Unit2TheOlympicGamesⅠ.单项填空1．Withsomuchwaterbeingusedinthebathroom，itisno________thatmoreenvironmentallyfriendlytechnologieshavecomeouttomakebetteruseofwaterresources.A．surpriseB．needC．questionD．doubt2．Thegirls________intothecompanyrecentlyhavetoreceivestricttrainingbeforetheystarttowork.A．acceptedB．acceptingC．admittedD．admitting3．—Excuseme,canyoutellmewherethenearestbankis,please?—________Ohyes!It’spasttheoffice，nexttoabigmarket.A．Mm，letmethink.B．Oh，Ibegyourpardon?C．You’rewelcome.D．Whatdoyoumean?4．—Myoldtyreexploded，canyou________itwithanewone?—Certainly，waitaminute.A．taketheplaceofB．replaceC．takeplaceD．inplaceof5．Inordertofind________betterjob，hedecidedtostudy________secondforeignlanguage.A．the；aB．a；aC．the；theD．a；the6．Hefeltthathedidn’t________tobegivensuchagreathonor.A．supposeB．deserveC．meanD．intend7．Tomaswellashisfriendswho________footballgames________traveledwiththeteam.A．likes；hasB．like；haveC．likes；haveD．like；has8．Thesedictionaries________thelibraryagain(byyou)．A．mustbetakenoutB．mustn’tbetakenoutofC．musttakeoutofD．mustn’ttakeoutof9．Hedidn’t________schoolthedaybeforeyesterday.A．attendB．joinC．joininD．takepartin10．________achairinthecorneroftheroom?A．DoestherestandB．StandthereC．TherestandingD．Dostandthere11．Ishall________thelossofmylaptopcomputerinthenewspaper，witharewardforthefinder.A．informB．advertiseC．announceD．publish12．—Excuseme，sir.Wouldyoudomeafavor?—Ofcourse.Whatisit?—I________ifyoucouldtellmehowtofilloutthisform.A．hadwonderedB．waswonderingC．wouldwonderD．didwonder13．Onlywhenyouridentityhasbeenchecked________.A．youareallowedinB．youwillbeallowedinC．willyouallowinD．willyoubeallowedin14．Hehasn’tbeentothecountryside；________hewanttogothere.A．sohasB．sodoesC．neitherhasD．neitherdoes15．Thewiselittlegirlcanrideahorseandswim，andshecanshoot________.A．aswellasB．aswellC．eitherD．alsoⅡ.阅读理解AItmightseemhardtoimaginethatabadtoothcouldbedeadly.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，thegroupadvisesparentstotalkt...
