初中英语1a-1d课堂教学ppt课件

这是一份初中英语1a-1d课堂教学ppt课件，共39页。PPT课件主要包含了Exercise，Homework等内容，欢迎下载使用。
Lk and share
1.Hw are these tw phts different?2.Hw has this place changed ver time?3.Why d yu think this place changed s much?
The first pht shws a bare（光秃秃的）and pen land with nly ne tree. The secnd pht shws the same place nw, with green grass, many trees, and a clear river.
The place used t be dry and empty. Nw, it is full f life. The land has becme greener, there are mre plants, and the river flws thrugh the area.
I think peple wrked hard t prtect the envirnment. They planted many trees, tk care f the land, and saved water. These effrts helped the place becme green and beautiful again.
Pre-listening
1a:The phts shw changes in Li Rui's hmetwn ver the years. What are they? Hw d they make yu feel?
sandy, barren hills
green trees and vegetatin
rugh, unpaved rads
islated, underdevelped
new, paved rads
mdern, well-cnnected
What changes have taken place arund yu?
The rads used t be narrw and muddy. Nw they are wide and smth.
Peple used t walk r ride bikes n dirt rads. Nw they can take buses n new rads.
It used t take hurs t get t twn. Nw it nly takes a shrt time by plane/car/high-speed train.
There used t be n street lights n the rads. Nw there are lights everywhere.
While-listening
Listen t a telephne cnversatin.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?
1.Why des Gerge call Li Rui?
Because Gerge and his father are ging t visit Li Rui's hmetwn, and they want Li Rui t be their guide.
2.What is the relatinship between Gerge’s father and Li Rui's grandfather?
They are gd friends.
3.When did Gerge's father last visit the place?
Abut 20 years ag.
half a day
any gd places
supermarket
Li Rui is nw shwing Gerge and his father arund her hmetwn.Listen t their cnversatin and cmplete the table.
Transprtatin
Health care
Pst-listening
Li Rui: Hell,Gerge.Gerge: Hi,Li Rui.Guess what?My father,Bb,and I are ging t visit yur _________.Culd yu be ur _______?Li Rui: Sure!I'd lve t! Gerge: Wnderful!Yu knw,my father's ____ visit was abut 20 years ag.He ______ a gd friend f yur grandfather.Li Rui: Grandpa will be s happy.They ____________ each ther fr ages!Gerge: Yes,and my father really wants t see hw the place ________________ he last visited.
Fill in the blanks
has changed since
Li Rui: What d yu think f yur trip ________?Bb: Amazing!When I first ________ here,it tk half a day t _____ the twn.Nw,with the new rads,it takes nly an hur.Li Rui: Yes.When I was a child,the bus tk ______ 40 minutes ver _______ rads t get t schl.Nw,it takes nly 15 minutes.Gerge: Life is much _________!Li Rui: Nt nly that.We _______ have t travel far t see a dctr,but nw ur twn has _______ a new hspital.Bb: Great!And didn’t I see a supermarket _______ the street?Li Rui: Yes.We didn't have any gd places fr shpping ____ 10 years ag.Bb: But the ________ change is n the hills.They used t be _________ with sand.Li Rui: And nw they have ________ cvered with beautiful trees!
Discuss the changes in 1c.Hw d yu think they happened?
Better rads and public transprt（The gvernment built new rads.）Imprved public services（New hspitals and supermarkets were built in the twn.） Hard wrk f lcal peple（Villagers wrked tgether t build rads, plant trees, and imprve their living cnditins.）Envirnmental prtectin and green prjects（Peple planted many trees n the hills.）
A: Lk at the changes in Li Rui’s hmetwn. Hw did they happen?B: I think : And ... , right?B: Yes! With their hard wrk, the twn became much better.
Further Thinking
• What d these changes tell us abut life in the village?• Wh d yu think made these changes pssible?• What can we learn frm these changes fr ur wn lives?
Language pints
They haven't seen each ther fr ages!Hw the place has changed since he last visited.
现在完成时 have/has + 过去分词 常用来表示从过去持续到现在的动作或状态。fr + 时间段：表示动作持续了多久since + 时间点：表示动作从某个时间点开始，持续到现在
例句：自从上次见面后，这里发生了很大的变化。
The place has changed a lt since we last met.
They used t have t travel far t see a dctr.The hills used t be cvered with sand.
used t + 动词原形 表示 “过去常常 / 曾经……”，用来描述过去存在但现在已经不再发生的动作或状态。
例句：我过去常常花 40 分钟坐公交上学。
I used t spend 40 minutes taking the bus t schl.
Used t be 用法详解
used t 是固定句式结构后接动词原形：
过去曾经是used t be +形容词/名词+ 介词短语
过去曾不。主语 +didn’t use t be+...（+其他）.
过去是否Did+主语＋used t be＋...？肯定回答：Yes， … did/N,’t. 否定回答：N，… wn't.
附加疑问加强语气used t be didn’t +主语?The rad used t be narrw,didn’t it?
It tk half a day t reach the twn.It takes nly an hur nw.
It takes (sb.) + 时间 + t d sth. 是固定句型，表示 “做某事花费（某人）多长时间”。过去时：It tk ... 描述过去的情况现在时：It takes ... 描述现在的情况
例句：现在坐高铁回家只需要 2 小时。
It takes nly 2 hurs t g hme by high-speed train nw.
They have been cvered with beautiful trees!
现在完成时的被动语态结构为 have/has been + 过去分词，表示 “某物已经被……”，强调过去的动作对现在造成的影响。
例句：山上已经种满了树。
The hills have been cvered with trees.
—Hw is yur hmetwn changing? —Great! We _________ a new park near my hme s far.
2. My grandfather in the cuntryside, but nw he lives in the city with us.
3. —______ yu _____ t play the pian when yu were a child?
4. The ld huse ________ with beautiful flwers nw, it lks s nice.
5. We ______ get up early t catch the bus t schl, but nw we take the subway.
用括号内动词的正确形式填空，完成句子。
They ______________ (nt see) each ther fr ages.It ______ (take) half a day t reach the twn in the past.We _________ (use t) travel far t see a dctr.The hills ___________________ (cver) with beautiful trees nw.She _________ (spend) 15 minutes walking t schl every day nw.
haven’t seen
have been cvered
根据提示，用 take/spend/cst/pay 的正确形式完成句子。
______ ______ me 2 hurs t visit the twn last week.（take）I ______ 30 minutes _________ (in) reading the passage every day.（spend）The new supermarket ______ the twn a lt f mney.（cst）He ______ 50 yuan ______ the medicine yesterday.（pay）Hw lng des it ______ t get t the hspital?（take）