仁爱英语九年级unit2topic1学案教案
仁爱版九年级上Unit2 topic1二单元话题一(英语教案)
Unit 2 Saving the Earth（Topic 1 Pollution has caused too many problems.）一、单元概述1．掌握Topic1中出现的生单词和短语。
2．重点句型：（1）I went there two years ago. There were lots of flowers and grass.（2）What has happened here?（3）Oh, what a mess!（4）There are several chemical factories pouring waste water into the stream.（5）Noise is harmful to humans’ health.（6）Many teenagers in America can hear no better than 65-year-old people do.（7）It not only disturbs others but also does great harm to people’s hearing.3．语法：现在完成时（III）4．学会用英语谈论健康状况以及作比较。
二、重难点知识讲解（一）重点单词和短语1．mess n. 肮脏；杂乱；困境（前常用不定冠词a修饰）be in a mess 乱七八糟；处境窘迫The room is in a mess.这个房间乱七八糟。
make a mess 把……弄得乱七八糟e.g.The children have made a mess in the house.孩子们把屋里弄得乱七八糟。
get into a mess 遇到困境；遇到麻烦e.g.If your company gets into a mess, what will you do? 如果你公司遇到困境，你会怎么做？2．shame n.羞耻，羞愧[U]；遗憾[C]e.g.She felt a deep sense of shame.她深感羞耻。
(英语教案)仁爱版英语九年级上册unit2教案
仁爱版英语九班级上册unit2教案教案要面对全体同学，关注每个同学的情感，激发他们学习英语的爱好，挂念他们建立学习的成就感和自信念，使他们在学习过程中开展综合语言运用力量，下面是我给大家整理的仁爱版英语九班级上册unit2教案5篇，期望对大家能有所挂念!仁爱版英语九班级上册unit2教案1Unit1TheDevelopingWorldTopic1ChinahasdevelopedrapidlyInrecentyears.SectionAThemainactivityis1a.本课重点活动是1a。
Ⅰ.Teachingaimsanddemands教学目标1.Learnsomenewwordsandaphrase:proper,bytheway,bell,grandpa,chairwoman,grandson2.Learnausefulsentence:Theregoesthebell.3.Learnthepresentperfecttense:(1)Rita,youhavejustcomebackfromyourhometown.(2)—Wherehaveyoubeen,Jane —IhavebeentoMountHuangwithmyparents.(3)—Bytheway,where’sMaria —ShehasgonetoCubatobeavolunteer…4.Taltthechildren’svacationexperiences.Ⅰ.Teachingaids教具录音机/小黑板/同学的旅游纪念照/图片/幻灯片Ⅰ.Five-fingerTeachingPlanStep1Review通过老师询问同学的暑期活动，导入话题，呈现局部生词。
T:Listen!Thebellisringing.Let’sbeginourclass!(老师解释Thebellisringing 等于Theregoesthebell，板书bell，要求同学把握。
仁爱版九年级英语上册Unit2Topic1SectionC教学设计
（一）导入新课
1.教学活动设计：教师通过展示一组关于环境问题的图片，如污染、资源浪费等，引发学生对环保话题的关注，激发学生的学习兴趣。
教学语言引导：“Look at these pictures, can you tell me what is happening to our environment? Do you think it is important to protect our environment? Why?”
3.培养学生积极向上的态度，鼓励学生面对困难和挑战时，保持乐观、勇敢面对。
4.借助本章节的学习，引导学生树立正确的人生观、价值观，使学生认识到人与自然的和谐共处的重要性。
二、学情分析ቤተ መጻሕፍቲ ባይዱ
九年级学生已具备一定的英语基础，但在语言运用、思维能力和情感态度方面仍有待提高。在本章节的学习中，他们对于环境问题有一定了解，但可能缺乏深入的认识和关注。在语言技能方面，学生的听、说、读、写能力发展不均衡，部分学生在口语表达和写作方面存在困难。
3.教师总结：教师针对学生的反思和分享进行总结，强调环保意识的重要性，鼓励学生在日常生活中采取行动，保护环境。
教学语言引导：“In conclusion, I hope you can remember what we have learned and apply it to your daily life. Remember that it’s time to take action to protect our environment!”
