高中英语外研版 (2019)必修 第一册Unit 5 Into the wild课前预习ppt课件

这是一份高中英语外研版 (2019)必修 第一册Unit 5 Into the wild课前预习ppt课件，共26页。PPT课件主要包含了Review，Activity 2，Practice1，Practice2，Summary等内容，欢迎下载使用。

Attributive clauses定语从句 (1) —关系代词的用法
1.定义：在复合句中作定语，修饰名词或代词的 从句。2.先行词：被修饰的名词、代词或整句话。3.引导定语从句的词有：关系代词：wh, whm, whse, which, that。关系副词：when, where, why。
Can yu lk fr mre sentences with when,where, why in the reading passage?（2mins）
Activity 1
1. These tw pieces f infrmatin—the time f day and the pint where the sun is in the sky—allw the butterfly t determine the way t ,it manages t reach the places where it will spend the slutin ... cmes at a time when it is in serius truble.4. Sadly, human activity is the main reasn why the number f mnarch butterflies is falling. 5.In many f the places where the butterfly can be fund, peple are destrying the natural envirnment. this wrks, there may cme a time when the number f mnarch butterflies increases nce again.
A. Eventually, it manages t reach the places where it will spend the winter.B. The slutin… cmes at a time when it is in serius truble.C. Sadly, human activity is the main reasn why the number f mnarch butterflies is falling.
1. What d “where”, “when” and “why ” refer t in each sentence?2. What’s the difference between the tw grups f sentences?3. Why des the authr chse t use sentence (a), (b) and (c) in the reading passage?
D. Eventually, it manages t reach thse places. It will spend the winter there. E. It is in serius truble. The slutin… cmes at this time. F. Sadly, human activity is the main reasn. Fr this reasn, the number f mnarch butterflies is falling.
where在定语从句中用作地点状语，其先行词须是表示______的名词。This is the schl.I studied a few years ag in the schl.This is the schl where I studied a few years ag.
关系副词在定语从句中的用法
when在定语从句中用作时间状语，其先行词须是表______的名词。January is cming sn.We can g hme fr a rest in January.January, when we can g hme fr a rest, is cming sn.
why在定语从句中用作原因状语，其先行词一般是________。This is the reasn.He cried fr this reasn.This is the reasn why he cried.
分析与比较（先行词，充当语法成分，关系词）
1. …the pint where the sun is in the sky…2. the places where it will spend the winter.3. …a time when it is in serius truble.4. …reasn why the number f mnarch butterflies is falling. 5. …the places where the butterfly can be fund…6. …a time when the number f mnarch butterflies increases nce again…
1. …peple that we want t remain friends with.2. …thers wh als enjy ding them.3. …chemicals that kill the plants.4. The next walk which is pen t new member…5. The by whse father is a scientist is…
Read the passage and underline the wrds that where, when, and why refer t.
In April 2017, tw giant pandas frm China arrived at a z in the Netherlands. There, they were welcmed t the Chinese-style cmpund where they were t live. On 30 May, after the preparatins were cmplete, the day finally came when the pandas met their fans fr the first time. Peple were excited - the z is the nly place in the cuntry where it is pssible t see pandas. In fact, the last time there were pandas in the Netherlands was in 1987. And f curse, the main reasn why they were s excited is that pandas are just s cute!
Read the passage and underline the wrds that where, when and why refer t.
Frm: David Waters T: Kay SilvermanSubject: Back t natureHi Kay,We’re having an amazing time here in Suth Africa. Our accmmdatin is perfect. It is in a lcatin _______ we can watch animals wandering past n their way t the waterhle.
Cmplete the email with where, when r why.
Sunset is the time f day _______ we sit n the balcny and cunt hw many giraffes r antelpes we can see. I guess this is the reasn _______ this place is s ppular. Next week, we are ging t fly up t Zambia. That’s ne f the cuntries _______ yu can visit the famus Victria Falls.See yu sn.David
This is the place _______ he wrks.This is the place ________ we visited last year.That was the time ______ he arrived.D yu still remember the time _______ we spent tgether?This is the reasn ________ he went.The reasn ___________ he gave us was quite reasnable.
辨析when, where, why 与 that, which
总结：指时间，地点或原因的先行词在定语从句中作_______时用when，where或why；而作_____或______时，要用which或that。
即时演练1. I can never frget the day _______I first saw yu.2. He came at the time ______ we needed him mst.3. There was a time _______ the man lst heart.4. After living in Paris fr fifty years he returned t the small twn ________ he grew up as a child.5. The accident has reached t the pint ________ bth their parents are t be called in.6. Yu wuld get int a situatin ________ yu have t decide immediately.
7. Unsuccessful peple can always find reasns ________they're nt ding well.8. This is the reasn ________ I didn't cme here.9. The reasn ______ he didn't cme was that he was ill.10. I'll never frget the days ________ we spent tgether.11. I dn't believe the reasn ___________ he gave me fr his being late.12. That was the reasn ________ he was late fr the meeting.
(that/which)
Attributive clauses定语从句 (2) —关系副词的用法
1. as busy as a(n) _______
2. kill tw _______ with ne stne
3. When the cat’s away, the _______ will play.
Lk at the pictures and cmplete the idims with animal names.
Animal idims
4. hld yur _______
5. It’s raining _______ and ________.
Find mre animal idims.
Lve me, lve my dg. like a cat n ht bricks He is a lucky dg. dark hrse Never ffer t teach fish t swim.
A bird in the hand is wrth tw in the bush.Fine feathers make fine birds.Cats hide their claws.Dn't cunt yur chickens befre they're hatched.
双鸟在林不如一鸟在手。
鸡蛋未孵出，先别数小鸡。
A crw is never the whiter fr washing herself ften. Every dg has his day. Let sleeping dgs lie. The frg in the well knws nthing f the great cean.The fx preys farthest frm his hle.