Unit8Adventure.Ⅰ单项填空1．Withsomuchwaterbeingusedinthebathroom，itisno________thatmoreenvironmentallyfriendlytechnologieshavecomeouttomakebetteruseofwaterresources.A．surpriseB．needC．questionD．doubt2．Shealwaysdiffers________me________howtospendthevacation.A．on；withB．with；onC．at；withD．from；in3．—Roselostherjobagain.—Don’tworry.Thereis________workforgirlsofherage.A．toomuchB．anumberofC．plentyofD．quantityof4．Ifyourracecarisn’tinsured，youmay________losingeverythingwhenithitssomethingsolid.A．delayB．denyC．avoidD．risk5．Theparentswillbe________unlesstheyknowthattheirchildrenaresafeandsound.A．eagerB．nervousC．anxiousD．conscious6．Haven’tyoubeenthankfulforthepreparationsshe________fortheparty？A．hadB．madeC．didD．paid7．They________thetrainuntilitdisappearedinthedistance.A．sawB．watchedC．noticedD．observed8．Thecharges________from5yuanto10yuan.A．changeB．varyC．differD．rank9．—Isthereany________tothetimethatIcanstayhere?—Yes，youmustleaveherebeforehecomesback.A．numberB．lengthC．limitD．matter10．—Areyoufreeafterschool?—Sorry，I’veplannedtotreatafriendofminetodinner________forhishelp.A．inorderB．inreturnC．inturnD．inhonour11．Youneedabreak.Whynottakeaweek________fromwork？A．offB．awayC．upD．along12．Noneofusexpectedthechairmanto________attheparty.Wethoughthewasstillinhospital.A．turninB．turnoverC．turnupD．turndown13．It’simportantforadvertisersto________theirmessage________customers.用心爱心专心1A．get；acrosstoB．make；knownC．get；downD．make；knowingto14．Eastofourschool________twocompanies________makeelectricmotorbikes.A．are；thatB．is；whereC．is；thatD．are；where15．IsawJack________bythepolice.A．takenawayB．takeawayC．beingtakenawayD．bothAandC.Ⅱ阅读理解Itmightseemhardtoimaginethatabadtoothcouldbedeadly.ButdoctorsintheWashingtonareasayatwelveyearoldboydiedlastmonthofatoothinfectionthatspreadtohisbrain.Theysayitmighthavebeenpreventediftheboyhadreceivedthedentalcareheneeded.ExpertsattheNationalInstitutesofHealthsaygooddentalcareshouldstartatbirth.Theysaybreastmilkisthebestfoodforthehealthydevelopmentofteeth.Breastmilkcanhelpslowbacterialgrowthandacidproductioninthemouth.Whenbaby’steethbegintoappear，youcancleanthemwithawettoothbrush.Dentistssayitisimportanttofindsofttoothbrushesmadeespeciallyforbabies，andusethemverygently.Theuseoffluoride(氟化物)toprotectteethiscommoninmanypartsoftheworld.Thisnaturalelementisoftenaddedtodrinkingwatersupplies.Thefluoridemixeswithenamel(釉质)，thehardsurfaceonteeth，tohelppreventholes，orcavitiesfromforming.ButtheAmericanAcademyofPediatricDentistrypointsoutthatyoungchildrenoftenswallowtoothpastewhentheybrushtheirteeth.Thegroupnotesthatswallowingfluoridatedtoothpastecancauseproblems.Soyoungchildrenshouldbecarefullysupervisedwhentheybrushtheirteeth.Andonlyasmallamountoffluoridatedtoothpaste，thesizeofagreenpea，shouldbeused.Parentsoftenwonderwhateffectssuckingathumborsuckingonapacifiermighthaveontheirbaby’steeth.Dentalexpertsgenerallyagreethatthisisfineearlyinlife.TheAmericanAcademyofFamilyPhysicianssaysmostkidsstopsuckingtheirthumbsbytheageoffour.Ifitcontinues，thegroupadvisesparentstotalktotheirchild’sdentistordoctor.Itcouldinfluencethecorrectdevelopmentofpermanentteeth.语篇定位本文是一篇新闻报道。人们很难想象牙病会致命，但是华盛顿地区的医生们说，上个月一个12岁的男孩死于蔓延到大脑的牙...