五、作业布置
为了巩固本章节所学知识，培养学生的实践能力和创新思维，特布置以下作业：
1.写作练习：请运用本节课所学的被动语态和重点词汇，写一篇关于环保的短文，内容可包括环保问题的描述、解决措施及个人观点。要求：80-100词，语言准确，表达清晰。
仁爱英语九年级上册Unit2Topic1SectionA(1a2)教学设计
三、教学重难点和教学设想
（一）教学重难点
1.重点：本章节的重点在于让学生掌握环保相关的词汇和表达方式，如pollute, protect, global warming, reduce, waste, recycle等，并能运用一般现在时和一般将来时描述环境问题和解决方法。
3.鼓励学生积极参与环保活动，为保护地球家园贡献自己的力量。
4.培养学生团结协作、积极向上的精神风貌，使他们具备面对挑战、解决问题的勇气和信心。
5.培养学生热爱英语，乐于学习，养成良好的学习习惯。
二、学情分析
九年级的学生已经具备了一定的英语基础，他们对英语学习有着较高的兴趣和热情。在此基础上，针对本章节的学习内容，学情分析如下：
5.视频观看：观看一部关于环保的纪录片或短片，并撰写观后感。
设计意图：拓宽学生的知识视野，提高学生的写作能力。
6.小组合作：以小组为单位，设计一份环保宣传海报，要求使用英语描述环保标语和图片。
设计意图：培养学生的团队协作能力，提高学生的创新意识和审美能力。
7.口语作业：与家人或朋友进行一次关于环保的英文对话，讨论环保问题及解决方法。
（二）过程与方法
在本章节的学习过程中，教师将采用以下方法引导学生学习：
1.采用任务型教学法，创设真实的语境，让学生在完成具体任务的过程中，运用所学知识进行交流和合作。
2.利用多媒体教学资源，如图片、视频等，激发学生的学习兴趣，提高学生的听说能力。
3.组织小组讨论，培养学生合作学习的能力，鼓励学生发表自己的观点。
仁爱版九年级英语上册Unit2Topic1SectionB优秀教学案例
（二）问题导向
1.设计一系列问题，引导学生思考和探讨人物描述的重要性，如：为什么我们需要描述人物？描述人物对我们的日常生活有何帮助？
2.提出问题，让学生思考如何准确地使用英语描述人物，如：如何表达一个人的高矮胖瘦？如何描述一个人的眼睛、鼻子和嘴巴？
1.培养学生对英语学习的兴趣和自信心，让他们在学习过程中感受到成就感，从而提高他们的学习积极性。
2.培养学生具备良好的人际交往能力，使他们懂得如何用英语赞美他人，提高他们的综合素质。
3.教育学生关爱身边的人，学会尊重和理解他人，培养他们的同理心和关爱他人的价值观。
4.通过本节课的学习，使学生认识到描述人物的重要性，提高他们在现实生活中观察和描述人物的能力。
2.设计自我评价表，让学生对自己的学习态度、参与度和成果进行评价，培养他们的自我管理能力。
3.教师对学生的学习过程和成果进行评价，关注他们的进步和成长，及时给予反馈和鼓励。
4.组织学生进行同伴评价，让他们互相评价和学习，共同提高英语水平。通过以上教学策略的实施，相信学生能够更好地掌握描述人物的知识和技能，提高英语实际应用能力，并培养良好的人际交往和情感态度。
3.引导学生学会如何询问和回答人物描述相关的问题，如：What does he/she look like? How old is he/she?
