2014届高考英语一轮复习 语篇微写作强化系列Test4精选导学案 北师大版.doc

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1、2014届高考英语一轮复习语篇微写作强化系列Test5精选导学案北师大版Ⅰ.阅读理解AItmightseemhardtoimaginethatabadtoothcouldbedeadly.ButdoctorsintheWashingtonareasaidaboydiedwhenatoothinfectionspreadtohisbrain.Theysaiditmighthavebeenpreventedhadhereceivedthedentalcareheneeded.Hewas12yearsold.ExpertsattheNationalInstitutesofHealt

2、hsaygooddentalcarestartsatbirth.Breastmilk，theysay，isthebestfoodforthehealthydevelopmentofteeth.Breastmilkcanhelpslowbacterialgrowthandacidproductioninthemouth.Butdentistssayababy’sgumsandearlyteethshouldbecleanedaftereachfeeding.Useaclothwithalittlewarmwater.Dothesameifababyisfedwithabottl

3、e.Expertssayifyoudecidetoputyourbabytosleepwithabottle，giveonlywater.Whenbabyteethbegintoappear，youcancleanthemwithawettoothbrush.Dentistssayitisimportanttofindsofttoothbrushesmadeespeciallyforbabiesandtousethemverygently.Theuseoffluoride(氯化物)toprotectteethiscommoninmanypartsoftheworld.Fore

4、xample，itisoftenaddedtodrinkingwatersupplies.Thefluoridemixeswithenamel(釉质)，thehardsurfaceonteeth，tohelppreventholes，orcavities，fromforming.Butyoungchildrenoftenswallowtoothpastewhentheybrush.TheAmericanAcademyofPediatricDentistrynotesthatswallowingfluoridatedtoothpastecancauseproblems.Soyo

5、ungchildrenshouldbecarefullysupervisedwhentheybrushtheirteeth.Andonlyasmallamountoffluoridatedtoothpaste，thesizeofagreenpea，shouldbeused.Parentsoftenwonderwhateffectthumbsuckingorsuckingonapacifiermighthaveontheirbaby’steeth.Dentalexpertsgenerallyagreethatthisisfineearlyinlife.TheAmericanAc

6、ademyofFamilyPhysicianssaysmostchildrenstopsuckingtheirthumbbytheageoffour.Ifitcontinues，thegroupadvisesparentstotalktotheir6child’sdentistordoctor.Itcouldinterferewiththecorrectdevelopmentofpermanentteeth.1．Theboywithabadtoothdiedbecause________.A．histoothdiseasewasverydeadlyB．thedoctorref

7、usedtotreathimproperlyC．hedidn’treceivetimelytreatmentD．somethingwaswrongwithhisbrain答案　C解析　细节理解题。根据第一段中的“Theysaiditmighthavebeenpreventedhadhereceivedthedentalcareheneeded.”可知，如果男孩得到及时的治疗的话，或许能阻止这种事情的发生。2．Allthefollowingstatementsaregoodtotheteethexcept