初中英语Unit 1 The Changing WorldSection A1a-1d教学ppt课件

这是一份初中英语Unit 1 The Changing WorldSection A1a-1d教学ppt课件，共36页。PPT课件主要包含了Lead in ，Exercise，Summary，Homework等内容，欢迎下载使用。
Learning Objectives
通过本节课的学习，学生能够：1.能听懂有关家乡变化的对话，获取对话中关于交通、医疗、购物、环境等方面的过去与现在的对比。初步感受 used t 结构（学习理解）。2.能根据听力内容完成任务表格，能正确使用 used t 与 nw进行过去与现在对比（应用实践）。3.能讨论家乡各方面变化产生的原因，能提出改善环境问题的个人想法（迁移创新）。
What changes have taken place in the vide?
living cnditin
transprtatin
02Pre-listening
The phts shw changes in Li Rui's hmetwn ver the years. What are they? Hw d they make yu feel?
In the past, the rads were rugh.
/rʌf/ adj.崎岖的
But nw, the rads are flat.
In the past, the hills were dry. There were few trees r grass.
But nw, the hills are cvered with plenty trees and grass.
In the past, an ancient building std alne.
But nw, there are sme buildings arund the amcient building.
03While-listening
Here is a telephne cnversatin between Gerge and Li Rui.
Nw, we will listen t a shrt telephne cnversatin in 1b. Listen then answer the questins.
1.Why des Gerge call Li Rui?2.What is the relatinship between Gerge's father and Li Rui's grandfather?3.When did Gerge's father last visit the place?
He calls Li Rui because his father and he are ging t visit Li Rui's hmetwn, and he wants t ask Li Rui t be their guide.
They are gd friends.
His father last visited the place abut 20 years ag./20 years ag.
Tips：①先审题（原因，关系，时间） ②抓关键信息 ③使用正确的时态和人称回答。
Listen again and check the answers.
LiRui: Hell, Gerge.Gerge: Hi, Li Rui. Guess what? My father, Bb, and I are ging t visit yur hmetwn. Culd yu be ur guide?Li Rui: Sure! I’d lve t!Gerge: Wnderful! Yu knw, my father’s last visit was abut 20 years ag. He became a gd friend f yur grandfather.Li Rui: Grandpa will be s happy. They haven’t seen each ther fr ages!Gerge: Yes, and my father really wants t see hw the place has changed since he last visited.
When visit?
What relatinship?
Li Rui is nw shwing Gerge and his father arund her hmetwn. Listen t their cnversatin and cmplete the table.
nearly 40 minutes
g t the big city far away
15 minutes
supermarket
beautiful trees
Li Rui: What d yu think f yur trip s far?Bb: Amazing! When I first visited here, it tk half a day t reach the twn. Nw, with the new rads, it takes nly an hur.Li Rui: Yes. When I was a child, the bus tk nearly 40 minutes ver rugh rads t get t schl. Nw, it takes nly 15 minutes.Gerge: Life is much easier!Li Rui: Nt nly that. We used t have t travel far t see a dctr, but nw ur twn has built a new hspital.Bb: Great! And didn’t I see a supermarket dwn the street?Li Rui: Yes. We didn’t have any gd places fr shpping until 10 years ag.Bb: But the biggest change is n the hills. They used t be cvered with sand.Li Rui: And nw they have been cvered with beautiful trees!
New Supermarket
New Hspital
New Radsshrter time
Green Hills
04Pst-listening
Discuss the changes in 1c. Hw d yu think they happened?
Li Rui'shmetwn
New hspital
Pssible versin：I think they happened because the gvernment built new rads, hspitals and supermarkets, and peple planted many trees t prtect the envirnment.
