中小学教育资源及组卷应用平台
Unit 13 We’re trying to save the earth!Section B 3a-Self check 导学案
班级： 姓名：
科目： 授课教师：
学习目标 1. 通过观看视频和图片，能够正确地回答问题，能够根据图片说出地球遭遇的环境问题，能够说出造成环境问题的原因，能够说出拯救地球的方法和措施。2.根据2d对话，能够用情态动词说出保护环境的措施，能够把2d对话改写成一篇介绍保护环境的文章。能够正确地完成3a笔记，通过3b写作提示，能够写出一篇文章介绍自己周围环境以及环境问题和解决办法，完成写作任务。3.能够结合本单元的环境问题和环保措施，再写一篇描述污染、环境保护和循环再利用的文章；通过写作练习，来培养学生爱护环境和保护动物的意识。
学习重难点 重点：1. 能够完成有关环保主题的书面表达。2. 能够掌握派生词的用法和构词规律。3. 能够识别句子结构，熟练掌握现在进行时，现在完成时，被动语态，情态动词和used to的用法。难点：学生能结合本单元的环境问题和环保措施，完成写作任务。
自学指导 自学检测及课堂展示
课前预习 选词填空1．The students____________air pollution by walking to school last term.2．Your help has_____________. I understand the work better now.3．All the people in the kingdom___________the magic cloth before the king saw it.4．Pollution____________our health. So we must protect our environment.5．"The food ________you though it tastes awful," my mother said to me.6．Last Friday we had a sports meeting. I__________the basketball match.7．They said they_____________to protect the environment already.8．It seems unfair to make him______________everything.9．Five and eleven______________to sixteen. Is it right 10．First of all, I____________an apology for a mistake I made last week.
情景导入 Let's enjoy a video and answer the questions. 1.How is the environment around us Our environment is ______________________________.2.What kinds of environmental problems do you know II.Do you know what causes the pollution
学习理解 I.What made our earth ugly 略II.Let’s have a discussion.What can we do to save the earth III.Read 2d, rewrite the sentences in it with“should/can/had better/must…”.略IV.Look and write.How to protect our environment
应用实践 I.Let’s have a discussion.Is it a nice place Why or why not What are the problems Discuss in groups.II.3a.Think about the environment in your town/city and complete the chart below.Which parts of the town/city have a nice environment Why are they nice Which parts need to be improved Why III.3b.Write a letter to the city mayor about the problems and your suggestions.In your letter, describe the environmental problems in your town/city.What are the problems Where are they What or who is causing these problems Then, give suggestions or possible ways to solve the problems.IV.Do you know how to write the writing 写作指导写作模板好的句子范文欣赏 V.Talk about your passages according to the assessments on the right.略
迁移创新 I.写作任务写一封书信，信中首先要介绍你所在城市存在有哪些环境问题，是谁造成的这些问题，然后提出解决这些环境问题的方法和措施，可以结合3a中列举的问题和前面学过的解决办法来完成这封信。II.Do you know how to write the writing 1.【审清题目】2.Environmental problems3.What caused the environmental problems 4. How to solve the problem of the environment 5.Outline.6.范文欣赏7.Peer-editing.略III.Look and say. 略IV. Self check1 Write different forms of the words. Then add more to each group. 2 Match each statement with the grammar structure. 3 Write ways to cut down on these kinds of pollution.
作业 Review the new words and expressions in Unit 13.Polish your writing according to your group members’ advice.Preview the new words and expressions in Unit 14.
【参考答案】
课前预习 参考答案：cut down 2．made a difference 3．had heard of 4．is harmful to is good for 6．took part in 7．had taken action 8．pay for 9．add up 10．will/am going to begin with
情景导入 I.Let's enjoy a video and answer the questions. Do you know what causes the pollution
学习理解 I.What made our earth ugly II.Let’s have a discussion. III.Read 2d, rewrite the sentences in it with“should/can/had better/must…”. IV.Look and write.
应用实践 I.Let’s have a discussion.Is it a nice place Why or why not What are the problems Discuss in groups. II.3a.Think about the environment in your town/city and complete the chart below.Which parts of the town/city have a nice environment Why are they nice Which parts need to be improved Why III.3b.Write a letter to the city mayor about the problems and your suggestions.In your letter, describe the environmental problems in your town/city.What are the problems Where are they What or who is causing these problems Then, give suggestions or possible ways to solve the problems.IV.Do you know how to write the writing V.Talk about your passages according to the assessments on the right.
迁移创新 I.写作任务写一封书信，信中首先要介绍你所在城市存在有哪些环境问题，是谁造成的这些问题，然后提出解决这些环境问题的方法和措施，可以结合3a中列举的问题和前面学过的解决办法来完成这封信。II.Do you know how to write the writing III.Look and say. Let’s care for our city and make it a better place!IV. Self check1 Write different forms of the words. Then add more to each group. 2 Match each statement with the grammar structure. 3 Write ways to cut down on these kinds of pollution.
作业 略
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 （共 2 页）
HYPERLINK "http://www.21cnjy.com/" 21世纪教育网(www.21cnjy.com)中小学教育资源及组卷应用平台
Unit 13 Section B 3a-Self check分层作业
一、完成句子
1．熬夜到很晚对你的健康有害。
Staying up too late ________ ________ ________ your health.
