【单元一遍过】Unit 2 Saving the Earth 复习课件(共39张PPT)

(共39张PPT)
仁爱版九年级上册
Unit 2 Saving the Earth
目录页
1、单击此处添加标题
2、单击此处添加标题
3、单击此处添加标题
4、单击此处添加标题
5、单击此处添加标题
Learning aims
1.Review the key words, phrases and sentence patterns.
2. Review this unit knowledge and key grammar.
3. Master the topic writing in this unit
Unit 2 Saving the Earth
温习梳理教材
词汇拓展
pollution
painful
production
awfully
terrible
harmful
recently
act
deeply
depth
weigh
different
discovery
discovered
requirement
require sb.to do sth.
unpleasant
including
pour…into…
see sb.doing sth.
cut down
stop doing sth.
make noise
sleep well
can't bear sth./doing sth.
solve this problem
lose one's hearing/have hearing loss
stop to do sth.
no better than…
even though/even if
change into
stop sb./sth.(from)doing sth.
instead of
blow away
focus on
a number of
come into being
die out
on earth
be good for
take away
all over the world＝around the world
plenty of
avoid doing sth.
make some progress in
be bad for…
be covered with
be short of
as a result
hurry up
give up
ought to
shut off
run out
in a bad mood
encourage sb.to do sth.
all sorts of
share…with…
save money
情景交际
It _____ (be) beautiful in the past. Kangkang _______ (go) there two years ago.
The flowers and grass ___________ (go).
Everything _____________ (change).
Mrs. Zhou ____________ (be) like this since last week.
She ______________ (not see) a doctor yet.
was
went
have gone
has changed
has been
hasn’t seen
Simple past 强调过去
Present perfect 强调现在
They are caused
by pollution.
Indefinite pronoun and adverb 不定代词和副词
一、构成。
不定代词、副词是由some, any, no, every与thing, one,
body, where 等构成。
E.g. something, someone, nowhere, anybody等。
二、用法。
1．通常情况下,由some, every加后缀构成的不定代词、
副词常用于肯定句；由any加后缀构成的不定代词、副
词常用于疑问句、否定句中。
E.g. You will find your bag somewhere.
Can you hear anything
2. 注意：当说话人希望得到肯定答复,或是表示建议、请求等意图时,something, somebody, someone也可以用于疑问句中。当要表达“任何人；任何事物”时,anything, anybody, anyone也可以用于肯定句中。
E.g. Would you like something to drink
Anybody can do it except Tom.
somebody, someone, something, somewhere
anybody, anyone, anything, anywhere
none, nobody, nothing, nowhere
everybody, everyone, everything, everywhere
一般情况下用于肯定句
一般情况下用于否定句和疑问句
表否定含义
可用于各种句式
the indefinite pronoun and adverb
(1)________ of us knows how to stop the bad behavior.
(2) I knocked on the door but ___________ answered.
(3) Some of these books are better than__________.
(4) She was driving the car with one hand and wiping the window with the _______.
(5) They are beautiful but I am looking for ___________ useful.
(6) Is there ___________ you can do to help her
(7) There’re 5 000 people living here and almost _________has his/her own car.
(8) He’s cleverer than ____________ I know.
(9) I’ve looked __________ but I can’t find it.
Fill in the blanks using something, anything, others, nobody, everyone, anybody, everywhere, none, other.
Review
None
nobody
others
other
something
anything
everyone
anybody
everywhere
People pour waste water into rivers and lakes.(P30)
waste
v.浪费
n.浪费；废料；废物；垃圾
常用结构：
waste+名词（尤其是时间、金钱）on sth./in doing sth.
在……方面浪费……/浪费……在某事上/做某事
表示一种浪费……的行为时可与不定冠词连用
adj.无用的；废弃的
考点1
教材链接
Although we have built “The Green Great Wall”， we still need to do something to protect the environment.(P35)
although 的意思相当于 though， ， 意为 “ 尽管 ， 虽然 ” ， 用来引导让步状语从句。它所引导的从句不能与并列连词 but, and, so 等连用， 但可以和yet, still 等词连用。
如：Although he lives alone, , he doesn’t feel lonely.
＝He lives alone, , but he doesn’t feel lonely.
虽然他一个人住 ， 但他并不感到孤独。
考点2
教材链接
Although we have built “The Green Great Wall”， we still need to do something to protect the environment.(P35)
如：Though/ Although it was raining, we still went there.
虽然下着 雨 ， 但我们还是去了那里。
It looked as though it might rain at any minute.
看上去好像马上就要下雨了。
It’s hard work , I enjoy it, though.
工作很辛苦 ， 可是我很喜欢。
考点2
教材链接
None of us likes pollution.(P37)
辨析 none ， nothing ， no one 与 nobody
none既可指人也可 指物， ，接 后常接of 短语构成”none of ＋ 名词/ 代词 ” 结构；谓语动词用单复数均可。none用来回答 how many 或 或 how much 引导的问句。
nothing只能指物，不能指人。nothing 不能接of短语
nothing作主语时 ， 谓语动词用单数形式。nothing用来回答what引导的问句。
考点3
教材链接
How can we avoid a serious water shortage (P41)
avoid
avoid sb./sth. 避开某人/避免某事
avoid doing sth. 避免做某事
Try to avoid accidents.尽量防止发生事故。
He avoided answering my questions.他对我的问题避而不答。
考点4
教材链接
discover 指发现本来已经存在但人们还不知道的事物、真理或情况等,如发现元素、电、煤、石油等矿藏以及新星或科学真理等
invent 主要意思是“发明”,指产生前所未有的东西,其对象往往是物质性的,尤指科技上的发明创造
create 指从无到有的“创作”或创作出原本不存在的东西,如艺术品、理论等
Third, we should discover ways to reuse water.(P41)
考点5
教材链接
After all ， we have only one earth.(P46)
辨析 after all ， above all ， first of all ， in all 与 at all
after all “ 毕竟；终究；到底 ” ， 表示让步。
above all “ 尤其是；最重要的是 ” ， 强调要引起特别注意。
first of all “ 首先 ” ， 强调次序。
in all “ 总共；总计 ”
at all “ 根本 ， 丝毫 ” ，与 一般与 not 连用。
not …at all” 根本不 …… ”
考点6
教材链接
高频话题写作指导
Dear friends， ①__________________________________ _______________________________________ As students, we should do something to protect the environment. ②__________________________________ ______________________________________Don't forget to turn off the lights when we leave the room. Second, ③________________ _______________________________________ ①比较级结构more and more serious 的使用体现了环境问题的严重性。
②该句使用了“it's ＋ 形容词 ＋ to do sth.”句型，使文章句式结构更加多样化。
③该句使用了be supposed to do sth.结构，when后面接动词 ing形式，使整句话显得更简洁。
The environmental problems are
getting more and more serious nowadays.
First, it's very important to save
water and energy in our daily life.
we are supposed
to reuse the plastic bags when shopping.
What's more, we shouldn't throw rubbish everywhere. Third, we'd better walk, ride a bike or take the bus when we go out. ④___________________________________________ ___________________________________________________ ⑤______________________________________________ _____________ If we keep doing these things, I believe the environment will be better and better. Let's do it together from now on. the Students' Union ④Last but not least的使用突出了保护环境的重点措施。
⑤感叹句的使用再次强调了保护环境的重要性。
Last but not least, we need to plant more
trees and flowers to make the environment more
How important it is for us to protect the
environment!