Unit 2 Saving the earth. Topic 2 All these problems are very serious. Section A 课件(共26张PPT)

课件26张PPT。Unit 2 Topic 2
All these problems are very serious.
Section ADo you know them?We had a happy life before.Don’t eat too much. We have to save the bamboos.
People pollute the environment. As a result, we have less and less food to eat. A. Listen to the tape and circle the phrases you hear.become weaker destroy the environment
disappear rapidly on this earth
enough bamboo to eatB. Listen again and fill in the blanks.1. Now some kinds of animals are becoming
______ ______ ________.
2. Some animals are _______ ______of dying out
completely.
3. In the past, pandas lived a quiet life and had
______ ______food.
4. Humans have come to_______ the importance
of protecting animals.
5. We should _____ ______ ____to protect them.do our bestin dangerplenty ofrealizefewer and fewerDo you know what they mean?be in danger of
（out of danger）
dying out
come to do sth处于……的危险之中
(脱离危险)
濒临灭绝
开始做某事What happened?air pollutionlight pollutionlitterwater pollutionsoil pollutionnoise pollutionTranslate the sentences.It says that China has become the world’s largest
producer and user of coal.
As a result , air pollution has become a serious problem.
But the government is doing something useful to protect the environment.
None of us likes pollution.
Everyone should care for wild animals and plant
more trees.
We should do everything we can to protect the
environment.It rained hard, as a result, we couldn’t go out.
He was late as a result of the heavy rain.
as a result (结果)
(先交待原因, 再用as a result连接结果。)
as a result of（由于）
(先交待结果, 再用as a result of 连接原因。 )none指三者或三者以上的“没有,都不”, 常与of 连用, 既可修饰可数名词, 也可修饰不可数名词,谓语动词用单复数均可。
eg.
他的朋友当中一个也没有去过巴黎。
None of his friends has/have ever been to Paris.
Read 1a and answer the following questions.What are they talking about?
2. Why is air pollution a serious problem in China?
3. What should students do and not do to protect
the environment?
4. Can you give some advice to the government?They are talking about air pollution and envionment protection. Because China has become the world's largest producer
and user of coal. We shouldn’t leave rubbish here and there. Don’t spit
anywhere in public. Don’t walk on grass or pick flowers.
Everyone should care for wild animals and plant more trees. 不定代词和不定副词有哪些？ somebody, someone, something, somewhere

anyone, anybody, anything, anywhere

none, nobody, nothing, nowhere

everybody, everyone, everything, everywhere
Everything begins to grow in spring.
Something is wrong with the bus.
Everybody likes her.不定代词作主语时, 谓语动词一般要用单数形式There is something wrong with the
clock.
There’s nothing new in today’s
newspaper.
Do you have anything to drink?形容词、动词不定式修饰不定代词、副词时，应置于
不定代词、副词之后下面的题你会做吗？Everyone is in the hall, ___________?
Everything goes well, ___________? aren’t they在反义疑问句中，表示人的不定代词作主语时，其反义疑问句的主语通常用they；当句子中的主语是指物的不定代词时，其反义疑问句的主语通常是代词it。 doesn’t it不定代词和不定副词有哪些？ somebody, someone, something, somewhere

anyone, anybody, 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前加not1. Do you have ____ questions?
2. Maybe _________________ put my dictionary __________. I can’t find it _________．
anysomeone/somebodysomewhereanywhereExercises3. – Is there ___ in today’s newspaper?
– No, there’s _____.
A. anything special; something unusual
B. special anything; nothing unusual
C. special anything; unusual nothing
D. anything special; nothing unusual4. – You look so happy today!
– Mr. Wang says I am clever. ___ has ever said that to me before.
A. Everybody B. Anybody
C. Nobody D. SomebodyWork alonePlease help Kangkang complete the letter to his headmaster, using the following words.none nobody others anything other something everyone everybody everywhere anybodyDear Headmaster,
I’m writing to tell you ________ important. ________ likes to be untidy. However, some students throw waste paper and bottles
_________ . We all need a quiet place to study, but some students often make too much noise at school. Even worse, some of them are quite rude when talking to______ . somethingNobodyeverywhereothers_______________ knows their behavior is bad, but ______of us knows how to stop them. I think we should make rules to change the situation. Perhaps it will be hard for us to keep the rules in the beginning, but if ___________________does their best to follow the rules, our school will become better and better day by day.
Sincerely,
KangkangEveryone/Everybodynoneeveryone/everybodyCan you give some advice to your classmates how to protect our environment?ProjectSum upas a result
none of
care for
be in danger (of)
die out
Indefinite pronoun and adverbHomeworkReview the use of the Indefinite pronoun and adverb
Finish the exercises in the English weeklyThank you!