2．那幢旧房子上周被拆除了。
The old building was ________ ________ last week.
3．我们应该充分利用好我们自己的金钱。
We should ________ our own money ________ ________ ________.
4．甚至河底都充满垃圾。
Even ________ ________ ________ the river was full of rubbish.
5．城里的每个人都应当尽一份力把它清理干净。
Everyone in town should ________ ________ ________ in cleaning it up.
6．你们是怎样处理塑料袋的？
How do you deal with ________ ________
7．那个小女孩的父母决定待在家里不出去了。
The girl’s parents have decided to stay home________ ________ going out.
8．当你离开教室的时候, 应该随手关灯。
You ________ ________ ________ the lights when you leave the classroom.
9．说比做更容易。
________ said than________.
10．行动胜于言辞。
Well, ________ speak louder than ________.
二、句型转换
11．Nothing is a waste if you have a creative mind.(改为同义句)
________is a waste if you ________ ________a creative mind.
12．We can see more popular works in the art museum. (改为被动句)
More popular works ________ ________ ________ in the art museum by us.
13．Everyone can protect the environment by doing something special in the daily life.(对画线部分提问)
_______ _______ everyone _______ the environment in the daily life
14．It is hard for people to stop driving cars. (改为同义句)
________ ________ ________ cars is hard for people.
15．We need to save the earth because it is the only home to us.(对画线部分提问)
________ ________ we ________to save the earth
三、单项选择
16．Something ________ to protect the sharks because many of them are endangered now.
A．must do B．must done
C．must be done D．have been done
17．﹣An AI robot _____in our school dining hall next term．
﹣I'm looking forward to it．
A．will use B．will be used C．is used D．was used
18．—These boxes are still useful now. Don’t ________.
—All right.
A．throw away B．throw them away C．threw away D．throw it away
19．—Julie, what ________ in your hand
—Look! It’s a new iPad for my daughter.
A．do you hold B．are you holding
C．were you holding D．will you hold
20．Mary is used to ________ of everything she does. Over time, all the things she does will be in order.
A．take notes B．put on C．taking notes D．putting on
21．Photos can ________ lots of good memories to people.
A．look like B．turn into C．bring back D．give back
22．I think students should ________ all kinds of activities after class.
A．take part in B．join C．take a part in D．take part to
23．So far this year we________ about half of the road and we are sure that it will be finished on time.
A．have built B．built C．build D．are building
24．The new museum is open from 10:00 a.m. to 5:00 p.m. and _________ by more than one hundred people every day.
A．visits B．visited C．is visited D．was visited
25．Kevin's pet dog was dead. No one could ________ to life.
A．bring it out B．bring it back C．give it out D．give it back
四、完形填空
People usually check whether their keys, purses and phones are with them before going out, but many people in China now have one more important thing to take—a mask(口罩). They hope it can protect them ___26___ terrible air.
Many cities in China saw a lot of foggy days in April. In Beijing, there were eight days in April full of smog. It is dirty air ___27___ looks like a mixture of fog and smoke. The smoke is mainly from cars and factories in cities. Poor air is bad for people's health，___28___ for children and old people. They fell ill easily and the ___29___were full of people. They had problems with their noses and lungs.
So it's necessary ___30___ people from doing so many bad things to the environment. For example, people should use cars less and ___31___ burn lots of coal and gas. Government needs to take measures to make factories stop pouring ___32___waste air into the sky.
Three students from No.4 High School in Beijing ___33___ a report to advise how to protect the environment. They suggested ___34___ people should plant more trees and set off fewer fireworks for celebration.
We hope more people will join us in ___35___ a difference. In this way, the blue sky will certainly return for good.
26．A．in B．from C．for D．at
27．A．that B．/ C．who D．whom
28．A．lucky B．especial C．especially D．luckily
29．A．schools B．gardens C．zoos D．hospitals
30．A．stop B．stopping C．to stop D．stopped
31．A．needn't B．shouldn't C．should D．can
32．A．too many B．many too C．too much D．much too
33．A．wrote B．write C．are writing D．will write
34．A．which B．where C．that D．who
35．A．make B．to make C．made D．making
五、阅读单选
Your ears allow you to hear many different sounds.Some sounds can be pleasant to hear and some are not so pleasant.The louder the sound and the longer you listen to it，the more possible it is to cause damage(损害) to your hearing.
Some sounds not only harm your hearing，but also can make it hard to pay attention while reading or doing homework and prevent you from falling asleep.It is important that you learn about sound and how to identify(辨认) when it is harmful to you.
Sound is measured in units called decibels(分贝)．The greater the number of decibels，the louder the sound and the more harmful it is to your ears.The sound at 85 decibels and above may harm your hearing.
Nowadays，noise pollution is more and more serious，so you should try to protect your hearing.
◇ Turn down the TV，video game，radio，and music player.
◇ Walk away from sound that is too loud.
◇ Wear hearing protectors when needed.
36．What can we learn from the first paragraph
A．There are two different sounds.
B．All the sounds are pleasant to hear.
C．Some sounds can damage your hearing.
D．It is good for you to listen to louder sounds for a long time.
37．Harmful sounds can ________.
①damage your hearing
②stop you from falling asleep
③keep you from having dinner
④prevent you from paying attention to doing homework
A．①②③ B．①②④
C．②③④ D．①③④
38．The sound at ________ is harmful to your hearing.
