初中英语外研版 (新标准)八年级上册Unit 3 Language in use .评课ppt课件
展开①……的人口 ___________________ ②为……作准备 _________________③一篇叫……的报告 _______________④太多 ________________________ ⑤等一下 ______________________
⑥五分之一 _______________⑦将来 ____________________ ⑧谈论 ____________ ⑨持续增长的人口 11___________________ ⑩超过 ________________
the ppulatin f
a reprt called
hang n a minute
in the future
grwing ppulatin
①live in ;②clse t ;③mve t ;④clse dwn ;⑤have t ;⑥in fact ;⑦all ver the wrld ;⑧the same…as… ;⑨make effrts t d sth. 。
Read P74 A2 tgether.
Beijing is a huge city.It takes an hur t get there by bus.That’s almst ne fifth f the wrld’s ppulatin.That makes ver 131.4 millin births a year.
Grammar Fcus
数词是用来表示事物的数目和顺序的词。
数词的分类:1.基数词2.序数词3.分数词今天我们先来学习一下基数词。
1. 复习1—100以内的所有数字。2. 掌握百、千、万、十万、百万的表达法。
ne 1tw 2three 3fur 4five 5
six 6seven 7eight 8nine 9ten 10
sixteen 16seventeen 17eighteen 18nineteen 19
eleven 11twelve 12thirteen 13furteen 14fifteen 15
twenty 20thirty 30frty 40fifty 50sixty 60seventy 70eighty 80ninety 90
twenty-ne 21twenty-tw 22………………其它的十位数照此类推,如: thirty-ne 31frty-tw 42seventy-five 75ninety-six 96
百 hundred 100 ne hundred 200 tw hundred 以此类推···· 千 thusand 1 000 ne thusand 2 000 tw thusand·········英语里没有“万”这一单位,万也用thusand表示。如:10 000 ten thusand 一万20 000 twenty thusand 两万·····
十万的说法是:100,000 a (ne) hundred thusand 200,000 tw hundred thusand millin 百万 a (ne) millin 1 000 000 tw millin 2 000 000 ········以此类推 ······ 8 000 000 eight millin
three hundred and eighty-nine
fur hundred and fifty-seven
eight hundred and ninety
six hundred and eight
101~999的三位数由“百位数+and+两位数组成”。 如:325—three hundred and twenty-five
102 ne hundred and tw
635 six hundred and thirty-five
三位数以上的数,从个位往前数,每三位数加一个逗号,从后往前数的第一个逗号代表thusand, 第二个逗号代表millin, 第三个逗号是billin,注意这几个词不能用复数形式,后也不能加and。例如:2,648 tw thusand, six hundred and frty-eight 16,250,064 sixteen millin, tw hundred and fifty thusand, sixty-fur
确切数目与不确切数目的表达:hundred, thusand, millin, billin等前面有基数词,表示确切数目时,用单数,后直接接复数名词;如:three hundred bks ne hundred peple five thusand students seven millin starts
表示不确切数目时,这类词后加-s且与f连 用。如:hundreds f peple thusands f students millins f birds billins f lins注意:这类短语中,名词前如有定冠词、指示代词或形容 词性物主代词时,可加f, 但表示的是范围。如:tw hundred f the wrkers工人中的二百(人)
1. Last year, we planted ________ trees near here, s the air is very fresh. A. Tw hundreds B. Hundred f C. Hundreds f D. Hundreds2. There are _____ students in Zhngshan Middle Schl. A. twenty millins B. twenty millin f C. twenty millin D. twenty millins f
1. China2. the US3. Australia4. New Zealand
d) 1,370,537,000
c) 314,791,000
a) 4,437,000
b) 22,956,000
Read yur answers t Activity 1 the whle class.
China has a ppulatin f …
Nw listen and check.
Learning t learn
When yu see a table r a chart, lk carefully at the labels and graphs t make sure that yu understand what they are shwing. Lk at the chart belw. What is it cmparing? What can yu cnclude?
1. Which city had the largest ppulatin in 2000?2. Which city’s ppulatin will increase the mst frm 2000 t 2025?3. Which city will have a larger increase in its ppulatin, New Yrk r Mexic City?4. Which city/cities d yu think will have the biggest ppulatin prblem? Why?
Tky had the largest ppulatin in 2000.
Mumbai’s ppulatin will increase the mst frm 2000 t 2025.
