Unit 2 Using language （ppt课件） --2022新外研版（2019）《高中英语》必修第一册.pptx

1、2 0 2 2Exploring2 0 2 21Review:word formationObserve these colored words and match the words to the types of word formation.1.Neither is there pine nor apple in pineapple.2.sculpt a sculpture.3.When we.see rain.,we can say“its raining”.4.WHO=pine+apple=sculpt+ure(suffix)n.n.v.=World Health Organizat

2、ion构词法构词法(word formation)合成法合成法(combining two or more words)派生派生法法 (adding a prefix or suffix)转化转化法法(changing the part of speech)缩写缩写(abbreviating)前缀前缀(prefix)后缀后缀(suffix)合成法合成动词babysitoverlook其他合成词everyonethroughout合成名词newspaperhaircut合成形容词heartfeltkind-hearted派生法前缀（prefix)后缀（suffix)dis-im-in-disag

3、ree,dislike,disappearinexpensive,incorrect,inabilityinter-mis-non-pre-re-un-不不不在之间；相互错误地不，非在之前再，重新不impossible,impolite,impatientinternational,interconnectmislead,misunderstandnon-electrical,non-smokerpreschool,previewretell,rewrite,rereadunable,unhappy派生法前缀（prefix)后缀（suffix)-er,or-ment-ship-tion-abl

4、e-ful-less-ous-ly（做某事）的人/者表示动作、状态、结果 表示技能、地位、性质、状态表示结果表示有性质的,可的表示有性质的，充满的表示无、没有表示有特性的表示方式dancer,actorarrangement developmentleadership friendshiprelation,reflectionwashable comfortableuseful mouthfulcareless,uselessdangerous,nervouscarefully,quickly缩写缩写首字母缩写单词截短as soon as possibleASAPWorld Trade Org

5、anizationWTOadvertisementadlaboratorylabFind more examples of word formation in the reading passage.u abbreviation:u changing the part of speech:u adding a prefix or suffix:ucombining two or more words:IT,USits raining;its snowingpaint-painting,hard-hardly,soft-softly,harm-harmless/harmful,shame-sha

6、meless/shameful,visible-invisiblehamburger,eggplant,pineapple,seasick,airsick,carsick,homesick,homework,houseworkComplete the passage with the help of word formation.When you open a dictionary,you often come across a lot of unfamiliar words.You might think this is a bit scary.But many of them are fo

7、rmed using other simpler words.This is called word formation.Words formed by combining other words are called compounds,for example,_(a friend that you contact by writing,traditionally using a pen)and _(known by many people).penfriendwell-knownWhat is called word formationWhat are called compounds a

8、nd some examples.Prefixes and suffixes often have fixed meanings.If you add un-or in-to a word,the new word usually means the opposite.For example,if something isnt correct its _,and if someone isnt happy they are _.Words with the suffixes-ment and-ness are often nouns.For example,if somebody has im

9、proved a lot,they have made great _.incorrectunhappyimprovementComplete the passage with the help of word formation.Some nouns and adjectives can be used as verbs,or the other way round.When we calm somebody down,they become _.And we can give someone a present by_ it.calmpresentingPrefies and suffie

10、s often have fixed meanings.The part of speech can be changed.And sometimes a word is made up of the first letters of several words:“World Trade Organization”can be referred to as _,and _is short for“as soon as possible”.It is impossible to know the meaning of every word,but knowing about word forma

11、tion can help us guess their meanings.Complete the passage with the help of word formation.WTOASAPHow word formation can help us.AbbreviatingApplication:Work in groups.Come up with as many as words as possible according to the type of word formation you group are given.uabbreviatinguchanging the par

12、t of speechuadding a prefix or suffix -able,impressucombining two or more wordsApplication:Groups with the same type have a competitionGroup AGroup BWinner?2 0 2 02Vocabulary buildingLook at the pictures and get to know the American English words and their British equivalents.subway/undergroundhighw

13、ay/motorwaytheater/theatregas/petrolapartment/flatelevator/liftComplete the passage with the following words.Today,American English is in common international use.It is different from British English in several ways,mostly in spelling and vocabulary.Some American spellings were created by Noah Webst

14、er,who made one of Americas first dictionaries.He changed“-re”spellings to“-er”,which is why_ is spelt _ in American English.theatretheaterComplete the passage with the following words.gaspetrolmotorway elevatorliftsubwayundergroundapartmentflatThe Americans and the British also use different words

15、for everyday things.For example,Americans talk about putting _ in their cars and driving along the _,whereas in the UK,people put _ in their cars and drive along the _.Americans take the_ to the top floor of a building,but the British use the _.In the US,they take the _,but in the UK,people travel o

16、n the _,Americans live in a(n)_ while the British live in a(n)_.highway Its not as confusing as it seems:usually people from the two countries can understand each other from the context.But that doesnt stop them having a friendly argument about which word is the“right”one!Complete the passage with t

17、he following words.2 0 2 03Listening&speakingselfienetizenBRBCOZ G2G Guess the meaning of the following words(a photograph that you take of yourself,usually with a mobile phone)(a citizen who uses the Internet).(be right back)(because)(got to go).Listen to three conversations and match them to the p

18、ictures.Conversation 1 -bConversation 2 -cConversation 3 -aListen again and complete the table.Words Meaning Origin dim sum a kind of traditional_from _using a cellphone without caring about othersa combination of the words _and _a shorter way of saying _from the InternetChinese foodthe Guangdong dialectcellfishcellphoneselfishLOLlaugh out loudWork in pairs.Act out the conversation to ask for and explain the meanings of the expressions.Student A:Turn to Page 81.Student B:Turn to Page 84.2 0 2 0THANKSTHANKS