A．0 B．60 C．80 D．120
39．The sound of ________ is about 140 decibels.
A．busy city traffic B．washing machines
C．rocket launch D．fireworks
40．Which of the following is helpful to protect your hearing
A．Turning up the music player. B．Staying in a quiet place.
C．Attending a rock concert. D．Walking on a busy street
Unit 13 Section B 3a-Self check 分层作业答案与详解
一、完成句子
1． is harmful##bad to##for
【详解】根据汉英对照可知，空处缺少“对……有害”的表达，用短语be harmful to或be bad for表示。“Staying up too late”作主语，时态为一般现在时，系动词用is。故填is；harmful/bad；to/for。
2． pulled down
【详解】pull down“拆掉”；主语“The old building ”与pull down是动宾关系，根据“last week”可知此处填过去分词与was构成一般过去时的被动语态。故填pulled；down。
3． put to good use
【详解】此处缺乏“充分利用”，可用结构put sth. to good use，情态动词should后加动词原形。故填put；to；good；use。
4． the bottom of
【详解】固定短语the bottom of“……的底部”。the bottom of the river“河的底部”。故填the；bottom；of。
5． play a role##part
【详解】play a role/part in doing sth.意为“尽一份力，在……起作用”；情态动词“should”后加动词原形。故填play；a；role/part。
6． plastic bags 7． instead of 8． should turn off 9． Easier done 10． actions; words
【解析】6．塑料的，形容词plastic；袋子bag，可数名词，空格前无冠词，用复数形式。故答案填plastic bags。
7．待在家里不出去就是“代替外出”的意思，instead of。故答案填instead of。
8．应该，should，情态动词后跟动词原形；关掉turn off。故答案填should turn off。
9．更容易，形容词比较级easier；做do；因为说said用了动词过去分词形式，所以做也要用动词过去分词形式done。故答案填Easier done。
10．行动，名词action，可数名词；谓语speak用了动词原形，说明名词用了复数形式；言辞word，可数名词，也要用复数形式。故答案填actions words。
二、句型转换
11． Everything don’t have 12． can be seen 13． How can protect 14． To stop driving 15． Why do need
【解析】11．句意：如果你有创新的头脑，没有东西是废品。
同义句的意思可以表达为如果你没有创新的头脑，任何东西都会是废品。if引导的条件状语从句，主句从句时态一致都用一般现在时。任何东西everything；后半句是否定句，否定句结构：主语+be动词/助动词not+其他。根据意思表示你没有，是动词，you是第二人称单数，所以助动词用don’t have。故答案填Everything don’t have。
12．句意：我们在艺术博物馆能看到更多流行的作品。
情态动词被动结构：情态动词+be+动词过去分词。情态动词是can；动词see的过去分词是不规则变化seen。故答案填can be seen。
13．句意：每个人都可以在日常生活中做些特别的事来保护环境。
by doing something special用疑问词how来代替；特殊疑问句结构是疑问词+ be动词/助动词/情态动词+主语+其他，因为原文中有情态动词can，直接把情态动词放到疑问词后，原句中的动词protect用动词原形。故答案填How can protect。
14．句意：对人们来说不开车是很难的。
It is+形容词 for sb. to do sth.句型中真正的主语是to stop driving cars。句子成分分析“……cars is”缺少主语，故直接填上不定式作主语表示停止开车。故答案填To stop driving。
15．句意：因为地球是我们唯一的家所有我们需要保护地球。
because it is the only home to us.表示原因要用疑问词why代替；特殊疑问句结构是疑问词+ be动词/助动词+主语+其他，原文中的动词need要用助动词帮忙，we是第二人称复数形式，所有助动词用do，助动词后的动词need用原形。故答案填Why do need。
三、单项选择
16．C
【详解】句意：为了保护鲨鱼，有些事情必须去做，因为许多鲨鱼现在濒临灭绝。
考查含有情态动词的被动语态。根据“because many of them are endangered now.”可知应用一般现在时，而主语Something和谓语动词do为逻辑上的动宾关系，应用被动语态，含有情态动词的被动语态的谓语结构为“情态动词+be+ done”，故选C。
17．B
【详解】句意：——下学期我们学校食堂将使用人工智能机器人。 ——我很期待。use 动词，使用；will use一般将来时；is used一般现在时被动语态，was used 一般过去时被动语态；will be used ，一般将来时被动语态。此题中根据next term可知用一般将来时，故排除C，D；机器人是被人们使用的，故用被动语态，故排除A。故选B。
18．B
【详解】句意：——这些盒子现在仍然有用。不要把它们扔掉。——好的。
考查祈使句以及代词辨析。don’t+动词原形构成否定祈使句，排除C选项。此处指不要把这些盒子扔掉，boxes是复数，用代词them指代，故选B。
19．B
【详解】句意：——朱莉，你的手里拿的是什么？ ——看！这是给我女儿的一个新的ipad。
考查动词的时态。根据“Look! It’s a new iPad for my daughter.”可知，手上正拿着ipad，动作正在进行，故用现在进行时态。故选B。
20．C
【详解】句意：玛丽习惯于把她做的每件事都记下来。随着时间的推移，她所做的一切都会井然有序。
考查非谓语动词和动词短语辨析。take notes记笔记；put on穿上。这里是：be used to doing sth.表示“习惯于做某事”，to是介词，后面要跟动名词，排除A/B；根据“Over time, all the things she does will be in order.”可知，玛丽习惯于记笔记。故选C。