4.通过课堂学习和实践活动，提高学生的英语听说读写综合技能，尤其是听力和口语表达能力。
（二）过程与方法
1.采用任务型教学法，让学生在实际语境中练习英语，提高他们的口语表达能力和团队协作能力。
4.小组合作促进互动与交流：本案例中，我组织了学生进行小组合作，让他们共同完成人物描述的任务。通过小组合作，学生能够互相学习、交流和分享，提高了他们的团队合作和交流能力。此外，小组合作还培养了学生的批判性思维和自我反思能力，使他们能够更好地理解和评价他人的观点。
仁爱版九年级英语上册Unit 2 Topic 1 Section A教案
Unit 2 Saving the EarthTopic 1 Section A教案教学目标1.Master some new words and useful expressions：Words and phrases: bee, butterfly, mess, shame, several, pollute, waste, villager, destroy, cut down, goodness, pour, see sb./sth. do sth., see sb./sth. doing sth., cut down, my goodness2. Sentences: What a shame! / What a mess!/ The flowers and grass have gone!/ What has happened here?/ There be sth./sb. doing sth./ There are several factories pouring waste water into the stream./ Everything has changed.3. Grammar: differences between Simple Past and Present Perfect tense.教学重、难点1. Some new words and useful phrases; the present perfect tense2. The present perfect tense教学过程Step 1 Review1. Lead the Ss to discuss the right place for a picnic.A: Where have you been/traveled?B: I have been/ traveled to ...2.go over the present perfect tenseStep 2 Presentation1. Let the Ss discuss where to have a picnic. Encourage them to state the reasons.T: Now work in groups, choose the best place for a picnic and tell the class why you choose that place.Ss…T: OK, tell us where to have a picnic. Why?S1: I think …is the best choice. The air there is fresh. We can fly kites on the grass.T: Kangkang, Jane, Maria and Michael are planning a picnic for Sunday.They will go to the West Hill.2. Present two pictures of the West Hill and describe the changes. Teach the new words and some difficult sentences.3. Point to the bees and butterflies, and then write down the words and phrases on the BbStep 3 Practice1. …怎么样？What about…?2. 看见某人正在做某事see sb doing sth3. 真是一团糟！What a mess!4. 味道很难闻。
仁爱版九年级英语上册Unit2Topic1SectionA教案
Unit 2 Saving the EarthTopic 1 Pollution has caused too many problems.Section AⅠ. Material analysis本课是第二单元第一话题的第一课时。
主活动是1a。
1a通过对比“West Hill”今昔的环境变化，引出本话题的污染问题，巩固现在完成时与一般过去时的用法及区别。
1b要求学生能够听懂一般过去时态和现在完成时态，也就是要分清1b所提及的词语所伴随的时间。
1c则是在阅读之后再找出“西山”所发生的变化。
2通过观察图片内容，结对编对话，描述污染前后的情况，进一步训练学生口头表达能力和对一般过去时和现在完成时的运用能力。
3通过听并记录“动物的生存现状”，了解环境污染带给动物的危害，继续提高学生的听力水平。
任务4的口语表达，培养学生的说的技能，检测对本课的掌握情况。
通过本课的学习，培养学生关注环境问题的意识。
Ⅱ.Teaching aims1.Knowledge aims：掌握本课的重点词汇和短语，巩固一般过去时和现在完成时的用法和区别。
能够用一般过去时和现在完成时描述过去和现在的变化。
正确使用there be sth./sb. doing sth.来表达“有某人/物正在做某事”。
2.Skill aims:能听懂描述环境变化的对话，区别一般过去时和现在完成时的用法。
能理解和运用一般过去时和现在完成时来进行听、说、读、写活动。
3.Emotional aims: (optional)让学生了解环境污染的严重性，并树立环保意识。
4. Culture awareness: (optional)通过课文的学习，让学生了解环境的变化，关注全球的环境问题。
Ⅲ. The key points and difficult points1. Key points:Words and phrases: bee, butterfly, mess, shame, several, pollute, waste, villager, destroy, cut down, goodness, pour, see sb./sth. do sth., see sb./sth. doing sth., cut down, my goodnessSentences: What a shame! / What a mess!The flowers and grass have gone!What has happened here?There be sth./sb. doing sth.There are several factories pouring waste water into the stream.Everything has changed.Grammar: differences between Simple Past and Present Perfect tense.2.Difficult points：正确使用there be sth./sb. doing sth.来表达“有某人/物正在做某事” 。
仁爱版九年级英语上Unit2 Topic1 Section A教学设计(1a-1c)教学设计
Unit2 Topic1 Section A(1a)Ⅰ Analysis of the teaching material1.1 The status and functionThis period is the first lesson of Topic 1, Unit 2, Project English 9A. It is based on the topic that Kangkang will go to the West Hill for a picnic with his friends. Bring out the pollution problems in this topic and learn relative words and phrases by comparing the West Hill’s environmental changes now and in the past.1.2 Teaching objectives and demands1.2.1 Knowledge objectives1)The students can maser some new words and expressions as: bee, butterfly, mess, shame, several, pour, pour, waste, see sb./ sth. do sth., see sb./ sth. doing sth.…2)The students can use there be sb./sth. doing sth. properly.1.2.2 Skill objectives1)The students can understand the description of the environmental changes through listening，and distinguish the usages of the Simple Past tense and the Present Perfect tense.1.2.3 Emotional objectivesThe students can realize the seriousess of environmental pollution and know the importance of environmental protection .1.3 Teaching key and difficult points1.3.1 Key points1)Words and phrases: bee, butterfly, mess, shame, several, pollute, waste, pour, see sb./sth. do sth., see sb./sth. doing sth.