What  a  large  population!

（教師用幻燈片或多媒體課件呈現教材3的圖表。）
for example:
s7: what's the population of the world/china/india…?
s8:  the world/china/india… has a population of…/
the population of the world/china/india…is….
(同學們充分練習后，讓幾組同學做示范。)
g1: …
g2: …
g3: …

step 5   project   第五步  綜合探究活動  （時間:5分鐘）

1.t: the population problem is the biggest one in china.
now let’s discuss the question:
what are the problems of china’s population?
(學生小組討論。)
t: who can talk about it? (學生可能要說的很多，但有些語言他們表達不清楚，教師加以引導，盡量用簡潔的語言表達清楚。)
s1: the population is still rising.
s2: the people in the countryside can’t obey the one-child policy.
s3: there are more and more old people in some big cities.
t: very good. but what do you think of the future of china’s population? please discuss it.
(鼓勵學生不用舉手，自覺站起來表達自己的觀點。)
s4: the population of china will be 1.5 billion in 2050.
s5: maybe china will have a population of 1.2 billion in 2050.
(學生可能做出種種猜測。)
2.homework:
all of you did this lesson actively. we have known about the population of china. please go on discussing it in groups after class. then write a report about the population of the future and the present. and then predict what problems it may bring out.

（三）練習題
單項選擇題:
(1)            a large population!
a.how   b.what   c.how  many   d.how  much
(2)china has the largest           with 1.3 billion.
a.people   b.population  c.peoples    d.populations
(3)they          all their money,so they have to walk home.
a.spend   b.had  spent   c.have  spent   d.will  spend
(4)she’s never been to england,          she?
a.has   b.hasn’t   c.isn’t    d.is
(5)my mother isn’t at home. she         to the supermarket.
a.go    b.went   c.goes    d.has  gone
(6) —have you finished your homework         ?
   —yes, i’ve done that          .
a.yet already b.already, yet  c.ever, never  d.still, just