21．C
【详解】句意：照片可以给人们带来很多美好的回忆。
考查动词短语。look like看起来像；turn into变成；bring back带来；give back归还。根据“Photos can…lots of good memories to people”以及结合选项可知，照片可以给人们带来回忆。“带来”bring back。故选C。
22．A
【详解】句意：我认为学生们应该在课后参加各种各样的活动。
考查动词辨析。take part in参加，参加活动、比赛等团体性的活动；join指加入组织、团体以及党派；根据“all kinds of activities”可知，此处指的是参加各种活动，应用take part in，故选A。
23．A
【详解】句意：今年到目前为止，我们已经修建了一半的公路，而且我们确信它能准时完工。
考查现在完成时的结构和用法。根据语境表示到目前为止，已经修建好了一半，所以用现在完成时，对现在造成的结果是已经修建好了一半；现在完成时结构是have/has+动词现在分词，we是第二人称复数形式，故用have。故选A。
【点睛】现在完成时指过去发生的动作对现在造成的影响和过去的动作或状态持续到现在并且已经完成；时间状语有so far，lately，recently，ever，never，before，still，just，in the last/past few months/year等；其中关键词since和for，since+时间点=for+时间段；since+一般过去时态的时间状语从句=since+时间点+ago。现在完成时是初中英语的难点和重点。
24．C
【详解】句意：这新博物馆从早上10点到下午5点开放，每天都有100多人参观。
考查一般现在时被动语态。every day每天，一般现在时态；The new museum和参观是被动关系，要用一般现在时被动语态，The new museum是单数，be动词用is。故选C。
25．B
【详解】句意：Kevin的宠物狗死了。没人能使它活过来。
考查动词短语的辨析。bring it out使它显现；bring it back把它带回来；give it out把它分发；give it back把它归还。根据句意可知是把狗狗的生命带回来。故选B。
四、完形填空
26．B 27．A 28．C 29．D 30．C 31．B 32．C 33．A 34．C 35．D
【分析】本文介绍了中国的许多城市的空气都被污染了，造成空气污染的主要因素有两个，开车和煤炭燃烧。很差的空气对身体健康危害很大，特别是对孩子和老人。我们政府正在采取措施防止污染，给人们一个健康的生活环境。
26．句意：他们希望它能保护他们免受可怕的空气污染。A. in在…之中；B. from（表示分离）与…分离；C. for为了；D. at（表示位置）在；结合语境可知，用介词from，protect …from 保护，免于。故选B。
27．句意：脏空气看起来像雾和烟的混合物。本题考查定语从句。先行词air是物，因此用that引导。故选A。
28．句意：很差的空气对人们的健康有害，尤其是对儿童和老人。A. lucky幸运的；B. especial特别的，突出的；C. especially尤其地；D. luckily幸运地。A/B两项是形容词，后面直接修饰名词，排除A/B；结合语境“很差的空气对人们的健康有害，______ 是对儿童和老人。” 可知，应该是尤其。故选C。
29．句意：他们很容易生病，医院里挤满了人。A. schools学校；B. gardens 花园；C. zoos动物园；D. hospitals医院。由句子They fell ill easily他们很容易生病。可知，生病以后得去医院看病，所以是医院里挤满了人。故选D。
30．句意：所以有必要阻止人们做许多坏事来破坏环境。It's necessary to do sth. 固定句型。做某事是必要的。故选C。
31．句意：例如，人们应该少用汽车，不应该燃烧大量的煤和煤气。A. needn't不需要；B. shouldn't不应该；C. should应该；D. can能。结合语境“人们应该少用汽车，_______ 燃烧大量的煤和煤气。”可知，应该是不应该，我们知道燃烧大量的煤和煤气会造成环境污染。故选B。
32．句意：政府需要采取措施使工厂停止向天空排放过多的废气。A. too many修饰可数名词复数；B. many too没有这种用法；C. too much修饰不可数名词；D. much too修饰副词或形容词。air是不可数名词，因此用too much。故选C。
33．句意：来自于北京第4中学的三名学生写了一篇报告建议人们如何去保护环境。由下文的句子They suggested 9 people should plant more trees and set off fewer fireworks for celebration.可知，时态为一般过去时，因此本题的时态也为一般过去时，说明报告是过去写的，因此用过去时。故选A。
34．句意：他们建议人们应当多种树，在庆祝的时候尽量的少放烟花。A. which哪一个；B. where哪里；C. that用于某些动词、形容词和名词后，引出各种从句；D. who谁；结合语境可知，本题是由that引导的宾语从句。故选C。
35．句意：我们希望更多的人加入我们的行列。in为介词，因此后面用动词的-ing形式。故选D。
五、阅读单选
36．C 37．B 38．D 39．D 40．B
【分析】你的耳朵可以让你听到许多不同的声音，有些声音听起来很舒服，有些听起来不那么愉快，声音越响，你听的越久，就越有可能对你的听力造成伤害，这篇文章就向读者介绍了远离噪音的重要性以及推荐做法。
36．句意：我们可以从第一段知道什么？A.有两种不同的声音。B.所有的声音听起来都很愉快。C.有些声音可能会损害你的听力。D.长时间听更响亮的声音对你有好处。原文“The louder the sound and the longer you listen to it，the more possible it is to cause damage(损害) to your hearing.”（声音越大，听到的时间越长，就越有可能对听力造成伤害。）说明有的声音是会损害听力的，C选项正确，故选C。
37．句意：有害的声音可以损害你的听力、阻止你入睡、防止你集中注意做作业。①损害你的听力；②阻止你入睡；③让你不要吃饭；④防止你集中注意做作业。A.①②③；B.①②④；C.②③④；D.①③④。原文“Some sounds not only harm your hearing，but also can make it hard to pay attention while reading or doing homework and prevent you from falling asleep.”（有些声音不仅会损害你的听力，还会使你在阅读或做作业时难以集中注意并阻止您入睡。）说明有害的声音可以损害你的听力、阻止你入睡、防止你集中注意做作业，①②④均有提及，故选B。