…2)Sentences: What a shame! / What a mess!The flowers and grass have gone!What has happened here?There be sb../sth. doing sth.There are several factories pouring waste water into the stream.Everything has changed.3)Grammar: differences between the Simple Past tense and the Present Perfect tense.1.3.2 Difficult points1)To use there be sb./sth. doing sth. properly.2)To distinguish see sb./sth. do sth. and see sb./sth. doing sth.Ⅱ Analysis of the studentsStudents in Grade Nine have some cognitive abilities and their own opinions. They are not satisfied with just the content of the textbooks but hope to get more information and widen their eyesight through textbooks. Therefore，we should not teach the knowledge directly but in a way students can take part in learning by themselves and communicate and cooperate with others, in which they can experience, practice and explore by themselves. So teachers should pay more attention to combine the reality of the students and the topic of the textbook to arouse students’ interest to make them find, gain and use the information they need. Meanwhile, teachers should create a open, harmonious and interactive atmosphere in the teaching environment，where students can exchange their opinions, discuss, cooperate and act and make dialogs freely, thus inspiring students’ potentials，getting knowledge through autonomous and cooperative studying, forming their own way of studying English and improving their English study.Ⅲ Analysis of the teaching methodsThe Task-based learning method and the Situational teaching method can increase the class efficiency, arouse the students’ learning interest and make the students learn about teamwork.Ⅲ Learning strategies4.1 Previewing before class is a good way of learning.4.2 Reading the listening material and predicting before listening are good learning habits.4.3 It is helpful to retell the statements in the dialog.Ⅲ Teaching aidsThe multimedia teaching system, chalks, blackboard, some gifts and PPT.Ⅲ Teaching proceduresFive teaching stages：Stage 1 Lead-in (3-5 mins)Stage 2 Pre-listening 10-12mins)Stage 3 While-listening (10-12 mins)Stage 4 Post-listening (10-12 mins)Stage 5 Assigning homework (3-5 mins)Stage 1 Lead-inStep 1 GreetStep 2 learn the new words.Purpose: Students can concentrate on the interesting topic and master the new words .Stage 2 Pre-listeningStep 1 Step 2 learn the new words.Purpose: Students can reading the new words .Stage 3 While-listeningStep 1 Listen to 1a, check the answers in 1b.Step 2 Let students read la aloud and understand the content of 1a.Step 3 listen again and finish the table in 1c independently.. Purpose: Students can master the new words and expressions and consolidate the usage of the Simple Past tense and the Present Perfect tense. Students can know how to express now and the past differently and solve the difficult points. Students’ listening abilities will be improved . What’s more, students will be ready for speaking and retelling.Stage 4 Post-listeningStep 1 Watch a video of 1a, then practice the dialog in groups. Later ask one group to present in classStep 2 Understand the importent phrases.Step 3 Do some related exercises together in class..Purpose: Students can get more detailed information through readingg，consolidate and make good use of what they have learned and develop their abilities of reading and speaking. To help students realize the importance of environmental protection. To prepare for the senior high school entrance examination by combining the oral practice and written exercises.Stage 5 Assigning homeworkStep 1 Sum up the important words, phrases and sentences together.Step 2 Assign the homework.1. Read 1a.2. Finish Section A in your workbook.3. Preview Section B. Purpose: Students will get consolidations by summary. Finish exercises and consolidate the abilities of speaking and using English..Ⅲ Blackboard designⅢ Teaching reflectionThe activities in class cover all the key and difficult points of this lesson, and they are designed as a chain, so the former one will be helpful for the next. The students’ performance in those activities and exercises can tell the teacher how well they have learnt about this lesson, so the teacher can plan the following lessons better. With the help of the various teaching and learning methods, the students’ learning interest and initiatives are aroused. And their ability of using English to communicate is also improved.。
仁爱版九年级英语上册Unit2Topic1SectionD教学设计
2.学生在阅读过程中，对文章深层含义的理解可能存在困难，需要教师引导运用阅读策略，提高阅读理解能力。
3.学生在小组讨论中，可能存在观点表达不清、沟通不畅的问题，教师应适时给予指导，提高学生的口语表达和沟通能力。
2.教师提出问题：“What are the environmental problems in the pictures? How do these problems affect our lives?”，引导学生思考环境问题对人类生活的影响。
3.学生分享自己对环境问题的看法，教师总结并引出本节课的主题：Protecting the environment.
