1、Unit 1Study skillsFormal and informal languageinformal languageinformal greetingsinformal endingsslang words or expressionsjokes or try to be funnyabbreviationscontractionsSlang words(俚语）are very informal phrases commonlyused in speech,especially betweenpeople from the same particular（独特的）social gro
2、up,for example,teenagers,criminals and soldiers,or between people who work together.They are not considered suitable for formal contexts（文章）.What?Abbreviations(缩写词）Abbreviations use only the first letters of a name or phrase,or leave out letters to shorten a word,e.g.UK,Dr.Contractions(缩写形式）Contract
3、ionsare short forms of words when apostrophe(省略符号)replace letters,e.g.well,shes,cant.We should use formal greetings.We should use formal endings.We should not use slang words or expressions.We should not use jokes or try to be funny.We should not use abbreviations.We should not use contractions.How
4、to express formally?formal languageinformal languageWho?unfamiliar peopleteachersbossfriendsparentshave a big mouth Mon.Hello!Lots of love BC Good morning.all wet well Deched Yours truly How are you?catch some Zs cant CheersSimon has much more hair than his uncle.Greetings?Endings?Slang?Jokes?Abbrev
5、iations?Contractions?Greetings:Endings:Slang:Jokes:Abbreviations:Contractions:Hello!Good morning.How are you?Lots of love Yours truly Cheershave a big mouth all wet catch some ZsSimon has much more hair than his uncle.Mon BC Decwell hed cantHi Mr.WuId like to recommend David as the new chairperson o
6、f the Students Union.Hes a Gemini.This means he is probably lively and clever.He is also very outgoing.I think he is really cool.You shouldnt use informal greetings.You shouldnt use contractions.You shouldnt use contractions.You shouldnt use slang words or expressions.My uncle is a Gemini too.He is
7、a Dr and he is very smart.I think David should be the new chairperson because hes just as smart as my uncle.The only thing is that David has much more hair than my uncle.I think David would be a great chairperson.CheersKittyMore mistakes There is no date.There should be a printed name under the sign
8、ature at the bottom.You shouldnt use abbreviations.You shouldnt use contractions.You shouldnt use jokes or try to be funny.You shouldnt use informal endings.Hi Mr.ZhouI hope that you are having a happy New Year.My mother has left for a business trip today and its raining cats and dogs.Im now prepari
9、ng for my new school year.It starts tomorrow,on 10th Feb.I have learnt that I will be in Class A.I will learn nine subjects including Physics,Chemistry,biology,and Geography.Another letter to a teacherI havent got my textbooks yet.When I get them,I want to take a quick look at them,and I hope you would not mind answering my questions if I have any.You must be busy like a bee this term.I hope you will be successful and healthy in the coming year and stay cool forever.Come onVivianHomeworkTry to find out more formal and informal languages in your homework.