Mexic City will have a larger increase in its ppulatin.
I think Mumbai will have the biggest ppulatin prblem because its ppulatin will increase the fastest.
冠词是一种虚词,没有词义,没有数和格的变化,不能单独使用,只能帮助名词或起名词作用的其他词类说明其意义。冠词有三种形式:不定冠词 a(n), 定冠 词the和零冠词。定冠词特指某一特定名词,不定冠词泛指一般普通名词。零冠词是指名词前面没有不定冠词( a/an )、定冠词( the ),也没有其他限定词的现象。
1. 首次提到某人, 不定冠词起介绍作用。 I’m preparing sme ntes fr a reprt. 我正在为一个报告准备笔记。2. 表示“每一”的概念,相当于 every。 I g t the cinema nce a mnth. 我一个月去看一次电影。3. 某些固定短语中,要用不定冠词。 have a gd time, in a hurry, have a break
1. 指前面提到过的人或物,或特指某人或某物。 I have a dg. The dg is brwn.2. 指谈话双方都知道的人或物。 I had t write the same reprt last term!3. 用于序数词以及形容词的最高级之前。 He went t the first flr.4. 用于世界上独一无二的事物。 The sun is shining brightly.5. 在江河、海洋、山脉等地理名词前及由普通名词构成的专有名词前。 the Great Wall f China
6. 用于表示方位名词前。 Guangdng is in the suth f China.7. 用在弹奏乐器中。 The by is playing the pian.8. 在某些形容词前加定冠词,表示一类 人或物。 The ld are dancing n the playgrund.9. 在姓氏复数形式之前, 表示“一家人”或“夫妇两人”。 The Brwns are really a large family.10. 用于某些固定短语中。 by the way
1. 在球类活动、学科名称前,以及节日、月份、星期前不用冠词。 1st June is Children’s Day.2. 名词前已有指示代词、物主代词、不定代词或数词等作定语的名词前不用冠词。 I have several questins t ask.3. 在某些固定词组和习惯用语中不用冠词。 by bus at night in truble
有些名词前用冠词或不用冠词,其意义有所不同。如:1) at table 在吃饭; at the table 在桌子旁2) in class 在上课; in the class 在班级中3) g t schl 去上学; g t the schl到那所学校去4) g t bed 上床睡觉; g t the bed 到床那边去5) in frnt f 在…的前面;in the frnt f 在…的前部6) in hspital 住院生病; in the hspital 在医院里
I read ______ stry. It is ______ interesting stry. A. a, an B. a, a C. the, the D. the, an Britain is ______ Eurpean cuntry and China is _____ Asian cuntry. A. an, an B. a, a C. a, an D. an, a ______ China is _____ ld cuntry with _____ lng histry. A. The, an, a B. The, a, a C. /, an, the D. /, an, a_____ elephant is bigger than ______ hrse. A. /, / B. an, a C. An, a D. /, the We always have ______ rice fr ______ lunch. A. /, / B. the, / C. /, a D. the, theIt tk me _____ hur and _____ half t finish ______ wrk. A. a, a, a B. an, a, a C. an, a, the D. an, a, /
Mina is (1) ____ eighteen-year-ld girl. She’s gt (2) ____ brther and (3) ____ sister. Mina is (4) ____ ldest child in (5) _____ family. She lives in (6) ____ very big city. She has (7) ___ jb in (8) ____ htel. She hpes that ne day she will have (9) ___ chance t g t (10) ___ cllege.
1. We believe the schls in Arnwick are very gd, and we’re wrking t make them even _______.2. Their flat is t large fr tw peple. They want t find a _______ ne.3. Anna always talks abut her ideas. I think she needs t listen ________.4. There are a lt f parks in this city. I think there are ______ parks in a lt f ther cities.
few gd much small
air city cuntryside hspital increase public service traffic water
Cmplete the diagram shwing ppulatin prblems. Use the wrds in the bx t help yu.
