中学生百科英语 第一册.docx

中学生百科英语第一册

Unit1:IntroductiontoEnglish

1.1TheAlphabet

TheEnglishalphabetconsistsof26letters.Theselettersaredividedintotwocategories:vowelsandconsonants.VowelsarethelettersA,E,I,O,andU.Consonantsarealltheotherletters.

1.2Vowels

VowelsareimportantinEnglishbecausetheyarethesoundsthatgivewordstheirmeaning.Forexample,thewordcathasthreeletters:C,A,andT.ThevowelAiswhatmakesthewordcatdifferentfromthewordcotorcut.

1.3Consonants

Consonantsarethelettersthatarenotvowels.Theyareimportantbecausetheyhelpustopronouncewordscorrectly.Forexample,theworddoghasthreeletters:D,O,andG.TheconsonantsDandGarewhatmaketheworddogdifferentfromtheworddogordot.

1.4Pronunciation

1.5SimplePhrases

Unit2:GreetingsandIntroductions

2.1Greetings

2.2Introductions

2.3RespondingtoGreetings

Whensomeonegreetsyou,itisimportanttorespondpolitely.Youcansimplysay,HelloorHiback.IfsomeonesaysGoodmorning,youcanrespondwithGoodmorningaswell.Itisalsopolitetoaskhowtheotherpersonisdoing,saying,Howareyou?orHowsitgoing?

2.4Farewells

Inconclusion,thisunitfocusesongreetingsandintroductionsinEnglish.Wehavelearneddifferentwaystogreetsomeone,howtointroduceourselvesandothers,andhowtorespondtogreetings.Bytheendofthisunit,youwillbeabletogreetandintroduceyourselfinEnglish,aswellasrespondtogreetingsinapolitemanner.

Unit3:BasicGrammar

3.1Nouns

3.2Verbs

Averbisawordthatexpressesanaction,occurrence,orstateofbeing.Forexample,run,eat,sleep,andbeareallverbs.Verbscanbecategorizedasactionverbs(e.g.,run)orstateverbs(e.g.,be).

3.3Pronouns

3.4Adjectives

Anadjectiveisawordthatdescribesanounorpronoun.Forexample,big,happy,blue,andbeautifularealladjectives.Adjectivesadddetailanddescriptiontosentences,makingthemmorevividandinte