课件12张PPT。第五课时：Section B
(3a-Self Check) We’re trying to save the earth!Unit 13 同学们，上一课学习的单词你们都掌握了吗？现在大家来检验一下，点击下面的音频开始听写吧！ We’ll learn about how to write articles about
environment problems and how to improve it.Think about the environment in your town/city and complete the chart below.3aWhich parts of the town/city have a nice environment？Why are they nice？Which parts need to be improved？Why?Write a letter to the city mayor about the problems
and your suggestions.3bIn 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...Self Check 1Write different forms of the words. Then add more to each group. v.—n. n．—adj. adj.—n. adj.—adv.pollute— fame— different— slow—
act— wood— important— wide—
protect— science— sudden—
inspire— health— real—
build— south—
create— care— pollutionfamed/
famousdifferenceslowlyaction/actorwoodenimportance widelyprotection scientificsuddenlyinspiration healthyreallybuilding southerncreativity carefulSelf Check 2Match each statement with the grammar structure.Self Check 3Write ways to cut down on these kinds of pollution.单元知识浓缩
用方框中所给单词或短语的适当形式填空。
There is more and more ___________1 in our world.
A lot of trees are__________2 by people.They can protect our air and they are many animals' homes.The air is polluted because there are too many cars on the road.The factories that burn coal also let out the air with a lot of black smoke.So we should walk or take the bus ___________3 driving the car.And we can ride our bikes.There are some __________4 of bike riding.It is good for health and it doesn't ________5 anything.pollutionmake a difference，ugly，instead of，advantage，litter,
cost，wood，throw，pollution，cut downcut downinstead ofadvantagescost There is too much ________6 and waste in public places.This is turning beautiful places into ________7 ones.I think we should bring some bags when we go shopping.We shouldn't use __________8 chopsticks when we buy takeaway food.And remember _________9 rubbish in the bins and keep public places clean and beautiful.
Our actions can __________________10 and lead us to a better future!litteruglywoodento throwmake a differencemake a difference，ugly，instead of，advantage，litter,
cost，wood，throw，pollution，cut down 本节课主要处理了Self Check部分的练习题。1.熟记本课时的词汇
2.完成本课时的课后作业(ppt+word)课件10张PPT。 单元话题阅读与写作 We’re trying to save the earth!Unit 13 人类是自然环境的产物，自然环境又养育着人类，人类与环境就像鱼和水一样，有着密切的关系，但是目前全球范围的自然环境遭到了严重破坏。保护环境就是保护地球和保护自己。
为了保护人类的摇篮——地球，让我们一起共同努力吧！ 单元话题阅读与写作 The pupils and teachers at Fairfield School think it's necessary to protect the environment! This is what they've been doing.
Growing vegetables
Fairfield School pupils started their own vegetable garden.
Both children and teachers grow vegetables, and then they pick them.In this way, school dinners are more delicious than
ever before.
Recycling
The Fairfield School pupils don't just bring their books to school — they bring their rubbish too! There are recycling
bins (回收箱) in the playground for cans, plastic bottles and paper.
The teachers give a prize every month to the pupil who's tried hardest to recycle.佳篇品读 Finding cleaner ways to get around
Everyone walks or rides a bike to Fairfield School! “It's cleaner to ride bikes than to drive anyway；even the teachers don't use their cars.” says one pupil.
阅读上面短文，根据短文内容，完成表格中的有关信息。protect the environment get/receive a prize by carpicking rubbish写作指导综合上面阅读材料，请你思考：
