4000词精品教学课件 Book 4UNIT16.pptx
4000ESSENTIALEnglishwordsBOOK4Unit16
wordlist
[?s?d]n.Anacidisachemicalthatcanburnordissolveothersubstances.Inchemistryclass,wemixedtwoacidstogetherandwatchedthereactionacid
[?d?m?n??stre??(?)n]n.Anadministrationisthegroupofpeoplewhomanageacompanyororganization.Shehopedshecouldbepromotedtoajobinadministration.administration
[?d?m?n?str?t?v]adj.Administrativedescribesanythingrelatedtomanagingacompanyororganization.Iworkasanadministrativeassistanttotheownerofthecompany..administrative
[?ba???tek?n?l?d?i]n.Biotechnologyistheuseoflivingparts,suchascells,inindustryandtechnology.Researchersatthebiotechnologycompanyusebacteriatomakemedicine.biotechnology
[k??lest?r?l/]n.Cholesterolisasubstanceinfat,tissues,andbloodofallanimals.Whenpeoplehavetoomuchcholesterol,theyareatahighriskforheartproblems.cholesterol
[k????l??(?)n]n.Acoalitionisagroupofpeopleororganizationsworkingforacommonpurpose.Thecompaniesformedacoalitiontomaketradelessexpensive.coalition
[d??sept?v]adj.Whensomethingisdeceptive,itencouragesonetobelievesomethingthatisfalse.Thescary-lookingmansappearanceisdeceptive;heisactuallyverynice.deceptive
[?da???bi?ti?z]v.Diabetesisamedicalconditioninwhichapersonsbodycannotcontrolthelevelofsugarintheirblood.Overweightpeoplearemorelkelytosufferfromdiabetesthanslimmerones.diabetes
[??l?m?ne?t]v.Toeliminatesomethingthatisunwantedmeanstocompletelyremoveit.Wearingaseatbelteliminatessomeofthedangersofdrivingacar.eliminate
[??r???(?)n]n.Erosionisthedestructionofrockorsoilduetoflowingwaterorweather.Canyonsareformedbecauseriversoffast-movingwatercausederosion.erosion
[?eθ?ks]n.Ethicsaremoralbeliefsorrulesaboutrightorwrong.Theactofstealingcertainlydoesntgoagainstsomepe