Unit 2 Loving Our Planet Topic 2 All these problems are very serious

课件18张PPT。Topic 2 China has the largest population!Section C（录音）ReviewRead and write
(1).713 824 412 243
(2) 短缺 (造句)
(3) 到目前为止
(4) 采取措施做某事
(5) 属于 (造句)
be short of so far take measures to do sth. belong to Read 1a fast and finish 1bBecause of the large population,
there is less living space.Because of the large population,
it’s difficult for many people to find jobs.Because of the large population,
we are short of energy and water.Because of the large population,
the cities are more crowded than before.Because of the large population,
the traffic is much heavier.结合课文，查找识记下列知识点：
（1）30多亿人 （2）世界人口的1/2
(3)世界人口的1/5（4） And it’s difficult for people to find jobs.(翻译并分析结构)
（5）缺乏水和能量（6）So far,our government has taken many measures to control the population.(翻译) （7）work well in controlling China’s population (翻译) （8）We still have a long way to go .(翻译）one sixth
one ninth
one twentieth
five sixths
two ninths
seven twentieths分数的构成：分子用基数词，分母用序数词；当分子大于1时，分母用复数。one (a) half
a quarter
three quarters
three and a half
?可说”half”或“one second”;1/4可说”a quarter”或”one fourth”be short of 缺乏、短缺
be short for是……的简称，是……的缩写
练习：TV是television缩写
so far 到目前为止，修饰现在完成时
be known as/be famous as
把……叫做，作为……而出名
be known for/be famous for
因……而出名
练习（1）作为一名画家，齐白石名满全球.
（2）宝天曼因风景优美而出名
Work well in doing sth
练习：Doing eye exercises works well in __(protect) our eyesight.
Listen to 2a and fill in the blanks Every minute, about 261 babies are born in the world. That means people have to for about 375 840 newborn babies every day. The world’s population is growing . It has become one of the biggest problems today.
China has the largest population in the world. There are about 1.3 billion people in China. It has reached percent of the world’s population. China some policies to control the population, and these policies well. But China still faces a serious population problem.find foodfaster and faster20has carried outhave worked录音Read 2a and mark T or F in 2b( ) 1. Every minute, about 261 babies are born
in China.
( ) 2. The world’s population is growing more
and more slowly.
( ) 3. India has a smaller population than China.
( ) 4. China has two fifths of the world’s
population.
( ) 5. The Chinese government has solved the
population problem successfully.F F T F F Sum uphow to read the fractions (分数) in English
be short of
so far
take measures to
work well in
Homework完成尖兵题典Section C。
Write a composition about The Population in China。
Goodbye!