一、写环保类的文章首先是要介绍环境污染的种类。主要有
_______, ________, _______ and ________ pollution.
二、 其次，周围的很多行为或事物导致环境污染。请你对
每种污染至少写出2条原因：
1. air pollution：__________________________________
2. noise pollution：________________________________
3. water pollution：________________________________
______________________________________________
4. waste pollution: _____________________________________black smoke，smoking cigarettesthe traffic，loud musicwaterairnoisewaste washing clothes in the river, littering in the river, waste water from factoriesusing plastic bags, using throw-away chopsticks三、上文保护环境的三个方法分别是：_________________，
________and____________________________．(填写英语)。
保护环境还有哪些做法？请至少写出三条：
1．_____________________________________________
2．_____________________________________________
3．_____________________________________________take the bus or subway instead of drivingplay a part in cleaning up the rivergrowing vegetablesrecyclingfinding cleaner ways to get aroundreuse the old things 我们生活的地球正面临着巨大的环境压力，如空气污染、水污染、固体废弃物污染、动物濒临灭绝等问题。因此，将环保行动渗透到日常生活是我们每个人的责任。请你选择其中的一个问题，自拟题目，写一篇英语短文，谈谈引起此问题的原因，并讨论公众如何从点滴做起来解决问题，使我们的世界变得更美好。写作实践思路构建自我展示Air Pollution Problem
At present，more and more people pay attention to the environment around us.As we know，the nice environment is good for our life and health. ___________________________
__________________________________________________
__________________________________________________
__________________________________________________
__________________________________________________________________________________________________________
_____________________________________________________
_____________________________________________________
_____________________________________________________ However, there are some kinds
of pollution problems in our life, like air pollution, noise
pollution, water pollution and waste pollution.Now I want
to talk about the air pollution.
The air is badly polluted.Here are some reasons.First，
the factories that burn coal pollute the air with a lot of black smoke.Second，more and more people take cars to school or work.Third，some people smoke.
There are some methods to solve the problem.First of all，___________________________________________________
___________________________________________________
________________________________________________________________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
________________________________________________we should ask the factories to stop giving out black smoke into air. Next，we'd better ride bikes or walk instead of driving to school. The advantages of bike riding or walking are that it's good for health and it doesn't cost anything.If it's far，I suggest we take the bus.(高分句型) Besides，I think smokers shouldn't smoke in public. What's more，it's a good idea to plant more trees and flowers．(高分句型) Planting trees not only makes air cleaner，but also makes our environment more beautiful．(高分句型)Finally，we need to recycle books and paper and stop using paper napkins.That can help us cut down fewer and fewer trees.
I think everyone should play a part in solving the air pollution problem.I'm sure that our actions can make a difference and lead
to a better future. 1、本文内容丰富，采用总分总结构；2、语言丰富，能够大量运用所学的词组。 点评：课件9张PPT。一、语法整合真题练
1．Be quiet! The baby ________. (南充)
A．sleeps B．slept C．are sleeping D．is sleeping
2．Mr. Green ________ to sing an English song at the party
and he sang well.(2017·安徽)
A．was invited B．invited C．is invited D．invitesDA【解析】语法判定法。句意：Mr. Green受邀在这次聚会上唱了一首英语歌曲，并且他唱得很好。句子的主语Mr. Green是动作的承受者，应用被动语态表达，排除B、D；由sang知，“受邀”的动作已经发生过，应用一般过去时态表达，排除C。故选A。3．—Mom, where is my model plane?
—Oh, it ________ to Jenny yesterday.(重庆)
A．is lent B．lends C．was lent D．lent
4．Since we began to use the Internet, our lives ________ a
lot.(2017·江西)
A．change B．had changed
C．will change D．have changed
5．I have travelled a lot. I ________ speak four languages.
(2017·河北)
A．can B．may C．must D．needCDA二、高频考点真题练
6．—Don't throw litter here!—________.(2017·南充)
A．Yes, please B．You're welcome
C．Me, too D．Sorry, I won't【解析】交际法。句意：——不要在这儿扔垃圾！——________。别人不让干某事，你干了，应该表达歉意。故选D。
D7．—The environment is terrible.
—I think it will be even worse ________ the government
takes action to protect it.(2017·烟台)
A．until B．when C．if D．unless
8．We should not ________ trees in order to make our
environment more beautiful.(2017·贵阳)
A．write down B．cut down C．turn downDB【解析】辨析法。句意：为了使我们的环境变得更美，我们不应该________树木。write down写下，记录；cut down砍伐，砍倒；turn down减少，拒绝。空格处指“砍伐”树木。故选B。
9．As a volunteer, the girl wants to visit sick kids in the
hospital ________ them up.(2017·青岛)
A．to cheer B．cheer
C．cheering D．cheered【解析】成分分析法。句意：作为一名志愿者，(这个) 女孩儿想去看望医院里生病的孩子让他们开心。此处为不定式作目的状语。故选A。
A10．—I'm sorry, Miss Green. I left my math book at home.
