七年级英语上下册重点单词

七年级英语上下册重点单词

Unit1:Greetings

1.hello

-Definition:usedtogreetsomeoneorattractattention.

-Example:Hello,howareyou?

-Usage:Itisacommongreetingusedinbothformalandinformalsituations.

2.hi

-Definition:aninformalgreetingorexpressionofsurprise.

-Example:Hi,I'mTom.

-Usage:Itiscommonlyusedamongfriendsandacquaintancesincasualconversations.

3.goodmorning

-Definition:apolitegreetingusedinthemorninguntilaroundnoon.

-Example:Goodmorning,haveagreatday!

-Usage:Itismainlyusedinformalsituations,suchasgreetingcolleaguesorteachersinthemorning.

4.goodafternoon

-Definition:apolitegreetingusedintheafternoonuntilaroundsunset.

-Example:Goodafternoon,howcanIhelpyou?

-Usage:Similarto"goodmorning,"itisusedinformalsituationsduringtheafternoon.

5.goodevening

-Definition:apolitegreetingusedintheevening,typicallyaftersunset.

-Example:Goodevening,mayItakeyourorder?

-Usage:Itisalsousedinformalsituationswhengreetingsomeoneintheevening.

6.goodbye

-Definition:usedtoexpressgoodwisheswhenpartingfromsomeone.

-Example:Goodbye,seeyoutomorrow!

-Usage:Itiscommonlyusedwhenleavingsomeoneorsayingfarewell.

7.goodnight

-Definition:usedtoexpressgoodwisheswhenpartingfromsomeonebeforegoingtosleep.

-Example:Goodnight,sleeptight!

-Usage:Itiscommonlyusedbeforegoingtobedorwhensayinggoodnighttosomeone.

Unit2:PersonalPronouns

1.I

-Definition:thefirstpersonsingularpronoun.

-Example:Iamastudent.

-Usage:Itisusedwhenreferringtooneself.

2.you

-Definition:thesecondpersonpronoun,bothsingularandplural.

-Example:Youaremybestfriend.

-Usage:Itisusedwhenreferringtothepersonorpeoplebeingspokento.

3.he

-Definition:thethirdpersonsingularmasculinepronoun.

-Example:Heismybrother.

-Usage:Itisusedwhenreferringtoamalesubject.

4.she

-Definition:thethirdpersonsingularfemininepronoun.

-Example:Sheismysister.

-Usage:Itisusedwhenreferringtoafemalesubject.

5.it

-Definition:thethirdpersonsingularneuterpronoun.

-Example:Itisacat.

-Usage:Itisusedwhenreferringtoobjects,animals,orthingsthatdonothaveaspecificgender.

6.we

-Definition:thefirstpersonpluralpronoun.

-Example:Wearegoingtothepark.

-Usage:Itisusedwhenreferringtoagroupofpeoplethatincludesthespeaker.

7.they

-Definition:thethirdpersonpluralpronoun.

-Example:Theyaremyfriends.

-Usage:Itisusedwhenreferringtoagroupofpeoplethatdoesnotincludethespeaker.

Unit3:Numbers

1.one

-Definition:thenumberorquantitythatfollowszeroandprecedestwo.

-Example:Ihaveonepen.

-Usage:Itisusedtorepresentthenumberoneincountingorwhenreferringtoasingleitem.

2.two

-Definition:thenumberorquantitythatfollowsoneandprecedesthree.

-Example:Therearetwocats.

-Usage:Itisusedtorepresentthenumbertwoincountingorwhenreferringtoapairorcouple.

3.three

-Definition:thenumberorquantitythatfollowstwoandprecedesfour.

-Example:Ihavethreebooks.

-Usage:Itisusedtorepresentthenumberthreeincountingorwhenreferringtoasmallgroupofitems.

4.four

-Definition:thenumberorquantitythatfollowsthreeandprecedesfive.

-Example:Therearefourchairsintheroom.

