外研版 (2019)必修 第一册Unit 2 Exploring English优秀ppt课件

这是一份外研版 (2019)必修 第一册Unit 2 Exploring English优秀ppt课件，共30页。PPT课件主要包含了How ，根据构词法猜词等内容，欢迎下载使用。

1.掌握四种基本的构词法： 合成法，转化法，派生法，缩略法。2.通过构词法的学习，掌握构词规律，扩大词汇量。
If yu meet the new wrds while reading, what will yu d ?
Guess the meaning!
When we deal with the prblems in reading cmprehensin, we can use Wrd Frmatin t help us, but the cntext(上下文，语境) is als very imprtant.
A bad-lking pickpcket stle my wallet.
首先要熟悉基本的构词法及其规律, 其次要掌握一定的词根和词缀。如:un-,im-, mis-, -less, -ness等。
pick+pcket 扒手
wrd frmatin(构词法)
adding a prefix r suffix派生法
cmbining tw r mre wrds合成法
changing the part f speech 转化法 (词性转化)
abbreviating 首字母缩略法
Part 1 abbreviating (首字母缩略法)
定义：即用单词首尾字母组成一个新词。有两种读音，一是各字母分开读；二是作为一个单词读。
Wrld Health Organizatin
Infrmatin Technlgy
Very Imprtant Persn
[əˈbriːvieɪtɪŋ]
Save Our Ship
Part 2 changing the part f speech (转化法)
定义：将一种词性的词转化为另一种词性，而词形不变。
The little girl didn’t dare t face the muse s she cvered her face with her hands.
（同一个词，有不同的词性）
It has a gd taste.
It tastes very gd.
We always walk hand in hand.
Please hand me the bk.
There is smething wrng with the car.
He didn’t knw the difference between right and wrng .
Please keep tidy and clean.
Yu have t clean the blackbard after class.
pain-killer
Part 3 cmbining tw r mre wrds (合成法)
定义：是指用两个或两个以上的词构成新词的构词法。合成词拆开后，仍有各自的意义。
classrmreadingrmblackbardplaygrund课后活动蝴蝶白头发的男人三岁的儿子
after-schl activity
white-haired man
five-year-ld sn
English-speaking
warm-hearted
hard-wrking
加前缀： happy --- ___happy 加后缀： develp --- develp_______既加前缀又加后缀： emply --____emply_______
Part 4 adding a prefix r suffix (派生法)
定义：在词根上加上前缀或后缀，构成新词。前缀和后缀有一定的含义或功能，有助于推测新词的词义。
前缀一般会改变词义，而不造成词性的变化。后缀一般会改变词性，意思与词根相近。
en- 动词前缀(改变词性）encurage enlarge
常用前缀: (1) dis-: disagree, dislike, disappear (2) in-(il-, im-, ir-): incrrect, impssible, irregular, (3) un-: unhappy, unable, unfit, (4) nn-: nnstp, nnverbal (非语言的) (5) re-: rewrite, review
(1) 构成名词： (2) 构成形容词: (3) 构成动词: (4) 构成副词: (5) 构成数词:
-er, -ese, -ist, -ian, -ment, -tin, -ness, -th.buyer, Chinese, scialist, musician agreement, cllectin, illness, truth
-al, -an, -ful, -ing, -y, -less natinal, American, careful,exciting, cludy, useless,active
-fy, -is (z)e: beautify, realize
-ly: badly
-teen, -ty, -th thirteen, sixty, twelfth
let's make a cnclusin
1.definitin：2.examples:
1.definitin：
2.examples:
1.definitin：
2.examples:
readingrm; mther-in-law; well-behaved
将一种词性的词转化为另一种词性，而词形不变。
用单词首尾字母组成一个新词。
是指用两个或两个以上的词构成新词的构词法。合成词拆开后，仍有各自的意义。
在词根上加上前缀或后缀，构成新词。
unfamiliar; invisible
traditinal; creative
rain(形容词) ________ agree(反义)__________ natin(形容词)_______ farm(人)__________ recent(副词)________ friend(形容词)________ hpe(形容词)_______ create(形容词)_________ visit(名词)__________ hme(形容词) ________ eight(序数词)________ true(名词)___________ America(形容词)_______ China(形容词)________
按括号内的要求改写下列单词。
1. It is ________ (certain) fun but the lifestyle is a little unreal. (2017·全国卷Ⅲ, 70)
2. But then we gt an fficial letter and we were blwn away. We are s prud f her. It's __________ (wnder).” (2019年全国卷2, 70)
3. She is determined t carry n with her ________ (educate)．
(2017·全国卷Ⅲ，66)
5. (Luck), Andy didn't get the jb.
4. Fr my hmewrk tnight, we have t write a __________(describe) f the street where we live.
Use yur imaginatin, yu’ll get a different wrld.
想象给生活插上翅膀，让我们在学习的天空中越飞越高！
additin n.增加物；添加物；加法
add v.添加；增加additinal adj.额外的；增加的
常用搭配1：in additin 除此之外；另外（跟句子） in additin t... 除...之外（还）（跟短语）常用搭配2：add up (把...)加起来 把...加到...
add up t 总计达；结果是
1. (除...之外）reading fr knwledge,we read fr fun and inspiratin.2.I dn't quite like this clur f the cat. (除...之外），it csts t in the mrning prvides ( additin)benefits besides being physically bad weather (增加) ur difficulty yesterday.
In additin t
In additin
Dear DlresWhen I think f yu，I'm reminded f the beautiful plains f Iwa.The distance between us is breaking my spirit.My time and experiences withut yu are meaningless t me.Falling in lve with yu was the easiest thing I have ever dne.Nthing matters t me but yu.And everyday I am alive, I'm aware f this.I lved yu the day I met yu, I lve yu I will lve yu t the rest f my kiss my kids.
remind v.提醒，使想起 reminder n. [C] 令人回忆的事物；提醒者；提醒物.
常用搭配：remind sb f /abut sth.使某人想起某事（物）remind sb. t d sth. 提醒某人做某事remind sb. that+句子
The pictures remind me my schldays. My parents ften remind me (study) hard.This stry reminds us yu can never knw what＇s impssible unless yu try t make it happen.He placed the brchure(小册子） n his desk as a .
 相当；颇 =quite(可用在t或比较级前）：It was a nice huse, but rather t small fr a family f five. The task is rather mre difficult than I had expected. 有点儿；稍微（放在动词前）I rather think he was telling the trurh.
rather adv.
wuld rather t d... rather than than d...
宁愿做...也不愿做...
The children prefer t walk rather than take a bus.(1)The children than a bus.(2)The children rather than a bus.
cmment n. 评论，意见；批评，议论v.发表意见；评论
常用搭配：n cmment 无可奉告make cmments 就...作出评论cmment n/upn 就...作出评论cmment that+句子 评论说;称
1.He made several unfavurable cmments their frmer minister refused t cmment his resignatin.[ˌrezɪɡˈneɪʃn]3.Jean (cmment)that it was a better play than 's bad manners t make (cmment)n smene's appearance.