—It doesn't matter. Please remember ________ it here
tomorrow.(2017·眉山)
A．taking B．to take
C．bringing D．to bring【解析】固定搭配法。句意：——对不起，格林小姐，我把数学书忘在家里了。——没关系的。记得明天把它带来。表达“记得去做某事”，需要用remember to do sth.。带到这儿来要用bring。故选D。D11．These people dress themselves in bloody shark suits. They
tell people ________ shark fins in order to protect
sharks.(2016·临沂)
A．eat B．to eat C．not eat D．not to eat
12．If you can speak English well, you will have a great
________ over others when looking for a job.
(2017·乌鲁木齐)
A．activity B．article C．attention D．advantage
A．write down B．cut down C．turn downDD【解析】辨析法。句意：如果你英语讲得好，在找工作时你会比别人占更大优势。activity活动；article文章；attention注意；advantage优势，优点。故选D。13．—Wow, your sweater is very beautiful!
—Thank you. I bought it two days ago. It _____ me $50.
(2017·凉山)
A．took B．cost C．paid D．spent
14．WeChat (微信)is widely used. ________ the young
________ the old are interested in it.(2017·齐齐哈尔)
A．Either; or B．Neither; nor C．Not only; but alsoBC15．The number of people in the city ________ about
seven million now.(2017·益阳)
A．are B．has C．is【解析】主谓一致法。句意：现在这个城市的人口数量大约是七百万。the number of表示“……的数量”，跟复数名词连用作主语时，中心词是number，谓语动词要用单数。故选C。CUnit 13 第5课时
一、语法整合真题练
1．Be quiet! The baby ________.
A．sleeps B．slept C．are sleeping D．is sleeping
2．Mr. Green ________ to sing an English song at the party and
he sang well.
A．was invited B．invited
C．is invited D．invites
3．—Mom, where is my model plane?
—Oh, it ________ to Jenny yesterday.
A．is lent B．lends C．was lent D．lent
4．Since we began to use the Internet, our lives ________ a lot.
A．change B．had changed
C．will change D．have changed
5．I have travelled a lot. I ________ speak four languages.
A．can B．may
C．must D．need
二、高频考点真题练
6．—Don't throw litter here!
—________.
A．Yes, please B．You're welcome
C．Me, too D．Sorry, I won't
7．—The environment is terrible.
—I think it will be even worse ________ the government
takes action to protect it.
A．until B．when C．if D．unless
8．We should not ________ trees in order to make our environment
more beautiful.
A．write down B．cut down C．turn down
9．As a volunteer, the girl wants to visit sick kids in the hospital
________ them up.
A．to cheer B．cheer
C．cheering D．cheered
10．—I'm sorry, Miss Green. I left my math book at home.
—It doesn't matter. Please remember _____ it here tomorrow.
A．taking B．to take
C．bringing D．to bring
11．These people dress themselves in bloody shark suits. They tell
people ________ shark fins in order to protect sharks.
A．eat B．to eat
C．not eat D．not to eat
12．If you can speak English well, you will have a great ________
over others when looking for a job.
A．activity B．article
C．attention D．advantage
13．—Wow, your sweater is very beautiful!
—Thank you. I bought it two days ago. It ________ me $50.
A．took B．cost C．paid D．spent
14．WeChat (微信)is widely used. ________ the young ________
the old are interested in it.
A．Either; or B．Neither; nor C．Not only; but also
15．The number of people in the city ____ about seven million now.
