初中英语外研版 (新标准)八年级上册Unit 1 The population of China is about 1.37 billion.教案

这是一份初中英语外研版 (新标准)八年级上册Unit 1 The population of China is about 1.37 billion.教案，共5页。
教学设计
Teaching aims:
New wrds and expressins
T learn the grammar knwledge f big numbers
T grasp the phrases and imprtant sentences
Teaching imprtant and difficult pints:
T understand the cnversatin in relatin t ppulatin
T get specific infrmatin frm the listening material
T talk abut and understand numbers
T make a shrt passage r a dialgue with the pints in this unit
Teaching Steps:
Step 1 Lead-in.
Ss lk at the pictures and fill in the blanks.
Step 2 Cnslidate new wrds.
Lk and say. The teacher shws the pictures f new wrds and let the students say the new wrds as quickly as pssible.
Step 3 Lk at the picture and talk abut the picture.
Let Ss lk at the picture and use the wrds in the bx t talk in pairs.
Step 4 Listening.
Listen t Activity 2 and chse the best answer.
1) What’s the ppulatin f Beijing?
a) Abut 11 millin c) Abut 20 millin
b) Abut 13 millin
2) What’s the ppulatin f Chngqing?
a) Abut 28 millin c) Abut 36 millin
b) Mre than 33 millin
Step 5 Listen t the dialgue and answer the questins.
1. What is Tny preparing fr a reprt called “ur grwing ppulatin”?
2. Where are they talking?
Step 6 Listen t the dialgue and answer the questins.
Let Ss listen t the dialgue and answer the tw questins. Then check in grups.
Step 7 Read the dialgue and answer the questins.
1. Is ppulatin increase a big prblem in many cuntries?
2. Hw many babies are brn every minute in the wrld?
3. Will China’s ppulatin grw fast? Why?
Step 8 Nw cmplete the ntes.
Babies brn in every minute (wrld):
Babies brn every year (wrld):
Ppulatin f China:
Ppulatin f the wrld:
Step 9 Chse the crrect answer.
Let Ss chse the crrect answers and shw in grups.
1) Birth happens at the start / at the end f life.
2) Huge means large / small.
3) An increase in ppulatin means mre / fewer peple.
4) Hang n a minute means waiting fr a shrt time / a lng time.
5) Making ntes means writing a lng passage / a few wrds.
6) A prblem is smething easy / difficult.
7) A reprt is a lng piece f writing / a few wrds.
8) A billin is a hundred / a thusand millin.
Step 10 Everyday English.
I dn’t believe!
Hang n a minute!
Great!
Step 11 Listen and repeat.
Listen and repeat the numbers. Get the students t learn hw t read the numbers: thusand, billin, and millin.
Listen and repeat.
8,742 eight thusand, seven hundred and frty-tw
2,463,128 tw millin, fur hundred and sixty-three thusand, ne hundred and twenty-eight
1,370,000,000 ne billin, three hundred and seventy millin
2,000,030,000 tw billin and thirty thusand
Step 12 Check the statements yu agree with.
1. T check the right statements accrding t yur pinin.
2. Wrk in grups and discuss yur answers.
1) There are t many peple in the wrld.
2) The increasing ppulatin is the biggest prblem in the wrld.
3) Peple shuld nt have t many babies.
4) A city shuld nt hld mre than ne millin peple.
Step 13 Language pints.
Let Ss master the main pints f the passage.
1) I’m preparing sme ntes fr a reprt called “Our grwing ppulatin”.
prepare用作动词，意为“准备”，后面常跟名词、代词、不定式作宾语。
prepare … fr … 为……准备……
e.g. He is preparing a dinner fr his friends. 他正在为他的朋友准备晚饭。
2) That causes a lt f prblems, such as t much traffic and nise.
t many 后面加可数名词，表示 “太多的”。
t much 后面加不可数名词，表示“太多的”。
e.g. There are t many bks in the bkshp. 书店有太多书。
There is t much water n the grund. 地上有太多水。
3) I can’t believe it! 表示“简直难以置信”。表示一种惊讶。
4) The ppulatin f China is abut 1.37 billin.
billin(十亿), millin (百万), thusand (千)都是数字单位。
前面有具体数字修饰时，用单数形式；billin还常用于固定结构billins f, 表示“数以十亿计的”。与此用法类似的词还有hundred, thusand, millin等。
e.g. The man is very rich. He has five billin. 那个男人非常富有。他拥有50亿。
There are billins f bks in the big library. 大图书馆有数以亿计的图书。
5) That’s almst ne fifth f the wrld’s ppulatin...
ne fifth 表示“五分之一”，fifth是序数词。
分数的表达：分子用基数词，分母用序数词。分子大于1时，分母+s。
e.g. 2/5: tw fifths
6) Hang n a minute!
hang n 通常用来表示让某人等一下。
e.g. Hang n! I’ll be back in a minute. 稍等！我马上回来。
Step 14 Grammar.
掌握数字的用法。
朗读时，将每三位数看作一个单位，依次为billin，millin，thusand。每个单位按照百、十、个位向下读，其中百位到十位之间要加入 and。
e.g. 729: seven hundred and twenty-nine
6,500,431,729: six billin, five hundred millin, fur hundred and thirty-ne thusand, seven hundred and twenty-nine.
Step 15 Summary.
重点短语
make ntes prepare fr
t much ne fifth
hang n talk abut
数字的读法
Step 16 Exercises.
D sme exercises abut the main pints.
1) —What are yu preparing ______ yur party?
—I’m thinking abut wh I’ll invite.
A. at B. fr C. with
2) There are ______ peple in the little rm.
A. s much B. s many C. very much
3) Hw d yu read 131,400,000? ______.
A. One hundred and thirty-ne millin fur hundred thusand
B. One hundred and thirty-ne millin fur hundred thusand
C. One hundred and thirty-ne millin fur hundred thusand
4) —Culd yu give me sme advice abut learning English?
—Certainly. Why nt ______ in class?
A. make bks B. make ntes C. making ntes
5) ______ f the wrld’s ppulatin is in China.
A. One five B. One fifths C. One fifth
6) —The schl bus is cming.
—______. I’ll cme in a minute.
A. Hang n B. On earth C. Once r twice
7) Ppulatin ______ is a big prblem in the wrld.
A. increase B. describe C. prtect
Step 17 中考链接
D the exercises in the entrance exam t senir high schls.
1. I think ______ f the materials I listened t at the beginning f the exam ______ easy.
A. three furths, is B. third fur, are
C. three furths, are D. three furth, are
2. ______ trees have been planted near here, s the air is very fresh.
A. Tw hundreds B. Hundred f
C. Hundreds f D. Hundreds
3. ______ visitrs cme t Xingyi during May Day hlidays every year.
A. Thusands f B. Tw thusands
C. Thusand f D. Thusand
Step 18 Hmewrk.
编写一个报告，说明世界的人口增长问题。