牛津深圳版八年级上册Module 2 Science and technology Unit 3 Computers课件(共33张PPT)

(共33张PPT)
八年级英语上册（上教版）
Module 2 Unit 3 Computers！
GUESS
tall
GUESS
long
GUESS
red
GUESS
wooden
a _____ apple
a smaller /bigger /redder ......apple
a/an ______ cat
a/an ______ girl
Bush/Obama is ... Bush/Obama has ...
Complete the article.
The first computers were _________ than cars, but now they are becoming ________ and _________.
Computers can calculate at a _________ speed than we can.
Computers are not _________ than human beings, but they may be able to do a _________ job than us.
In the past, computers were _______ expensive, but now they are much ________.
cheaper
cleverer
faster
smaller
bigger
more
Grammar A The comparative of adjectives
2
When we compare two people or things, we can use the comparative of adjectives.
better
better
How do we form the comparative of adjectives
-er
more
than
The first computers were _________ than cars, but now they are becoming ________ and _________.
Computers can calculate at a _________ speed than we can.
Computers are not _________ than human beings, but they may be able to do a _________ job than us.
In the past, computers were _______ expensive, but now they are much ________.
cheaper
cleverer
faster
smaller
bigger
more
better
better
The sheep becomes bigger.
The girl looks …… than before.
1.The prettier girl is my sister.
2. Elephant is bigger than other animals on land.
3. He looks nicer today.
4. We should keep our classroom cleaner today.
5. – How was your weekend
--It was more wonderful . I had much fun.
more expensive
lighter
Complete the conversation below and on page 40 with the comparative of the adjectives from the box.
heavier
smaller
bigger
S1: ______________________, Canada or China (country/big)
S2: ______________________________.
Ask and answer questions using the following information. The first one has been done for you.
(country/big)
Canada
China
Hong Kong
Shanghai
the Yellow River
the Yangtze River
Hainan Island
Taiwan Island
Mountain Tai
Yellow Mountain
(city/big)
(river/long)
(island/large)
(mountain/high)
S1: _______________________,Cananda or China (country/big)
S2: _________________________.
Ask and answer questions using the following information. The first one has been done for you.
She is one of the most popular models in the world.
She is the most expensive (of all the models) in the world.
Asia is the largest continent in the world
Oceania is the smallest continent in the world.
The red laptop is the smallest among/of the three.
When we compare more than two people or things, we use the superlative of adjectives.
Grammar B The superlative of adjectives
3
￥6,000 ￥4,600 ￥7,500
The red laptop is the smallest among/of the three,
but it is ___________________.
the most expensive
How do we form the superlative of adjectives
-est
most
the
David: I’d like to see some of your cameras.
Salesman: Certainly. This is the most expensive model.
This is the cheapest model.
This is the newest and lightest model.
a
b
c
B1 David is shopping for a camera. Look at the photos and write the letter of the correct model after each statement.
(1)________
(2)________
(3)________
Tony: Did they show you any cameras
David: Yes. The (1)______________model is
(2)____________________________.
The (3)_______________model costs (4)_____________.
The (5)_______________model was made in (6)_______.
The (7)_________model weighs (8)______________.
expensive light old small
smallest
99.8 mm x 56.4 mm x 24.5 mm
most expensive
oldest
lightest
3,589
2010
170 g
B2 David told his friend Tony about his shopping plete David’s sentences with the superlative of the adjectives from the box.
S1: Which is the biggest, the Earth, the Moon or the Sun
S2: The Sun is the biggest.
the Earth, the Moon or the Sun (big)
a bee, a butterfly or an ant (small)
iron, silver or gold (valuable)
a bear, a whale or an elephant (heavy)
a spaceship, a plane or a train (fast)
Ask and answer questions using the following information. The first one has been done for you.
用所给形容词的正确形式填空
1.This is a ______ street. That street is______. Zhong Shan Road is __________ of the three.(busy)
2.Fish and chips are very________. Fried chicken is_________(delicious).
3.Dick’s kite is ___________. Kate’s kite is______________ than Dick’s.Da Mao’s is ________________ of all. (beautiful)
busy
busier
the busiest
delicious
more delicious
beautiful
more beautiful
the most beautiful
4. Wuhan is a ______city, Beijing is_____ than Wuhan.Shanghai is _________ city in China.(big)
5.I think pingpong is much____________
(popular) .
6.Zhao Lei is one of ___________ (young) boys in his school.
more popular
the youngest
big
bigger
the biggest