第二步，介绍一些破坏地球的行为； 第三步，呼吁大家保护地球。 [亮点词汇] ① for example比如 ② cut down砍倒 ③ future generation后代 [高分句型] Together, we can ensure that this beautiful planet remains a safe and thriving home for future generations.（宾语从句） 10．大家都知道植物对我们人类、动物以及周围环境都非常重要。假如你叫李华，请你根据以下思维导图的提示，以“Why Are Plants Important”为题从三个方面谈论一下植物的重要性，呼吁大家要爱护花草树木。 要求： 1. 参考提示内容，可适当发挥； 2. 语句通顺，意思连贯，书写工整； 3. 文中不得出现你的任何真实信息； 4. 词数60左右。 Why Are Plants Important Plants are very important for people, animals and the environment. Now let me introduce the importance of plants to you. _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 【答案】例文 Why Are Plants Important Plants are very important for people, animals and the environment. Now let me introduce the importance of plants to you. First, plants give us basic needs. People can eat plants or use them as medicine. Second, when the weather is sunny and hot, you can sit in the shade under a tree. It’s cool. People use wood from trees to build houses and furniture. Third, clothing is also made from trees and plants. Books, paper, pencils and erasers all come from plants. Besides, animals live in the forest and eat the fruit from the trees. What’s more, plants help make the air clean and fresh. The plants cover the soil and can stop the wind. In a word, all living things cannot live without plants. The plants are important. 【详解】[总体分析] ①题材：本文是一篇材料作文； ②时态：时态为“一般现在时”； ③提示：根据所给提示完成写作，不能遗漏信息，以第三人称为主。 [写作步骤] 第一步，开头文章已给，介绍植物的重要性； 第二步，具体阐述从三个方面阐述了植物的重要性：对人类，对动物以及对环境； 第三步，最后再次强调植物的重要性。 [亮点词汇] ①be made from由……制成的 ②What’s more此外 ③help do sth帮助做某事 [高分句型] Second, when the weather is sunny and hot, you can sit in the shade under a tree.（时间状语从句） 学科网（北京）股份有限公司 $$ Unit 5 Love Mother Nature! 单元话题满分范文必背 1．假如你是李华，请以“My Favourite Season”为题写一篇演讲稿，参加《英语周报》举办的演讲比赛。 提示：1.你最喜欢的季节； 2.该季节的天气状况、景色变化，人们的活动； 3.你喜欢参与的活动。 要求：1.必须包含所有提示要点，可适当增加细节，以使行文连贯； 2.文中不得出现真实的姓名和学校名称等信息； 3.不少于60词，开头和结尾已给出，不计入总词数。 My Favourite Season I am Li Hua. I am happy to give a speech about my favourite season here today. My favourite season is_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ That’s all. Thank you for listening. 2．保护人类共同的家园——地球，是每个人应尽的责任和义务。我们在生活中的点滴小事上，也能做出自己的贡献。你将参加学校英文报举办的“How to Protect Our Earth?”主题征文活动，请根据图片提示，用英语写一篇文章，谈谈你是如何保护地球的。 注意： 1.词数80以上(开头和结尾已给出，不计入总词数)； 2.不得透露任何个人信息，否则不予评分。 It is everyone’s responsibility to protect the earth well. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ I firmly believe that only with our joint efforts can we make our environment better and better. Let’s take action from now on. 3．假设你是 Bobby，你所在的城市叫做“Sunshine City”，你的英国笔友 James计划明年来你的城市旅行。他在给你的邮件中询问哪个季节更适合旅行。请你根据提示完成回复邮件。 内容包括： 1. 推荐季节； 2. 推荐的理由（该季节的天气、活动、节日等）； 3. 祝福与期待。 要求： 1.词数：80—100左右（开头和结尾已经给出，不计入总词数）； 2. 文中不要出现人名、地名及学校名称等真实个人信息。 Dear James, I am so happy to receive your letter and to know that everything is going well. In your letter, you want to know about the best season to come to Sunshine City. _______________ ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Yours, Bobby 4．请根据以下提示写一篇题目为“How to protect the Earth”的文章，70～90 词左右。 提示： 1.现状：乱砍树木，乱扔垃圾，使环境变脏，空气变差； 2.不随地扔垃圾； 3.种植树木； 4.骑自行车或乘坐公共汽车出行； 5.适当拓展发挥。 How to protect the Earth The Earth is our home, but __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 5．假设你是Peter，你的叔叔有一个农场。请写一篇短文，介绍一下这个农场。 要点： 1. 农场很大，有许多花和树； 2. 叔叔有20头黑白色的奶牛和50只鸭子； 3. 那座红色的房子是叔叔的家。 要求： 1. 语句通顺、标点正确； 2. 50—60词。 __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 6．请以“Let’s Help Animals”为题写一篇70词左右的文章，呼吁人们热爱动物、保护动物。 要点提示： 1.动物是人类的好朋友，人们应该善待动物。 2.分析某些动物濒临灭绝的原因。 3.提出保护动物的方法。 ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 7．假如你是李华，你的美国笔友玛丽 (Mary) 听说中国地大物博、山川秀丽、风景迷人，因此暑假要来中国旅游。请你根据下面的提示内容，用英语给玛丽 (Mary) 写一封回信，向她介绍一下中国的黄山 (Mount Huangshan)。 提示内容： 1. 黄山的基本情况介绍； 2. 黄山的特色风景。 写作要求： 1. 短文中不得出现真实的地名、校名和人名； 2. 词数70个左右 (开头和结尾已给出，不计入总词数)。 参考词汇：pay a visit, by plane, pine trees, unique rocks (独特的岩石), scenery (风景) Dear Mary, I’m happy to hear that you are coming to visit China. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ I’m sure you will have a good time here. Yours, Li Hua 8．假如你叫李平，家里有一个花园，里面有许多种植物，请你根据下面的表格介绍一下你家里的小花园吧! My family garden 红梅 有一朵花苞，闻起来很香…… 龙血树 树根又大又长又粗…… 宝石花 不开花，没有果实…… 建议 买一些植物，植物净化空气，吸收二氧化碳 注意:1. 文中不得出现你的真实姓名和学校名称； 2. 短文须包括所有内容要点，语言通顺，意思连贯，条理清楚，书写规范； 3. 词数80左右，文章开头已写好，不计入总词数。 My family garden My family has a garden. There are many plants in it, such as hong mei, witchford and a dragon tree. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 9．地球是我们的家园，为我们提供一切，但是由于人类的活动不断地伤害了我们的家园，保护地球，人人有责。我们要从身边小事做起，一起努力保护地球。写一篇80词左右的短文。 ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 10．大家都知道植物对我们人类、动物以及周围环境都非常重要。假如你叫李华，请你根据以下思维导图的提示，以“Why Are Plants Important”为题从三个方面谈论一下植物的重要性，呼吁大家要爱护花草树木。 要求： 1. 参考提示内容，可适当发挥； 2. 语句通顺，意思连贯，书写工整； 3. 文中不得出现你的任何真实信息； 4. 词数60左右。 Why Are Plants Important Plants are very important for people, animals and the environment. Now let me introduce the importance of plants to you. _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 学科网（北京）股份有限公司 $$