05LanguagePints
It tk half a day t reach the twn.（P2-1c）到达镇上花费半天时间。
It takes (sb.) sme time t d sth. 做某事花费（某人）一段时间其中it为形式主语，真正的主语是后面的动词不定式（短语）
拓展：人+spend (s)+时间+ding sth 人+spend (s)+时间+n sth
1.I ______ tw hurs n my hmewrk every day. A. take B. spend C. cst D. pay2.根据汉语意思完成句子。咨询师Linda花了两个小时跟Andy沟通。_____ _____the cunselr Linda tw hurs ____ ____________with Andy.
cmmunicate
Language pints
辨析：reach,arrive与get（三者均有“到达”之意，但用法不同）reach 及物动词 reach+地点名词arrive 不及物动词 arrive in+大地点arrive at+小地点get 不及物动词 get t+地点名词
注意：当arrive和get后接地点副词here,there,hme等时，地点副词前不加介词。
例句：Jack will reach Paris tmrrw.杰克明天将到达巴黎。They arrived in Lndn last night.昨晚他们到达了伦敦。Yu shuld get t the statin befre 8:00 am.你应该在上午8点前到达车站。练习：—When will Mr Green______Beijing?—In a B.get C.arrive D.cme
Ging t schl by bus tk nearly 40minutes ver rugh rads.(P2-1c)坐公共汽车上学，在崎岖的路上花费将近40分钟。动名词(短语)作主语ging t schl by bus是动名词短语，在句中作主语。单个动名词(短语)作主语，谓语动词用单数形式。
Reading English every mrning helps imprveyur prnunciatin.每天早上读英语有助于提高你的发音水平。Helping thers makes the wrld warmer.帮助他人让世界更温暖。—Using public chpsticks _____ necessary when eating with thers.—That's B.are C.was D.were
ver〔介词〕①穿越；从一边到另一边They ran ver the grass.他们跑过草地。There is a bridge ver the river.河上有一座桥。②多于，超过相当于mre than。There are ver frty students in his class.他班里有40多名学生。③越过Tm jumped ver the wall.汤姆跳过了那堵墙。④在……正上方They held a large umbrella ver her.他们给她撑起了一把大伞。⑤遍及They travelled all ver the wrld.他们游遍了全世界。
They used t have t travel far t see adctr.他们过去得去很远的地方看医生。(P2-1c)辨析：used t d sth,be used t d sth与beused t ding sth
例句：He used t be very shy and afraid t speak inpublic. 他以前很害羞，不敢在公众面前讲话。 This big hall is used t hld different kinds fschl activities. 这个大厅被用来举办各种学校活动。 My uncle is used t walking fr an hur afterdinner every day. 我叔叔习惯每天晚饭后散步一小时。
The hills were cvered with sand.(P2-1c)山上覆盖着沙子。be cvered with….被……覆盖 为被动形式，其主动形式为 “用……覆盖……”。例句：The grund is cvered with thick white snwin winter.冬天， 地面被厚厚的白雪覆盖着。 Please cver the fd with a clean clth befreyu leave. 在你离开之前，请用一块干净的布盖住食物。
拓展 cver①〔及物动词〕覆盖Thick glass cvers the tp f the building.厚厚的玻璃覆盖着这座建筑物的顶部。②〔及物动词〕报道，电视报道The jurnalist is cvering the internatinalsprts meeting.这位记者正在报道国际运动会。③〔可数名词〕封面；罩子I like the bk because its cver is verybeautiful.我喜欢这本书，因为它的封面很漂亮。
20世纪80年代，毛乌素沙漠完全被荒沙覆盖。In the 1980s,the Mu Us Desert was fully________ _______barren sand.
cvered with
1. My uncle ________ live in the city, but nw he enjys his life in the cuntryside.A. was used t  B. used t  C. is used t  D. use t2.— When will yu return my bk?— Srry, I ________ it yet. I’ll finish it tnight.A. haven‘t finished  B. didn’t finish  C. dn‘t finish  D. wasn’t finishing3.It ________ Hb half a day t reach the twn when he first came here.A. takes B. tk C. has taken D. was taking4. — Yu’ve made great prgress in English. Hw did yu d that? — I ________ t read an English stry every night befre bed. Little by little, my reading gt better and better.A. used  B. remembered  C. failed  D. decided
1. The hills __________ t be __________ with sand many years first, they didn‘t have mdern tls, s they had t d all the farm wrk __________ __________.3. As the students cleaned up the park, the rubbish bin became fuller and fuller, and the park became __________ and sandstrms nce appeared ______________ (一直) in this small f trees _______________(plant) n the hill every year.
used cvered
by hand
cleaner cleaner
all the time
are planted
Need t d:和伙伴练习课堂对话,逻辑清晰的表达Changes in Li Rui’s hmetwn.Chse t d:邀请你的家庭成员(父母或祖父母)描述他们家乡至少2个变化，然后用英语描述。