38．句意：120的声音对你的听力有害。A. 0；B. 60 ；C. 80；D. 120。原文“The sound at 85 decibels and above may harm your hearing.”（85分贝及以上的声音可能会损害你的听力。）说明120的声音是会对你的听力有害，故选D。
39．句意：烟花的声音约为140分贝。A.繁忙的城市交通；B.洗衣机；C.火箭发射；D.烟花。通过观察文中的图示，发现140对应的是fireworks（烟火），说明烟花的声音约为140分贝，故选D。
40．句意：以下哪项有助于保护你的听力？A.打开音乐播放器。B.住在一个安静的地方。C.参加摇滚音乐会。D.在繁忙的街道上行走。原文“Walk away from sound that is too loud.”（远离声音太大的地方）说明住在安静的地方就是属于远离声音过大的地方，是可以保护听力的，其他的选项均是去到声音大的地方，这是无助于保护听力的，故选B。
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 （共 2 页）
HYPERLINK "http://www.21cnjy.com/" 21世纪教育网(www.21cnjy.com)(共35张PPT)
Unit 13
We're trying to save the earth!
Section B (3a-Self check)
教-学-评一致性写作课示范课
人教新目标版 九年级(下册)
1. 通过观看视频和图片，能够正确地回答问题，能够根据图片说出地球遭遇的环境问题，能够说出造成环境问题的原因，能够说出拯救地球的方法和措施。
2.根据2d对话，能够用情态动词说出保护环境的措施，能够把2d对话改写成一篇介绍保护环境的文章。能够正确地完成3a笔记，通过3b写作提示，能够写出一篇文章介绍自己周围环境以及环境问题和解决办法，完成写作任务。
Learning Objectives
3.能够结合本单元的环境问题和环保措施，再写一篇描述污染、环境保护和循环再利用的文章；通过写作练习，来培养学生爱护环境和保护动物的意识。
Watch and say
Activity 1
Lead to objective 1 test it
评价标准：观看视频回答问题，正确回答第1个问题得2分，共2分。加上下1页，本活动共8分。 我得（ ）分。
Let's enjoy a video and answer the questions.
1.How is the environment around us
2.What kinds of environmental problems do you know
Our environment is ______________________________.
terrible/polluted/getting worse and worse
The earth is badly polluted.
Look and say
Activity 1
Lead to objective 1 test it
评价标准：小组讨论问题根据图片回答问题，正确说出4个污染的名称得4分，说出最后两组图片反应的环境问题得2分，共6分。加上上1页，本活动共8分。 我得（ ）分。
Let’s have a discussion.
2.What kinds of environmental problems do you know
air pollution
waste pollution
water pollution
noise pollution
waste of energy
break the balance of ecosystem
cut down trees
kill animals
Forget to turn off the tap,the shower or the light and waste paper.
Look and say
Activity 2
Lead to objective 1 test it
评价标准：观看图片说出造成污染的原因，正确说出空气污染造成的原因得3分，正确说出水污染造成的原因得2分，共5分。加上下1页，本活动共11分。 我得（ ）分。
Do you know what causes the pollution
air pollution
The factories burn coal , and
the black smoke pollutes the
air
Cars have poured tail gas into the air.
People are smoking in public places.
the water used
to be clean
The factory is putting waste into the river
People are throwing litter into the river
the river is polluted
water pollution
Look and say
Activity 2
Lead to objective 1 test it
评价标准：观看图片说出造成污染的原因，正确说出噪音污染造成的原因得5分，回答最后1个问题得1分，共6分。加上上1页，本活动共11分。 我得（ ）分。
Do you know what causes the pollutions
noise pollution
Square dancing creates noise.
loud music
Machines are working.
Aplane is taking off.
There are more
cars in the neighborhood.
What made our earth ugly
pollution
Look and say
Activity 3
Lead to objective 1 test it
评价标准：根据图片，上下文和汉语完成句子，正确填出1个空格得1分，共4分。本活动共4分。 我得（ ）分。
What made our earth ugly
Because of the pollution, we can't see _________（蓝天）and we can't breathe ___________.（新鲜的空气）
the blue sky
the fresh air
Because of the pollution, ________________________. （水不再清）
the water isn't clean anymore
Because of the pollution, many animals __________(kill). Because of the pollution,more and more animals don’t have places to live in.
were killed
We must think of better ways to help save our planet.
