课件25张PPT。Unit 1 The Changing WorldTopic 2 The population in developing countries is growing faster. have cleaned the clothespastnow表示过去发生的某一动作对现在造成的影响或结果。
e.g. I have just cleaned my clothes. 我刚洗过衣服。
(“洗衣服”是发生在过去的动作,对现在造成的结
果是“衣服干净了”。)
e.g. I have just had my breakfast. 我刚吃过早饭。
(对现在的影响是“不饿”。)cleaned the clothesPresent Perfect (II)常与 just, already, yet, never, ever 等副词连用。A: ______ you ________(care)
for the old before?
B: Yes. We often take part in
social activities.I know the Great Wall very well. Because I (be) there before.Have caredhave beenGrammar FocusThe train (leave).
It (leave) just now.She is doing her homework.
She (not finish)
her homework yet. has leftlefthasn’t finishedFill in the blanks with the wordsA: Have you ______ been to France?
B: No, I’ve ______ been to any European countries,
but Michael has. He has ______ come back from
France. He likes it very much. He says he has
______ been to such a beautiful country before.
A: Have you seen him ______?
B: Yes, I have seen him ________.everneverjustneveryetalreadyeverneverjustalreadyyetPresent Perfect (II)GrammarjustneveralreadyyeteverB: Ann was late for school, too. =A: Jane was late for school today.So was Ann.I really hate going to a place like that.
So do I.= I hate going to a place like that, too. So + be/情态动词/助动词+主语 — Lucy dances very well.
— ____________
A. So Lily is. B. So Lily does.
C. So is Lily. D. So does Lily.D— Mr. Zhang is not good at singing .
— ____________
A. Neither is she. B. So does she.
C. So is she. D. Neither does she.A Neither / Nor + be/情态动词/助动词+主语FunctionsI really _______ going to a place like that.
____ do I.hateSo So + be/情态动词/助动词+主语 Neither / Nor + be/情态动词/助动词+主语Read through Sections A-C and fill in the blanks with the correct words.Choose the best answer.
1. — Have you returned the book _______?
— Yes, I’ve _______ returned it.
A. already, already B. yet, yet
C. yet, just D. just, already
2. Jim, Maria _______ just now, but you were not at home.
A. called up you B. called you up
C. calls up you D. calls you up
3. — I find it very important to learn English well.
— _______.
A. So I am B. So do I C. So I do D. So am I
4. China is _______ that my mother likes it very much.
A. such beautiful a country
B. so a beautiful country
C. such a country beautiful
D. such a beautiful countryCBBDExercises1. She’s already been to Beijing. (改为一般疑问句)
________ she ________ to Beijing ________?
2. I have seen the film. (改为否定句)
I ________ ________ the film.
3. Kate will read this book no more. (改为同义句)
Kate ________ read this book _______ _______.
4. 孩子们在动物园里迷路了。
The children _______ _______ ________ in the zoo.Has been yethaven’t seenwon’t any morelost their wayExercisesComplete the following sentences.Choose the best answer.
1. — ______ is the population of Russia?
— 143 million.
A. How much B. How many
C. What D. How
2. There are ______ students in our school.
A. three thousands B. three thousands of
C. three thousand of D. three thousand
3. — Jenny always helps others.
— ______.
A. So is she B. So she is
C. So does she D. So she does
4. The population of China is ______ than that of
Japan.
A. larger B. more
C. fewer D. lessCDDAExercisesnumbers in our livesone hundred and fifty yuanthousands of peopletwo point two six (2.26) meters tall two thousand and eight Olympic Games1,000,000,000
one billion1,000,000
one million
1,000
one thousand3.14
three point one four100
one hundred Look,read and learnFunctionsIt is increasing _____ 80 million every year.by6800808080increase by 增加了……
increase to 增加到……Functions… the population in developing countries is ___________ that in developed countries.larger thanFunctionsChina ____ the largest population in the world, and about one _____ of the people in the world live in China.hasfifthone sixth
two ninths
seven twentiethsFunctions______ to the policy, China is developing quickly and …Thanksthe one-child policyPhrase collection给某人打电话 ___________________
lose one’s way ___________________
增加了…… ___________________
developing countries ___________________
developed countries ___________________
carry out ___________________
到目前为止 ___________________
采取措施做某事 ___________________
thanks to sb./sth. ___________________
be surrounded by ___________________
the capital of China ___________________call sb. up迷路increase by发展中国家发达国家实行so fartake measures to do sth.幸亏,由于被……所环绕中国的首都Choose the best answer.
1. —Have you improved your English ______?
—Yes, I have. I’ve ______ improved it.
A. already; already B. already; yet
C. yet; already D. yet; yet
2. China has a______ population.
A. many B. much
C. lot of D. large
3. —Have you been to the village _______ Gum Tree? It’s
a beautiful place.
— Oh, really? I will go there some day.
A. called B. is called
C. calls D. call
4. — I like to sing English songs. What about you?
— ______
A. So I do. B. So do I.
C. Either is OK. D. Neither do I.CDABExercisese.g. The population of this city is nearly
300 000. 这个城市的人口将近三十万。
e.g. 80% of the population in China are
farmers. 中国百分之八十的人口是农民。 e.g. The population of China is very large. 中国人口众多。
The population in this area is becoming smaller and
smaller. 这个地区的人口越来越少。强调人口的具体分布或构成 (作复数) BACKpopulation集合名词 某地整体人口的数量(作单数) 通常用large/ big/ small 来修饰。 increase by + 数字 / 倍数 / 百分数 增加了……
e.g. The price of the house has increased
by three times.
increase to +数字 增加到……
e.g. The price of the house has increased
to 500 000. 250250250250250250500BACKChoose the best answer.
1. _____ of the students are boys in our school.
A. Two third B. Two threes
C. Two thirds D. Second three
2. The one-child policy has _____ controlling China’s
population.
A. been good at B. done well in
C. taken care of D. worked well in
3. Edison is known _____ a great inventor.
A. for B. as C. in D. on
4 ._____ your help, I made great progress in math.
A. Thanks for B. Thanks to
C. Thank to D. Thank forCDBBExercisesThank you.