2020-2021学年Unit 5 Into the wild教课内容ppt课件

这是一份2020-2021学年Unit 5 Into the wild教课内容ppt课件，共14页。PPT课件主要包含了Revision，Practice，Summary，Production等内容，欢迎下载使用。
读课文，找出含有when, where, why 引导的定语从句的句子。
Eventually, it manages t reach the places where it will spend the winter.The slutin t the mystery f the mnarch's amazing ability cmes at a time when it is in serius truble. Sadly, human activity is the main reasn why the number f mnarch butterflies is falling. In many f the places where the butterfly can be fund, peple are destrying the natural envirnment.
What d“where”,”when”and “why”refer t in each sentence?
Eventually, it manages t reach the places where it will spend the winter.2. The slutin t the mystery f the mnarch's amazing ability cmes at a time when it is in serius truble.
Presentatin
3. Sadly, human activity is the main reasn why the number f mnarch butterflies is falling. 4. In many f the places where the butterfly can be fund, peple are destrying the natural envirnment.
b The slutin… cmes at a time when it is in serius truble.e It is in serius truble. The slutin... cmes at this time.c Sadly, human activity is the main reasn why the number f mnarch butterflies is falling.f Sadly, human activity is the main reasn. Fr this reasn, the number f mnarch butterflies is falling.
What's the difference between the tw grups f sentences?
a Eventually, it manages t reach the places where it will spend the winter.d Eventually, it manages t reach thse places. It will spend the winter there.
Sentences (a), (b) and (c) cntain a clause defining a nun r prnun in the sentence. Sentences (d), (e) and (f) are cnstructed with a pair f simple sentences, with ne defining a nun r prnun in the ther sentence in each pair.
Why des the authr chse t use sentence (a), (b) and (c) in the reading passage?
Because there is a clser link and cnnectin between the item and the clause defining it in sentences (a), (b) and (c). It will als make the passage clearer, and create an emphatic effect n the lcatin, time and reasn being defined.
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.
Attributive clauses定语从句 (2) —关系副词的用法
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。
关系副词when, where, why的用法
关系副词引导定语从句时，既引导定语从句，又在定语从句中充当状语。
1. where 表示地点，只能跟在表地点或场合的 名词后。相当于in which。 注意：where不在从句中作主语或宾语。 Please leave the bk at the place where it was. =Please leave the bk at the place in which it was.
2.when表示时间，只能跟在表时间的名词后。相当于n/in which.July, when we can g hme fr a rest, is cming sn.=July, in which we can g hme fr a rest, is cming 表示原因，通常跟在reasn后引导定语从句。相当于fr which.This is the reasn why he cried.=This is the reasn fr which he cried.
关系代词which/whm前介词的选择由先行词的习惯搭配或后半句动词的搭配决定。
This is the place where he wrks.This is the place which/that we visited last year.That was the time when he arrived.D yu still remember the time that/which we spent tgether?This is the reasn why/fr which he went.The reasn that/which he gave us was quite reasnable.
when, where, why与that, which的区分
指时间，地点或原因的先行词在定语从句中作状语时用when，where或why；而作主语或宾语时，要用which或that。
Cmpelet the email with where, when r why.
用适当的代词和副词完成电子邮件，必要时可加介词。
Hi, Anne. I arrived in Sri Lanka last week and I’m staying with the peple (1) ______ I met in Lndn. Sri Lanka is a wnderful place. We visited a natinal park (2) ________ is hme t elephants and ther animals (3) __________ are in danger f extinctin. We say a female elephant (4)__________ baby was nly tw hurs ld; but yu have t be careful nt t g t clse (5)_______ there is a baby, r the mther may attack yu.I saw s much wildlife (6)___________ I’d read in bks. My favrite were the giant butterflies (7)___________ wings were green and blue. The nly time I felt wrried was (8)___________ we went int a frest (9)___________ snakes live. Then I understd (10) ____________ we had been tld t wear strng shes.
abut which