2.调查活动：学生分组进行一次关于环保的调查，可以选择学校、家庭或社区作为调查对象。调查内容包括：环境问题的现状、人们的环保意识、采取的环保措施等。调查结束后，每组整理数据，撰写调查报告，并在下一节课上进行分享。
3.观看视频：教师推荐一部关于环保的纪录片或电影，让学生课后观看，并要求学生撰写观后感，谈谈自己对环保的认识和感悟。
4.家庭作业：结合本节课所学，让学生与家长一起探讨家庭生活中的环保问题，并提出切实可行的解决方案。要求学生将讨论结果整理成文字，家长签字确认。
5.课后阅读：推荐一本关于环保的英文书籍，要求学生课后阅读，并摘抄其中的优美句子和观点，以便在课堂上与同学分享。
6.课堂反馈：请学生在课后反思本节课的学习过程，总结自己在语法、词汇、阅读和口语表达等方面的收获和不足，并提出改进措施。
（二）教学设想
1.创设情境：通过展示环境问题的图片和视频，让学生直观地感受到环境问题的严重性，激发学生的学习兴趣和探究欲望。
仁爱版初中英语九年级上册Unit2 Topic 1 Section A教学设计方案
注：1.得分为自评、互评、教师评总分之均值;
2.“我这样评价我自己”、“伙伴眼里的我”以及“老师的话”都是针对课堂学习情况的概括性评判和描述。
2.课堂小组协作学习评价系列表
表三：小组成果汇报评价表（折合成30分）
注：1.本表针对该生所在小组作评价，对该生的评价还需要在小组内进行分配。
对于每个小组都有N 张这种评价表，取所有评价表的均值作为对该小组的评价得分。
2.本表分为定量和定性评价两部分；
3.本定量评价表满分为100分，在加入总分时需进行折合；
4.定性评价部分，听完汇报后我的问题是评价者在听取他组汇报时所想到的问题，评价意见是对被评小组的优点及需要改进之处作评价，以作该小组改进之用。
3.学习感受（20）
上完本次课，你有什么感受？收获了哪些？你觉得自己还可以做那些改进？比如在小组合作方面，比如在课堂参与方面，比如在练习方面……？
[教师根据学生反思深度给分]
4.学生总体活动统计表
表四：定量评价量表。
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Unit 2 Topic 1一、知识目标【重要短语】stand /improve / protect the environment 忍受/改善/保护环境 produce terrible gas 产生难闻的气味 manage to do sth. 设法做某事 in a good / bad mood 情绪好/差 feel uncomfortable 感到不舒适 pour waste into river 把废水倒入河里 something useful 有用的事物 be harmful to sb. / sth. 对某人/某物有害 the look of our cities 城市面貌 see fish swimming 看到鱼儿游来游去 at present 目前 shout at sb. 对某人大喊大叫；斥责某人 stop making so much noise停止发出如此大的噪音disturb others 打扰别人a kind of pollution 一种污染be sorry for doing sth 对做了某事感到抱歉from now on 从现在起in noisy conditions 在吵杂的条件下 become deaf 变聋了quite a few 相当少no better than （几乎）与……一样差 cause high blood pressure 引发高血压 in strong, changeable light在强烈、易变的光线下【重点句型】1. It is difficult for me to breathe. 对我来说很难呼吸。
2. ----How long have you been like this? 你处于这样的状态多久了？----I have been like this since last month. 自从上个月以来我一直这样。
3. It is a beautiful place with flowers and grass. 那是个有花、有草的美丽的地方。
4. All the flowers, grass and fish have gone ! 所有的花、草和鱼儿都没有了！5. It smells terrible. 难闻极了。
6. There are several chemical factories pouring waste water into the river.有几座工厂正往河里排放污水。
7. It ’s our duty to protect the environment. 保护环境是我们的职责。
8. I have been at this school since last year / for one year .自从去年，我在这个学校了。
/ 我来到这个学校有一年了。
9. Noise is a kind of pollution and it is harmful to our ears.噪音是一种污染，对我们的耳朵有害。
【重要语法】现在完成时中延续性的动作或状态和由for / since 引导的一段时间状语搭配使用。
a)“for + 时间段” 与 “since + 时间点” 都表“一段时间”，常用How long 提问。
如: ----How long have you been like this?----I have been like this since last month./ for a month.----How long have you lived in Changle?----I have lived in Changle for ten years / since ten years ago.b) 如句中含有非延续性动词，则改为相应的延续性动词或状态。