-Usage:Itisusedtorepresentthenumberfourincountingorwhenreferringtoasmallgroupofitems.

5.five

-Definition:thenumberorquantitythatfollowsfourandprecedessix.

-Example:Ihavefivefingers.

-Usage:Itisusedtorepresentthenumberfiveincountingorwhenreferringtoasmallgroupofitems.

6.six

-Definition:thenumberorquantitythatfollowsfiveandprecedesseven.

-Example:Therearesixstudentsintheclass.

-Usage:Itisusedtorepresentthenumbersixincountingorwhenreferringtoasmallgroupofitems.

7.seven

-Definition:thenumberorquantitythatfollowssixandprecedeseight.

-Example:Ineedsevenpencils.

-Usage:Itisusedtorepresentthenumbersevenincountingorwhenreferringtoasmallgroupofitems.

Unit4:SchoolSubjects

1.math

-Definition:thestudyofnumbers,calculations,andshapes.

-Example:Ihavemathclasstoday.

-Usage:Itiscommonlyusedtorefertothesubjectofmathematics.

2.English

-Definition:thestudyoftheEnglishlanguage,literature,andwriting.

-Example:IenjoystudyingEnglish.

-Usage:ItisusedtorefertothesubjectoftheEnglishlanguage.

3.science

-Definition:thestudyofthenaturalworld,includingbiology,chemistry,andphysics.

-Example:Wearelearningaboutplantsinscienceclass.

-Usage:Itisusedtorefertothesubjectofscientificknowledge.

4.history

-Definition:thestudyofpasteventsandhumansocieties.

-Example:Historyismyfavoritesubject.

-Usage:Itisusedtorefertothesubjectofhistoricaleventsandknowledge.

5.geography

-Definition:thestudyofthephysicalfeatures,climate,andhumanpopulationsoftheEarth.

-Example:Wearestudyingmapsingeographyclass.

-Usage:Itisusedtorefertothesubjectofgeographicalinformation.

6.art

-Definition:theexpressionorapplicationofhumancreativeskillandimagination.

-Example:Ilovepaintinginartclass.

-Usage:Itisusedtorefertothesubjectofartisticactivitiesandskills.

7.music

-Definition:vocalorinstrumentalsoundscombinedinsuchawayastoproducebeautyofform,harmony,andexpression.

-Example:Iplaythepianoinmusicclass.

-Usage:Itisusedtorefertothesubjectofmusicalknowledgeandperformance.

Unit5:Colors

1.red

-Definition:acolorattheendofthespectrumnexttoorangeandoppositeviolet.

-Example:Theroseisred.

-Usage:Itisusedtodescribethecolorred.

2.blue

-Definition:acolorresemblingtheskyonaclearday.

-Example:Theoceanisblue.

-Usage:Itisusedtodescribethecolorblue.

3.yellow

-Definition:acolorresemblingthesunorripelemons.

-Example:Thesunflowerisyellow.

-Usage:Itisusedtodescribethecoloryellow.

4.green

-Definition:acolorresemblinggrassorfoliage.

-Example:Thegrassisgreen.

-Usage:Itisusedtodescribethecolorgreen.

5.orange

-Definition:acolorbetweenredandyellowonthespectrum.

-Example:Theorangeisripe.

-Usage:Itisusedtodescribethecolororange.

6.purple

-Definition:acolorbetweenredandblueonthespectrum.

-Example:Thelavenderflowerispurple.

-Usage:Itisusedtodescribethecolorpurple.

7.black

-Definition:theabsenceoflightordarkness.

-Example:Thecatisblack.

-Usage:Itisusedtodescribethecolorblack.

Unit6:Family

1.father

-Definition:amaleparent.

-Example:Myfatherisadoctor.

-Usage:Itisusedtorefertoone'smaleparent.

2.mother

-Definition:afemaleparent.

-Example:Mymotherisateacher.

-Usage:Itisusedtorefertoone'sfemaleparent.

3.brother

-Definition:a