新標準一年級起點第八冊全冊Unit 1 教案

e.g.: t: long (伸展雙手，做出long的樣子)
   s: short (伸展雙手，做出short的樣子)
(long-short old-new big-small tall-short )
在學生對形容詞有了直觀的感知和回顧之后引領學生復習顏色，對下面的學習做好鋪墊。
t: what color is it? (point to the desk)
ss: it’s yellow.
t: yes, it’s black. this desk is yellow.
(滲透this ……is ……句型，為新授做好準備)
t: now let’s find out the colors in the classroom.
ss: black. (point to the board)
t: yes,(引領學生一起說)this board is black.
(板書this ……is ……，強調this 大寫)
ss: red. (point to the flower)
t: yes,(引領學生一起說)this flower is red
ss:……
step 2 lead in and presentation
聯系上一環節，t拿出一本書來，問“what color is it?”
ss: green. (point to the book)
t: yes. this book is green. i bought it yesterday. it’s 1 yuan. so it’s very cheap. (板書cheap, 并滲透語音和拼寫)
this book is only 1yuan. so this book is cheap.
然后教師出示投影儀上的圖片（紫色的長鉛筆，標價0.2元）
t: is it cheap? 
ss: yes, this pencil is cheap.
教師引導學生說出鉛筆的其他特征
s1: this pencil is new.
s2: this pencil is long.
s3: this pencil is … .
(t 教授新詞purple用perfect進行評價，然學生感知perfect的含義)
t: what about this one?
出示另一張圖片，上面有一黑白相間形狀小巧的mp4,但無標價.
s1: this mp4 is black.
s2: this mp4 is …..
s3: this mp4 is … .
教師出示標價，1200元
t: it’s 1200 yuan. is it cheap?
ss: no, it isn’t.
t: it isn’t cheap. it’s expensive. (把expensive板書，領讀，操練)
教師出示兩張電視的圖片。(green and blue)
t: guess, which one is cheap? which one is expensive?
讓認為綠色電視便宜的同學起立。
ss: (point to the green tv)this tv is cheap, (point to the blue tv) and this tv is expensive.
讓認為藍色電視便宜的同學起立。
ss: (point to the blue tv) this tv is cheap, (point to the green tv) and this tv is expensive.
step 3
t: look ,i have a cell phone (出示實物).
  who can tell me what it looks like?
  ss: this phone is small.
this phone is new.
t: yes, this phone is small, and it’s new.
 (板書，操練)
t: it also can be used as music player, camera, radio, counter, etc. (展示給學生看，幫助他們理解)
it can do so many things, so it’s powerful.。l (板書powerful并領讀操練)
do you think it’s beautiful?
ss: yes, it’s beautiful(板書beautiful并領讀操練)
step 4
出示兩臺電腦，形狀顏色不同，價錢分別為1200元和8999元。電腦旁標明了電腦的屬性（powerful, good for computer games, etc）
學生小組競賽，說明你喜歡的是哪一臺電腦，并說明理由，看那個小組學生描述這兩幅圖片描述的句子最多。
句型參照黑板i like this one ,this …is … .it’s … .
step 5
t: sam 一家也去買電腦， 他們會選什么樣的電腦呢？