Unit1单词词性意思单词单词encyclopaediahumandinosaurItalianinventormusicianscientistborncountrysideintelligenceartisticabilityperhapsinventionnotebooksuddenlynobodyfossilwindollarinthecountrysidehumanbeingdieoutfindoutgoforawalkUnit2单词词性意思单词单词numberinstructionscheckgramsonchessIndiawisechallengepromiseprizegrainchessboarddoubleamountrestgoldinsteadrealizecopycorrectlytrafficaccidentalongtimeagochallenge...to..andsooncopydownUnit3单词词性意思单词单词ordercomparemonitorspeakermainkeyboardmousetypebraincontrolexpensivetinydependcalculatespeedoperaterailwaycompanypricetotalinchsellpopularWorkasbeunawareofdependoninadditiongrandtotallookforwardtoUnit4单词词性意思单词单词advertisementfunnycreatetelephonewheelcomfortablecarriagecenturypassengerinventpracticalsincedistanceMobilephoneanytimedeveloplampcandledaytimedustspecialwingintroductioninsteadofpetrolsincethenkeepintouchwithinthedaytimekeep...off...atthesametimeUnit5单词词性意思单词单词educationexchangeculturehostlocalBritishgladguestchopstickweekdaytourfantasticexperienceT’aichialreadyintroducesuccessyetrespectatfirstsofarabitofintroduce...to...comeover(to...)Unit6单词词性意思单词单词ancientTrojanwarunderstanddifferencepyramidcaptainGreekcapturesoldierhugepullmaincelebratestupidmidnightemptyexceptsecretsidequietlyarmyentersucceedtrickprincequeenstealpunishscenesiractoutmakejokesaboutexceptforbefullofintheendcomeonUnit7单词词性意思单词单词memorycornerloseimprovementionmethodspellingmindsillymileletterworthspellunlesstroubleliststepcyclesimilarnotewalletbasketmanagertakeoutpouroutUnit8单词词性意思单词单词speechnoticecompetitiontreasuretextchanceconfidentlytopicwinneradviseseveralopinionwholesuggestioncommunicatewheneverrichpoorhideattackshyelsechoosetreasureinpublicputoninmyopinionabovealllookout