A．are B．has C．is
答案
一、1.D
2．A 解析：语法判定法。句意：Mr. Green受邀在这次聚会上唱了一首英语歌曲，并且他唱得很好。句子的主语Mr. Green是动作的承受者，应用被动语态表达，排除B、D；由sang知，“受邀”的动作已经发生过，应用一般过去时态表达，排除C。故选A。
3．C 4.D 5.A
二、6.D 解析：交际法。句意：——不要在这儿扔垃圾！——________。别人不让干某事，你干了，应该表达歉意。故选D。
7．D
8．B 解析：辨析法。句意：为了使我们的环境变得更美，我们不应该________树木。write down写下，记录；cut down砍伐，砍倒；turn down减少，拒绝。空格处指“砍伐”树木。故选B。
9．A 解析：成分分析法。句意：作为一名志愿者，(这个) 女孩儿想去看望医院里生病的孩子让他们开心。此处为不定式作目的状语。故选A。
10．D 解析：固定搭配法。句意：——对不起，格林小姐，我把数学书忘在家里了。——没关系的。记得明天把它带来。表达“记得去做某事”，需要用remember to do sth.。带到这儿来要用bring。故选D。
11．D
12．D 解析：辨析法。句意：如果你英语讲得好，在找工作时你会比别人占更大优势。activity活动；article文章；attention注意；advantage优势，优点。故选D。
13．B 14.C
15．C 解析：主谓一致法。句意：现在这个城市的人口数量大约是七百万。the number of表示“……的数量”，跟复数名词连用作主语时，中心词是number，谓语动词要用单数。故选C。
Unit 13 第5课时
Ⅰ.单项选择。
1．I like hiking in the forest because the air is pretty ________．
A．free B．dirty C．polluted D．fresh
2．—I hope there will be less pollution in our city.
—If so，we ________enjoy a more pleasant life.
A．can B．need C．should D．have to
3．—The river near my home ______very clean，but now it's dirty.
—What a pity！
A．used to be B．is used to be
C．used to being D．is used to being
4．—Roy never likes junk food.
—Neither do I．That's probably why I'm becoming ______ now.
A．healthy and weak
B．healthier and healthier
C．weaker and weaker
D．more and more healthily
5．—Your children speak English very well，Jack.
—Thanks.English is very popular.It ____by a lot of people now.
A．speaks B．is spoke C．was spoken D．is spoken
Ⅱ.按要求完成下列句子，每空一词。
6．My suggestion is to throw rubbish in the bins.(改为同义句)
I ________ ________rubbish in the bins.
7．The boss in this factory made the workers work for 12 hours
a day in the past.(改为被动语态)
The workers in this factory ________made ________work for
12 hours a day in the past.
8．When building her house，Amy made good use of all the old
things and rubbish.(改为同义句)
All the old things and rubbish________ ________ ________
________ ________when Amy built her house.
9．My uncle often took a walk here in the past.(改为同义句)
My uncle ________ ________take a walk here.
10．They have seen the film already.(改为否定句)
They ________seen the film________．
Ⅲ.从方框中选择合适的选项补全短文。
Recycling is actually a very easy thing to do.You simply leave your recyclable things out with your rubbish to be picked up each week.(11)________ If just one household recycled everything they could，that would make a big difference in protecting the environment.(12)________Besides recycling，people need to properly get rid of chemicals.(13)________ That can pollute both the air and the water.You need to remember anything you pour on the ground will be in your drinking water in the end.That is how the water cycle works.(14)________ This keeps the air and water safe and clean.
By recycling just one can，you are making a huge difference in protecting the planet.(15)________ That is something you can really be proud of.
A．So,by recycling all that you can, you are helping to save
the earth.
B．By doing this your reduced waste makes a difference to the
environment.
C．You should always bring dangerous waste to a rubbish bank so
it can be recycled or properly dealt with.
D．If every household recycled everything they could，it would
greatly help the planet.
E．Too many people throw their dangerous waste into their rubbish
or pour it on the ground.
答案
Ⅰ.1.D 2.A 3.A 4.B 5.D
Ⅱ.6.suggest throwing 7.were，to 8.were made good use of
9．used to 10.haven't，yet
Ⅲ.11～15：BDECA