如：I bought this TV three days ago.= I have had this TV for three days.His cat died yesterday.= His cat has been dead since yesterday.※常见的非延续性动词转换成延续性动词如下：come—be here; go—be there; close—be closed; open—be open;buy—have; borrow —keep; leave—be away; begin—be on;finish—be over; die—be dead etc.【词形变换】produce(名词) ——producerbreathe (名词)——breathmanage (同义词)——trysoil (近义词)——earthwaste (反义词)——saveharm (形容词)——harmfuldie (名词)——death (形容词)death (形容词)——deaddownstairs (反义词)——upstairspleasant (反义词)——unpleasantchange (形容词)——changeable二、要点讲评1.I can’t stand the environment here. 我无法容忍这儿的环境。
stand 表“容忍；忍受”，后接名词、代词及动名词做宾语。
如：I can’t stand that man, he talks too much. 我忍受不了那个人了，他话太多了。
Can you stand the pain? 你能忍得住痛吗？I can’t stand waiting any longer. 我再也等不了了。
2.What do you mean by sth. ?某物是什么意思呢?= What’s the meaning of sth ? = What does sth. mean?3.I hope I can move from here soon. 我希望我能早点从这儿搬走。
当主从句主语一致时，常可转换成不定式短语= I hope to move from here soon. 我希望早点从这儿搬走。
4．There are several chemical factories pouring waste water into the river.有几座工厂正往河里排放污水。
There be + sb. / sth. + doing sth. 表有某人/ 某物正在做某事。
如：There are some birds singing in the tree. 树上有些鸟儿在歌唱。
There is a little girl crying in the street. 街上有个小女孩在哭。
5．stop doing sth. 停止做（正在进行的）事stop to do sth. 停下来去做（另一件）事如：It’s late. They will stop working and (stop) to have supper.很迟了。
他们将停下来吃晚饭。
The students stopped talking and to listen to the teacher. 学生们停止说话去听课。
6．I’m sorry for making so much noise. 很抱歉我弄出这么大的噪音。
be sorry for doing sth. 表对做过的事感到抱歉be sorry to do sth. 表对当前的事感到抱歉如：I’m sorry for waking you up yesterday. 很抱歉昨天把你弄醒了。
I’m sorry to trouble you. 很抱歉打扰你了。
I’m sorry to hear that. 听到那个（消息）感到很遗憾。
7．…,not all people know that noise is also a kind of pollution.并不是所有的人都知道噪音也是一种污染。
not 与both、all 、every 以及 every 的派生词连用时，表部分否定。
如：Not everybody knows this secret. 不是人人知道这个秘密。
Nobody knows this secret. 没有一个人知道这个秘密。
I do n’t know all (of) your names. 你们的名字我并不都知道。
I know none of your names. 我不知道你们所有人的名字。
8. Recently it was reported that many teenagers in America can hear no betterthan65-year-old people do。
近来据报道，美国许多青少年的听力和65岁的老人一样差。
no better than…表“同……(几乎)一样差; 不比……做得好”如: Lucy did no better than Lily in the exam. 露西和莉莉考得几乎一样糟.= Lucy almost did as badly as Lily in the exam.三、典型例解( )1.—How long _____ you _____ here?—For about two years so far.; studied ; live ; stay ; swimming分析：A 根据答语判断，本题考查带有“for+一段时间”的完成时态。
( ) have known each other _____ ten years ago.分析：D 现在完成时表示从过去某一时刻延续到现在的一段时间，往往用for，since 短语来表示。
for+一段时间，since+过去时间点或从句，所以根据ten years ago选择D项。
( ) is _____ pollution in the world. We must stop it.too much too many分析：B much too 后接形容词、副词; too many 后接可数名词复数; too much 后接不可数名词, pollution 是一个不可数名词，故选B。
( )4.—Is the flower beautiful?—Yes, at _____ it’s _____ the one you bought for me.; as bad as ; no better than; not better ; no worse than分析：D 本题考查at least和no+adj.(比较级)+than，表达的含义是“至少它不比你买给我的（花）差。