《What's the highest mountain in the world?》PPT课件6

4a. Fill in the blanks with the correct forms of the words in the box.

big    much     popular      long      old       high

1. The Amazon River is one of the _________ rivers in the world. It’s a little ________ than the Yangtze River.

2. Qomolangma is 8,844.43 meters_______.     

It’s one of the most__________ places for serious mountain climbers.

3. No ocean in the world is as ________ as the Pacific Ocean.

4. Although Japan is __________ than Canada, it is _________smaller.

... ... ...

1. The project lasted 5 years and cost 2 billion dollars.

2. The Chinese have been making paper for two thousand years.

3. One thousand pounds is a lot of money.

表示确定数量时 用基数词+ hundred，thousand，million，billion

三位数以上的数，从个位往前数，每三位数加一个逗号，从后往前数的第一个逗号代表thousand, 第二个逗号代表million, 第三个逗号是billion，注意这几个词不能用复数形式，后也不能加and。例如: 2,648  

two thousand, six hundred and forty-eight 

16,250,064 

sixteen million, two hundred and fifty thousand, sixty-four 

确切数目与不确切数目的表达：

hundred, thousand, million, billion等前面有

基数词，表示确切数目时，用单数，后直接接复数名词；如：

three  hundred  books          

one hundred  people

five thousand  students            

seven million  starts

... ... ...

形容词和副词的比较级  

大多数形容词和副词有三个等级：

原级、比较级、最高级。

一、形容词比较级的构成

1.构成的不规则变化:

1. 构成的不规则变化:

e.g. good / well – better – best              

bad / badly – worse – worst

many / much – more – most        

little – less – least

far – farther / further – farthest/ furthest

2.构成的规则变化:

1) 单音节词和少数双音节词一般在词尾后加-er 构成比较级 或-est构成最高级.  如：

原级          比较级        最高级

cold –—— colder –—— coldest

bright——— brighter———brightest

young—— younger—— youngest

2) 以字母 e 结尾的词只加 –r 或-st 构成比较级和最高级。

原级              比较级             最高级

nice ——— nicer  –———  nicest

fine———   finer————  finest

large ——   larger ———— largest

... ... ...

形容词的最高级

1. 用法：英语中三者或三者以上相比较，表示

“最……” 这样的最高程度概念时，要用 “the+最高级” 的结构表示。这种句式一般带有表示比较的介词短语，比如: in our class, of the three 等。

例如：Wang Lin is the tallest in our class.

This theater is the cheapest of the three.

注意使用最高级时应注意以下几点：

(1) 表示 “最……之一” 的句式，要用 one of the+形容词最高级+复数名词。

例如: Jingjiang Hotel is one of the biggest hotels in our city.

Lisa is not one of my best friends.

(2) 当最高级前面有物主代词或名词所有格时，不加定冠词 the。

例如：Tom is Lucy’s best friend.

Tuesday is her busiest day.

... ... ...

最高级规则变化口诀：

最高级，很容易，一般词尾加est。

(cheap-the cheapest)

词尾若有哑音e, 直接就加st。

(close-the closest)

重读闭音节, 单辅音字母要双写。

(big-the biggest)

辅音字母加y, 记得把y变为i。

(friendly-the friendliest) 

多音节，考考你，the most到底加哪里？

(popular-the most popular)

不规则变化

good / well – better - best

much / many – more - most

bad / badly / ill – worse – worst

little – less – least

far – farther/ further– farthest – furthest

old – older/ elder – oldest / eldest

... ... ...

Exercise:

一、翻译句子：

1.The Yangtze River is__________________river in the world. (第三长河）

2. The Atlantic is __________________ocean in the world. ( 第二大洋）

3. Lin Tao is __________________________in the  class because he never gets to school on time.（最懒的学生之一）

4. Edison was_________________________in the world. (最伟大的发明家之一）

二、同义句转换

1. Flat A is more expensive than Flat B

Flat B is _____   __________ than Flat A.

Flat B is ________   _______ Flat A.

Flat B is not ____   __________   ___ Flat A.

2. I prefer maths to English.

I like maths __________________ English.

3.He is the tallest student in the class.

He is _________________________ in the class.

... ... ...

Homework 

Practice with your classmates to speak and write large numbers. 

Write some number cars and put them in your room. Whenever you see, read them quickly.

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