高中英语上外版（2020）必修 第二册Unit 1 Nature教学ppt课件

这是一份高中英语上外版（2020）必修 第二册Unit 1 Nature教学ppt课件，共31页。PPT课件主要包含了Lead in，who，who引导定语从句，that，that引导定语从句，which，anyone’s，the rocks，the garden，Group Work等内容，欢迎下载使用。

Cmbining int Rrelative Clause
Split the fllwing sentence int tw separate nes withut changing the meaning.
1. There nce lived a king wh had a palace with beautiful gardens.
There nce lived a king. The king had a palace with beautiful gardens.
There nce lived a king the king had a palace with beautiful gardens.
2. Peple sang praises f the beauty f these gardens and the many creatures that live in them.
Peple sang praises f the beauty f these gardens and the many creatures there. Thse creatures lived in the gardens.
Peple sang praises f the beauty f these gardens and the many creatures thse creatures live in them.
3. The ld tree which the king rdered t be cut dwn had actually been cllected by the yung man’s father.
The ld tree had actually been cllected by the yung man’s father. The king rdered the ld tree t be cut dwn.
The ld tree the king rdered had actually been cllected by the yung man’s father.
t be cut dwn
t be cut dwn
the ld tree
Definitin f Relative Clause
A relative clause is used t give mre infrmatin abut the persn(s) r the thing(s) referred t in the main clause.
1. There nce lived a king wh had a palace with beautiful gardens.
main clause主句
定语从句(relative clause)给出关于a king 的更多信息
先行词(antecedent)
关系代词 relative prnun
Grammar Highlights
Mre Examples f Relative Clause I
2. Several atheletes whm the reprter spke t cmplained abut the smg hanging ver the city.
the reprter spke t
the atheletes
Here the relative clause begins with a relative prnun“whm”.
In the relative clause, “whm” (= the athelets) is the bject f “spke t ”.
Grammar Highlights
Here the relative begins with the relative prnun “whse”.
“whse slutin” is the subject f the “wuld be effective.”
3. The king ffered a reward t anyne whse slutin wuld be effective.
Here the relative clause begin with a relative prnun “which / that”serving as the subject f “lies west f Sctland.”
4. Rckall is a small island which / that lies west f Sctland.
the small island
Here the relative clause begin with a relative prnun “which / that”serving as the bject f “he brught back”.
5. He shwed me the rcks frm Australia.
(which /that)
he brught back frm …
he brught back
which/that can be mitted!
Here the relative clause begin with a relative prnun “which / that”serving as the bject f “recmmended”.
6. We went t a garden t us.
Jane had recmmended t us.
Jane had recmmended t us.
which/that is mitted!
Jane had recmmended
Let’s d it.
II Cnnect sentences using a relative prnun. Use “-” t indicate where a relative prnun is nt necessary.
He tk me t see the ld garden bridge. (He is rebuilding it.)
2. Sea lins are intelligent animals. (They can be trained t mnitr and reprt n the underwater cnditins.)
He is rebuilding the ld garden bridge – he tk me t see.
Sea lins are intelligent animals which can be trained t mnitr
and reprt n the underwater cnditins.
3. Peple have t pay fr their actins r clean up. (They create air, water, and waste pllutin)
4. We are ging t interview peple. (Their jb is t study human’s impact n ur planet.)
Peple create air, water and waste pllutin – they have t pay fr
r clean up.
We are ging t interview peple whse jb is t study human’s
impact n ur planet.
Let’s Try it.
III Cmplete the passage with the relative clauses frm the ptins given belw.
D pigs swim? Anyne 1 ______ can answer this questin. This island has attracted internatinal media attentin because f the swimming pigs 2 ______ . N ne knws fr sure hw these pigs first gt t the island. Sme say they were left by a grup f sailrs 3 ________.
Let’s try it.
Pigs beach has becme a ppular tur attractin. Thse wh want t take a break frm their busy lives can swim with pigs 4 ______. Because the pigs have gt used t being fed by the turists, they swim ut t meet the bats 5 _____.
Peple 6 _____ can nt nly get a selfie with the swimming pigs, but als enjy a bat trip alng the attractive castlines, and discver its endless natural beauty.
Summary f RC
The basic elements f Relative Clause I
√ A relative clause starts with relative prnuns – that, which, wh, whm, whse, etc.
√ Relative prnuns are the subjuects r bjects f the relative clauses
√ A relative clause is used t give mre infrmatin abut the persn(s) r the thing(s) referred t in the main clause.
√ main clause
√ relative clause
√ relative prnuns
√ relative prnuns as subjects r bjects
IV Split the fllwing relative clauses int pairs f separate sentences.
The beginning f 2020 saw a frmidable pandemic which/that was caused by a new virus COVID-19.
The beginning f 2020 saw a frmidable pandemic.
The pandemic was caused by a new virus COVID-19.
2. Infectin f COVID-19 will quickly cause respiratry system prblems that / which lead t serius lung dysfunctins.

Infectin f COVID-19 will quickly cause respiratry system prblems. The prblems lead t serius lung dysfunctins.
3. News reprted that the Trumps wh are living in the White Huse gt infected.
News reprted that the Trumps gt infected. The Trumps are living in the White Huse.
4. It is said that the Trumps quickly recvered, whse treatment might cst ver a millin dllars.
It is said that the Trumps quickly recvered. The Trumps’ treatment might cst ver a millin dllars.
5. But the Trumps are amng the few whm mst cmmn Americans cannt cmpare themselves with.
But the Trumps are amng the few. Mst cmmn Americans cannt cmpare themselves with the few.
Grup Discussin
V Jin the fllwing pairs f sentences int ne using relative clause.
1. COVID-19 is a deadly virus. It spreads very quickly amng peple.
COVID-19 is a deadly virus which spreads very quickly amng peple .
2. Dctr Li Wenliang is a her. He blew the first warning .
Dctr Li Wenliang is the her wh blew the first warning.
3. COVID 19 is a warning f nature. The attack f nature n man may befall if the situatins cntinue.
COVID 19 is a warning f nature whse attack n man may befall if…
4. Natural disasters may take away millins f peple. We might rescue millins f peple if we stp destrying nature.
Natural disasters may take away millins f peple whm we may rescue if we stp destrying nature.
5. Nature is hme t all creatures. Man is just ne species f creatures.
Nature is hme t all creatures f which man is just ne species.
介词后 + which(关系代词)
介词后 + that(关系代词)
VI Cmplete the passage with the prper relative clauses given belw. There is ne mre than yu need.
A. that /which cause COVID 19.
B. wh are affected r suspected t be affected
C. that / which may suppress the virus and bring it t an end.
D. that / which may cause quick utbreak in cmmunities.
E. in which peple are clse t ne anther and viruses can easily spread.
Schls are gathering places __1__. Shutting them dwn can be a key part f slwing the spread f easily transmissible viruses __2__. Meanwhile, hspitals shall accmmdate as many as pssible patients __3__. All these help t buy time fr the develpment f antiviral medicatins __4__.
A. that / which cause COVID 19.
B. wh are affected r suspected t be affected.
C. that /which may suppress the virus and bring it t an end.
D. that /which may cause quick utbreak in cmmunities.
What have we learnt tday?
√ Relative prnuns can be mitted when they serve as bjects f the relative clauses
√ “prep. + which” patterns like “f which”, “frm which”, etc.
Recite and understand the fllwing cncepts.
√ missin f relative prnuns
√ prep. + relative prnun