Look and say
Activity 4
Lead to objective 1 test it
评价标准：观看图片正确说出作宣传的4个图的途径得4分；正确说出减少污染的做法前4个图得4分，最后2个图得2分。共10分。加上下1页，本活动共22分。 我得（ ）分。
Let’s have a discussion.
What can we do to save the earth
ways to let people know
hand out notices
make videos
post articles on the
Internet
make speeches
ways to cut down pollution
take the bus, ride a bike or walk instead of driving a car
stop factories from putting
waste into the river and burning coals
Look and say
Activity 4
Lead to objective 1 test it
评价标准：观看图片正确说出减少污染的3个图得3分；正确说出保持生态平衡的做法3个图得3分，节约资源6个图得6分。共12分。加上上1页，本活动共22分。 我得（ ）分。
Let’s have a discussion.
What can we do to save the earth
ways to cut down pollution
use reusable bags instead of plastic bags
don’t take wooden chopsticks or plastic forks
sort garbage
ways to keep the balance of ecosystem
plant more trees
save the animals
stop ocean plastic pollution
ways to save energy
turn off the tap,the shower or the light when not using
Don’t use paper napkins .
Recycle things that we don’t use anymore.
Do you know how to write a passage about how to protect our environment
Look and say
Activity 5
Lead to objective 2 test it
评价标准：再读2d,用情态动词改写划线的句子谈论保护环境的做法，正确改写1个句子得1分，共6分。本活动共6分。 我得（ ）分。
Read 2d, rewrite the sentences in it with“should/can/had better/must…”.
1.We should take the bus or subway instead of driving.
2.We can also ride a bike , it's good for health!
3. We had better bring a bag to go shopping.
4. We should never take wooden chopsticks
or plastic forks when buying takeaway food.
5.We must throw rubbish in the bins and keep
public places clean and beautiful.
6.I think if we work together , our actions can
make a difference and lead to a better future.
How to protect our environment
Can you write an article with this title about how to protect our environment
Look and write
Activity 6
Lead to objective 2 test
How to protect our environment
Firstly , we should take the bus or subway instead of driving, we can also ride a bike , it’s good for health ! Secondly, we had better bring a bag to go shopping and never take wooden chopsticks or plastic forks when buying takeaway food. Thirdly/Lastly, we must throw rubbish in the bins and keep public places clean and beautiful.
Nowadays our environment is becoming worse and worse. As a student , we must try our best to do everything to protect our environment.
I think if we work together , our actions can make a difference and lead to a better future.
Nowadays our earth is badly polluted. As a student , we must try our best to do everything to save our earth.
评价标准：把改写的句子写成保护环境的短文，写出开头得2分，改写的前5个句子用连接词成第2段得3分，改写的第6个句子为最后1段得1分。本活动共6分。 我得（ ）分。
Pre-writing
Look and say
Lead to objective 2
Let’s have a discussion.
Is it a nice place Why or why not What are the problems Discuss in groups.
Central Park
rubbish
disposal(处理)
areas
评价标准：根据上页图片谈论城市好的环境和不好的环境在表格里作笔记，正确写出1个原因得1分，每个地方最多写出5条原因，共10分。本活动共10分。 我得（ ）分。
Pre-writing
Activity 7
Lead to objective 2 test it
3a
Think about the environment in your town/city and complete the chart below.
Which parts of the town/city have a nice environment Why are they nice
Which parts need to be improved Why
Central Park
clean
greenery绿色植被
fresh air
nice to look at
quiet and
peaceful
rubbish disposal areas
at the bottom of apartment blocks
rubbish spilling (溢出) out of bins
bad smells
unsightly(不雅观)
unhealthy
full of pests(害虫) like rats, insects, cockroaches
While writing
Activity 8
Lead to objective 2 test it
评价标准：根据3a笔记和3b写作提示写1封书信，描述城市环境问题，什么原因造成的这些问题以及给出的建议，按照要求写出文章最多得15分。本活动共15分。 我得（ ）分。
3b
Write a letter to the city mayor about the problems and your suggestions.
In your letter, describe the environmental problems in your town/city.
What are the problems
Where are they
What or who is causing these problems
Then, give suggestions or possible ways to solve the problems.
I think that ...
We should/could ...
I suggest ...
While writing
Activity 8
Lead to objective 2 test it
评价标准：根据3a笔记和3b写作提示写1封书信，描述城市环境问题，什么原因造成的这些问题以及给出的建议，按照要求写出文章最多得15分。本活动共15分。 我得（ ）分。
写作指导
1. 人称: 第一人称为主；
2. 时态: 一般现在时态为主，根据实际并用多种时态；
3. 文体：应用文（书信）
4. 常用句型：
① There is/are...
② I think that…
③ We should/ could…
④ I suggest…
5. 写作思路:
本次写作内容是一封书信，信中首先要介绍你所在城市存在有哪些环境问题，是谁造成的这些问题，然后提出解决这些环境问题的方法和措施，可以结合3a中列举的问题和前面学过的解决办法来完成这封信。
While writing
Activity 8
Lead to objective 2 test it
评价标准：根据3a笔记和3b写作提示写1封书信，描述城市环境问题，什么原因造成的这些问题以及给出的建议，按照要求写出文章最多得15分。本活动共15分。 我得（ ）分
写作模板
解决办法
详述问题
开篇点题
I have lived in this town ever since I was born and I love this town very much.
