(共21张PPT)
Unit 2 Saving the Earth
Topic2 All these problems are very serious.
Section D
How many environmental problems do you know
Which one do you think is the most serious
What can you do to solve it/ them
Imagine you are one tree.
Please tell us your functions, problems and wishes.
I’m a tree…
People usually cut down…
I wish human beings…
Imagine you are water.
Please tell us your functions, problems and wishes.
I’m water. I used to be …
Factories usually pour …
I wish human beings …
I’m rubbish. _____ likes me, but _______
makes me every day. Many people
throw me _________, this influence the
look of our city. I don’t like it. I wish
people produce as less rubbish as
possible, because dealing with me costs
too much money and takes up a lot of
space. And don’t throw me ________.
Human beings should do _______ they
can to recycle me.
anywhere, nobody, everywhere, everything, everyone
Nobody
everybody
everywhere
anywhere
everything
Fill in the blanks.
take up 占去，占用（时间或空间）
E.g. Doing housework takes up most of my
mother’s weekend.
My little brother’s toys took up much space
of his bedroom when he was young.
recycle 回收， 再循环
E.g. Many people are thinking about new ideas
to recycle the rubbish.
Which kind of rubbish can be recycled
The rubbish produced every day has become a serious
problem. Watch the following program and answer some
questions.
How do people usually deal with the rubbish
Is it a good way or not Why or why not
（影片）
Listen to the tape and fill in the blanks.
People in Britain produce about 430 million tons of waste every year, and put about 85 of the waste into the land. This harms the environment and takes up a lot of . It’s difficult to find land to put the garbage in. At the same time, dealing with the waste too much money.
Every year, people in Hong Kong produce about 5 million tons of waste. Of all the garbage, about
35 percent can be recycled while the can’t.
The garbage produced every day has become
a problem around the world. How shall we deal with it
percent
space
new
costs
rest
serious
（录音）
Read 1a again and then mark True (T) or False (F).
1. In Britain, people produce about 5 million tons of waste
every year.
2. People in Britain put about 85 percent of the waste into the
land every year.
3. Lots of rubbish only takes up a little space.
4. In Hong Kong, about eleven twentieths of the rubbish can’t
be recycled.
5. Rubbish has become a serious problem around the world.
( F )
( T )
( F )
( F )
( T )
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。
Grammar focus
None of us likes pollution.
Don’t spit anywhere in public.
Everyone should care for wild animals and plant more trees.
We should do everything we can to protect the environment.
（录音）
Indefinite pronoun and adverb
不定代词和副词
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
Grammar focus
Indefinite pronoun and adverb
不定代词和副词
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.
Grammar focus
Indefinite pronoun and adverb
不定代词和副词
三、none 和 no one 的区别。
no one只能指人，不跟of 短语结构;可以回答 who引导的
问句。
none既可以指人又可以指物，常跟of 短语结构使用；可以回
答how many& how much引导的疑问句。
E.g. – Who is waiting for you outside
– No one/Nobody.
E.g. – How many stamps do you have now
– None.
Grammar focus
根据句意用适当的不定代词或副词填空。
As we know, _______ of us likes pollution.
Don’t spit _______ in public.
________ should care for wild animals and
plant more trees.
We should do _______ we can to protect the
environment.
none
anywhere
Everyone
练 兵 场
everything
1. —Which would you like to drink, tea or coffee
—________, thanks. I’m not thirsty.
A. Either B. Neither C. Little D. Few
2. The students are doing some cleaning. Some
are sweeping the floor, ________ are cleaning the
desks and chairs.
A. other B. the other C. another D. others
3. My parents are ________ doctors.
A. both B. all C. either D. neither
( B )
( D )
( A )
练 兵 场
4. There is ________ with my computer. I can’t work on.
A. wrong anything B. anything wrong
C. wrong something D. something wrong
5. The wind was blowing strongly. ________ people
walked in the street.
A. Little B. A little C. Few D. A few
6. Hurry up. There is ________ time left.
A. a little B. little C. a few D. few
( D )
( C )
( B )
Useful expressions
As a result, air pollution has become a serious problem.
Humans have come to realize the importance of protecting
animals.
Trees can stop the wind from blowing the earth away.
（录音）
Read and enjoy.
影片
Bye-bye!