the cuntryside
water pllutin
air pllutin
nt enugh hspitals
need mre schls and buses; need better public services; need mre plice t prtect peple
t much traffic
rubbish (crwed flats)
Prblems f Arnwick
cuntryside
cuntryside pllutin ppulatin space traffic
Our wrld is facing many prblems. Tw f the biggest are the increasing ppulatin and pllutin. The (1) __________ f the wrld is increasing quickly. Why is this happening? Because mre babies are brn every year and peple als live lnger. Many peple are leaving the (2) __________ t wrk in the cities, but there is nt enugh (3) _____ fr s many peple. Anther huge prblem fr the wrld is (4) ________. There’s s much (5) ______ n the rads that in sme cities the air is heavily plluted. We shuld wrk harder t prtect ur wrld.
all ver the wrld clsed dwn in the future it takes nt…any mre
1. Grwing ppulatin is a prblem ________________.2. The ppulatin f China will grw mre slwly ____________.3. The supermarket ___________ when a bigger ne pened in the twn.4. Usually _________ an hur t get there by bus.5. The twn had a lt f pllutin in the past but it’s _____ a prblem _________.
all ver the wrld
in the future
a) It’s cheaper t share a car than t have a persnal car.b) Peple in a car club dn’t ften take buses, trains r the undergrund.c) There are n car clubs in the US.d) Jining car clubs is gd fr yu and fr the city.
Jining a car club is cheaper / mre expensive than having a persnal car.Peple in car clubs pay fr / dn’t pay fr a car when they drive.Peple in car clubs smetimes / never take a bus r ride a bike.Peple in car clubs prbably are / are nt healthier.
D yu think car clubs wuld be ppular in China? Why / Why nt?
Arund the wrld
Wrld ppulatin and water With mre and mre peple in the wrld, mre and mre water is used. In fact, water use is grwing mre than twice as fast as the wrld’s ppulatin! As a result, getting gd, clean water is becming a prblem in many places. A lt f water is plluted and in many areas peple have t walk a lng way t get clean water fr daily use. Mre than 3.4 millin peple die each year frm drinking and washing with plluted water. S let’s d everything we can t stp the pllutin and save water.
Chse a cuntry r twn which interests yu. It culd be yur hme twn.Decide the pints f time yu want t lk at – fr example, nw, ten years ag and ten years frm nw.Research the ppulatin f yur place in thse years. Write yur ntes carefully.
Mdule task: Making a graph
Decide hw yu want t make yur graph.Draw it and clr it. Yu can als make it n the cmputer.Label it clearly.
Pssible answer
In the graph, we can see hw the ppulatin in the twn changed between 1900 and 2000. we can see the ppulatin ging up the vertical line and the years ging acrss the hrizntal line. The graph shws the ppulatin increased by mre than ne hundred percent frm tw and a half millin t five millin in ne hundred years. At first it increased very slwly, but after 1945 it increased much mre quickly. Frm 1990 t 2000, the ppulatin even increased by ne millin. The twn itself als grew in size during this time.
1. I read ______ stry. It is ______ interesting stry. A. a, an B. a, a C. the, the D. the, an 2. Britain is ______ Eurpean cuntry and China is_______ Asian 11cuntry. A. an, an B. a, a C. a, an D. an, a 3. _____China is ____ ld cuntry with ____ lng histry. A. The, an, a B. The, a, a C. /, an, the D. /, an, a 4. Shut _____dr, please. A. a B. the C. an D./ 5. Einstein wn _____ Nbel Prize in Physics in 1921. A. a B. an C. the D. /
6. _____ elephant is bigger than ______ hrse. A. /, / B. an, a C. An, a D. /, the 7. We always have ______ rice fr ______ lunch. A. /, / B. the, / C. /, a D. the, the 8. It tk me ______ hur and _____ half t finish ______ wrk. A. a, a, a B. an, a, a C. an, a, the D. an, a, / 9. ______ dctr tld me t take _______ medicine three times _______ day 11and stay in ______ bed, then I wuld be better sn. A. /, a, a, the B. A, the, the, / C. The, the, a, / D. A, /, a, / 10. There is ______ picture n ______ wall. I like ____ picture very much. A. a, the, the B. a, the, a C. the, a, a D. a, an, the
11. ____ trees have been planted near here, s the air is very fresh. A. Tw hundreds B. Hundred f C. Hundreds f12. 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 thusand13. The number 22,135 reads _______. A. twenty-tw thusands ne hundred and thirty-five B. twenty-tw thusand ne hundred and thirty-five C. twenty-tw thusands ne hundred thirty-five D. twenty tw thusand ne hundred thirty-five
①nt…any mre ;②pay fr ;③as a result ;④die frm 。
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