I think that there are beautiful areas in this town, but there are also areas that aren’t attractive, like the rubbish disposal areas at the bottom of our apartment blocks.…
We could try to ask people to produce less rubbish. I suggest that rubbish collectors collect rubbish more often as well. ...
表达观点
I believe that a better environment can be …
While writing
Activity 8
Lead to objective 2 test it
评价标准：根据3a笔记和3b写作提示写1封书信，描述城市环境问题，什么原因造成的这些问题以及给出的建议，按照要求写出文章最多得15分。本活动共15分。 我得（ ）分
好的句子
Everyone in this town should play a part in cleaning it up.
To cut down air pollution, we should take the bus or subway instead of driving.
The river used to be so clean.
Let’s take action now!
All these small things can add up and become big things that can improve the environment.
While writing
Activity 8
Lead to objective 2 test it
评价标准：根据3a笔记和3b写作提示写1封书信，描述城市环境问题，什么原因造成的这些问题以及给出的建议，按照要求写出文章最多得15分。本活动共15分。 我得（ ）分
范文欣赏
Dear Sir/Madam,
I have lived in this town ever since I was born and I love this town very much.
I think that there are beautiful areas in this town, but there are also areas that aren’t attractive, like the rubbish disposal areas at the bottom of our apartment blocks. There is rubbish coming out of the bins, and flies, cockroaches and rats running all over the rubbish. It is unpleasant to look at, smelly, and it makes the environment very unhealthy.
The problem is that the rubbish collectors do not come often enough to collect the rubbish. The people living here may also be throwing away too much rubbish.
We could try to ask people to produce less rubbish. I suggest that rubbish collectors collect rubbish more often as well.
I believe that a better environment can be created in this town and we should all work together to achieve it.
Yours faithfully,
Wang Xi
While writing
Activity 8
Lead to objective 2 test it
评价标准：根据3a笔记和3b写作提示写1封书信，描述城市环境问题，什么原因造成的这些问题以及给出的建议，按照要求写出文章最多得15分。本活动共15分。 我得（ ）分
Talk about your passages according to the assessments on the right.
项目 标准 自我评价 同伴评价
结构（3分） 段落合理 （2 分）
衔接自然 (1分)
内容（8分） 要点1:城市的环境问题（2分）
要点2:你的建议（3分）
要点3:呼吁（1分）
拓展合理 (2分)
语言（3分） 词汇丰富 (1分)
句法正确 ，语言优美( 2分)
卷面（1分） 书写工整（ 1分）
While writing
Activity 9
Lead to objective 3 test it
评价标准：根据3a笔记和3b写作提示再写1封书信，描述城市环境问题，是谁造成的这些问题以及给出的建议，按照要求写出文章最多得15分。本活动共15分。 我得（ ）分
写一封书信，信中首先要介绍你所在城市存在有哪些环境问题，是谁造成的这些问题，然后提出解决这些环境问题的方法和措施，可以结合3a中列举的问题和前面学过的解决办法来完成这封信。
【写作任务】
内容：环境问题，产生原因，解决措施
文体：应用文
时态：一般现在时
人称：第一人称
【审清题目】
评价标准：根据3a笔记和3b写作提示再写1封书信，描述城市环境问题，是谁造成的这些问题以及给出的建议，按照要求写出文章最多得15分。本活动共15分。 我得（ ）分
While writing
Activity 9
Lead to objective 3 test it
Environmental problems
water pollution
air pollution
…
noise pollution
评价标准：根据3a笔记和3b写作提示再写1封书信，描述城市环境问题，是谁造成的这些问题以及给出的建议，按照要求写出文章最多得15分。本活动共15分。 我得（ ）分
While writing
Activity 9
Lead to objective 3 test it
What caused the environmental problems
Problems
pollution
waste of
energy
break the balance
of ecosystem
waste water
waste gas
plastic bags
…
forget to turn off the light
or shower …
cut down too
many trees
kill the animals
…
the environment around us is becoming worse and worse…
we can't see…
The air is so…
评价标准：根据3a笔记和3b写作提示再写1封书信，描述城市环境问题，是谁造成的这些问题以及给出的建议，按照要求写出文章最多得15分。本活动共15分。 我得（ ）分
While writing
Activity 9
Lead to objective 3 test it
How to solve the problem of the environment
How to save the earth
should/
can …
had
better ...
It’s necessary /
important to …
ride bikes or walk instead of…
…
turn off the light /shower
…
keep the balance of ecosystem,
plant more trees, …
the little things in
daily lives
Cut down the pollution
Save the energy
other
ways
government
and public
We should...
We’re supposed to ...
We can...
It’s important/necessary to...
We’d better...
We’re trying to...
评价标准：根据3a笔记和3b写作提示再写1封书信，描述城市环境问题，是谁造成的这些问题以及给出的建议，按照要求写出文章最多得15分。本活动共15分。 我得（ ）分
While writing
Activity 9
Lead to objective 3 test it
Outline
Para. Idea Expression
1 自我介绍及写信目的 I’m...
I like this city, but the environment around here is getting worse and worse.
2 展开叙述：环境问题，原因以及治理措施 With the …, there are too many…
Cars have made…
I think that governments should…
I suggest everyone in…
We should call on…
3 表达希望 I hope the environment in our city gets better and better.
