初中英语牛津版 (深圳&广州)八年级上册（2013秋审查）Unit 3 Computers完整版教学ppt课件

这是一份初中英语牛津版 (深圳&广州)八年级上册（2013秋审查）Unit 3 Computers完整版教学ppt课件，共21页。PPT课件主要包含了课堂导入，课堂活动，课堂小结，课堂练习等内容，欢迎下载使用。

Will cmputers make ur lives better?
Revisin and intrductin
The first cmputers were _________ than cars, but nw they are becming ________ and _________. Cmputers can calculate at a _________ speed than we can.Cmputers are nt _________ than human beings, but they may be able t d a _________ jb than us.In the past, cmputers were _______ expensive, but nw they are much ________.
Grammar A The cmparative f adjectives
When we cmpare tw peple r things, we can use the cmparative f adjectives.
When we cmpare tw peple r things，we can use the cmparative f adjectives .We frm the cmparative f adjectives like this：
A The cmparative f adjectives
Hw d we frm the cmparative f adjectives?
the cmparative f adjectives
mre expensive
Cmplete the cnversatin belw and n page 40 with the cmparative f the adjectives frm the bx.
S1: ______________________, Canada r China? (cuntry/big)S2: ______________________________.
Which cuntry is bigger
Canada is bigger than China
Ask and answer questins using the fllwing infrmatin. The first ne has been dne fr yu.
(cuntry/big)
CanadaChina
(city/big)
(river/lng)
(island/large)
(muntain/high)
S1: _______________________,Cananda r China? (cuntry/big)S2: _________________________.
The red laptp is the smallest amng/f the three.
When we cmpare mre than tw peple r things, we use the superlative f adjectives.
Grammar B The superlative f adjectives
We frm the superlative f adjectives like this :
Hw d we frm the superlative f adjectives?
The red laptp is the smallest amng/f the three,but it is ___________________.
the mst expensive
the superlative f adjectives
David: I’d like t see sme f yur cameras.Salesman: Certainly. This is the mst expensive mdel. This is the cheapest mdel. This is the newest and lightest mdel.
B1 David is shpping fr a camera. Lk at the phts and write the letter f the crrect mdel after each statement.
(1)________(2)________(3)________
Tny: Did they shw yu any cameras?David: Yes. The (1)______________mdel is (2)____________________________. The (3)_______________mdel csts (4)_____________. The (5)_______________mdel was made in (6)_______. The (7)_________mdel weighs (8)______________.
expensive light ld small
99.8 mm x 56.4 mm x 24.5 mm
mst expensive
B2 David tld his friend Tny abut his shpping trip. Cmplete David’s sentences with the superlative f the adjectives frm the bx.
S1: Which is the biggest, the Earth, the Mn r the Sun?S2: The Sun is the biggest.
the Earth, the Mn r the Sun? (big)
a bee, a butterfly r an ant? (small) irn, silver r gld? (valuable) a bear, a whale r an elephant? (heavy) a spaceship, a plane r a train? (fast)
1. We have learned the usage f the cmparative and superlative f adjectives 2. We have understd t sum up sme language rules
一、用括号中形容词的适当形式填空。1. Hainan is a very large Island .It is the secnd _________ island in china. (large)2. Our teacher is as ______ as befre. (busy).3. He is ______________ amng us. (careful)4. Li Lei jumped far ______ than Jim. (far)5. The busier he is, the ________ he feels. (happy)6. I think Ya Ming is ne f ____________ basketball players in NBA. (ht)
the mst careful
6 I am very ______. But Tm is ___________ than I. Frank is _____________. （tired）7 Which is _____________ （difficult）, physics r bilgy ? 8 This bk is ________ than the ther tw . It is ____________f the three . （easy）9 In summer it’s _______ （ht） in Wu Han than in Beijing . 10 The Chinese peple have a much _______ （gd）life nw .
the mst tired
mre different
the easiest