What  a  large  population!

(不同的學生發表自己的見解，教師要尊重學生個性發展，并體現激勵機制。)
2.homework:
(1) find out your family photos of the past and the present. talk about them and write an article of 100 words.
(2) talk about the problems around you because of too many people.

（三）練習題
用所給動詞適當形式填空：
(1)i            （not  be）to  japan  i know little about there.
(2)my brother           （pass）the exam already. he’s very happy.
(3)      you      （speak）to a foreigner?  no, i           .
(4)i  won’t go to see the film tonight because i           (lose) my ticket.
(5)great changes             （take）place in china recently.
附答案：
(1) haven’t been
(2) has passed
(3) have spoken, haven’t
(4) have lost
(5) have taken

section   b

(一)預習提示
ⅰ.read  i a and answer the following questions:
（1）what’s the population of the world now?
（2）how many people do we increase every year?
（3）what’s the population of china?
（4）what does it show according to the chart?
（5）how did china control the largest population?
ⅱ.translate the following into chinese.
(1) increase by 80 million.
(2) in developing countries.
(3) in developed countries.
(4) what’s more.
(5) grow faster.
(6) carry out the one-child policy.
ⅲ. read 2a and read the numbers:
(1)1.3 billion      (2)296 million    (3)768 , 540      (4)405,000,000
(5) 405,000,000    (6)7,378,567,401
（二）教案
section b

the main activities are 1a and 2a . 本課重點活動是1a和2a。
ⅰ.teaching aims and demands教學目標
1.master some new words and useful expressions：
increase ,chart ,luckily
2.go on learning the present perfect：
(1)what a large population !
(2) it’s inereasing by 80 million every year .
(3)so it is .
3.learn how to read the numbers.
ⅱ.teaching aids教具
錄音機/多媒體課件/幻燈片/小黑板
ⅲ.teaching periods :1—2
ⅳ.five -finger teaching plan五指教學方案
step 1  review  第一步  復習  （時間:14分鐘）

1.檢查上節課教師布置的探究性作業，組織學生互評，教師選出若干份點評。）
t: s1, you did well. s2, excellent…
2. (英語老師轉換角色，當一次地理老師。)
t: today i’m not your english teacher. i’m your geography teacher. i believe we will be happy in the english-geography class.