评价标准：根据3a笔记和3b写作提示再写1封书信，描述城市环境问题，是谁造成的这些问题以及给出的建议，按照要求写出文章最多得15分。本活动共15分。 我得（ ）分
While writing
Activity 9
Lead to objective 3 test it
Dear Mayor,
I’m glad to write this letter to you. I’d like to talk about the environment in our city.
Our city is not as beautiful as before. Environmental problems are becoming more and more serious. The river is dirtier. People are throwing litter into the river or in public places like parks. This is turning beautiful places into ugly ones. Factories are putting waste into the river and they burn coal, which also pollute the air with a lot of black smoke. And most of us ride in cars to school even if they live close to school. I think it is time to play a part in saving the earth.
First of all, we should let more people know the importance of environmental protection. We’re supposed to save water and energy in our daily life. Second,to cut down air pollution, we should ride a bike or walk to school instead of riding in cars. If it’s far, we can take the bus or subway. Third, we shouldn’t throw litter here and there. We should put it in the bins. As for waste pollution, we should never take wooden chopsticks or plastic forks when buying takeaway food. We can also use reusable bags instead of plastic bags. What’s more, the government should close down the factories that are putting waste into the river or giving out a lot of black smoke.
The earth is our home and we have the duty to take care of it for ourselves. So I hope that you can take my advice. Thank you.
problems
causes
solutions
评价标准：根据3a笔记和3b写作提示再写1封书信，描述城市环境问题，是谁造成的这些问题以及给出的建议，按照要求写出文章最多得15分。本活动共15分。 我得（ ）分
While writing
Activity 9
Lead to objective 3 test it
Peer-editing
项目 标准 自我评价 同伴评价
结构（3分） 段落合理 （2 分）
衔接自然 (1分)
内容（8分） 要点1:当今的环境问题（2分）
要点2:你的建议（3分）
要点3:呼吁（1分）
拓展合理 (2分)
语言（3分） 词汇丰富 (1分)
句法正确 ，语言优美( 2分)
卷面（1分） 书写工整（ 1分）
Post writing
Look and say
Lead to objective 3
Let’s care for our city and make it a better place!
Post writing
Activity 10
Lead to objective 3 test it
1 Write different forms of the words. Then add more to each group.
Self Check
v.— n.
pollute ---
act ---
protect---
inspire ---
build ---
create ---
pollution
action
protection
inspiration
building
creation
n.— adj.
fame ---
wood ---
science---
health ---
south ---
care ---
famous
wooden
scientific
healthy
southern
careful
评价标准：根据要求写出动词变名词名词变形容词的形式，正确写出1个单词得0.5分，共6分。加上下1页，本活动共15分。 我得（ ）分。
Post writing
Activity 10
Lead to objective 3 test it
1 Write different forms of the words. Then add more to each group.
Self Check
adj.— n.
different ---
important---
adj. — adv.
slow ---
wide ---
sudden ---
real ---
slowly
widely
suddenly
really
difference
importance
评价标准：根据要求写出单词的对应形式，正确写出1个单词得0.5分，共9分。加上上1页，本活动共15分。 我得（ ）分。
v.— n.
n.— adj.
educate—
meet—
paint—
education
meeting
painting
wool—
north—
wind—
woolen
northern
windy
silent—
patient—
absent—
silence,
patience,
absence
actual—
quick—
sure—
actually
quickly
surely
Post writing
Activity 11
Lead to objective 3 test it
Self Check
2 Match each statement with the grammar structure.
评价标准：读每个句子正确匹配句子的时态语态等，正确匹配出1个句子得1分，共5分。，本活动共5分。 我得（ ）分。
Statement Grammar
The river used to be so clean. Present progressive
We have seen many changes in the environment. Modal verbs
People should take public transportation more. Passive voice
The river is polluted by factories. used to
The air pollution is getting worse and worse. Present perfect
Post writing
Activity 12
Lead to objective 3 test it
3 Write ways to cut down on these kinds of pollution.
Self Check
评价标准：根据所给的污染类型写出减少污染的方法，正确写出1个方法得1分，共4分。，本活动共4分。 我得（ ）分。
stop factories from throwing waste into rivers.
Try not to use plastic bags when shopping
Cut down the number of cars.
Reduce the number of factories that burn coal.
Self-evaluation
本节课共121分 ，我共得（ ）分。
我的评价等级（在等级括号内打钩）：
获得至少100分 ，优秀（ ）；
获得至少90分 ，良好（ ）；
获得至少80分 ，合格（ ）。
【学后反思】
一、完成自我评价表：
1.本节课我写了作文有___________篇，能完全写完的作文有：___________________________________________________篇; 还不能写完的有：___________________________________________________________________________篇
2.对我有帮助的学习方法有（请在括号里打钩）：
( )(1)能通过老师的写作指导，学会了写作文
( )(2)通过自己评价修改作文和同伴批改作文，学会了和同学合作
( )(3)通过本节课得作文练习，知道了以后写作文从什么地方下笔
( )(4)通过本节课学习，知道了想写好作文，要积累一些重要句型等。
Homework
Review the new words and expressions in Unit 13.
Polish your writing according to your group members’ advice.
Preview the new words and expressions in Unit 14.
谢谢
21世纪教育网（www.21cnjy.com)
中小学教育资源网站
兼职招聘：
https://www.21cnjy.com/recruitment/home/admin
