[简答]  二、阅读理解阅读下面的文章，根据文章内容，完成相应的选择题。（每题10分）　　Aquestionthatoftentroublesfoodcompaniesishowtocontrolproblemslikeratsandinsectswithoutharmingthefood.Pestcontrolexpertssaypoisonsshouldneverbeusedwheretheymayenterfood.Theysaythefirstlineofdefenseagainstpestsistocleantheplaceswherethefoodishandledorstored.　　Floors,foodpreparationsurfacesandtoolscanbedisinfectedwithchemicalslikechlorine,iodineorbromine.Foodcontainersshouldbestoredabouthalfameteroffthegroundandabouthalfameterawayfromanywalls.Storageareasshouldbekeptdryandclean.　　Containersforrawmaterialssuchasrice,wheat,etc.shouldbekeptclosedandclean.Anyfoodstuffsplitduringdeliveryorhandlingshouldbeclearedupbothinsideandoutsidethebuilding.Pestsenterabuildingfromtheoutside,sopayattentiontoouterwalls.Smallstonescanbeusedtocoverthegroundandblockthegrowthofplantsandthegrassshouldbekeptshorttodenypestsaplacetolive.　　Checkthatdoorsandwindowsarecompletelyclosed.Alsoanyholethatmightallowpeststoenterabuildingshouldbefilled.Ratscanenterthroughaholethesizeofacoin.Amousecanpassthroughaholehalfthatsize.　　Supervisorsshouldmakealistofpestcontrolmeasurestobetakenbyemployees.Thiswillaidtheeffortsandalsohelpprepareforanyinspections.Inmostcountries,thereisafoodanddrugadministrationbureau,orsomeagencywithasimilarname,whichenforcesrulesnationwide,responsibleforrulesabouttheuseofpesticides,etc.However,businesseswherefoodisstored,preparedorsoldmustalsofollowstateandlocalhealthlaws.Mostofthesegovernmentaldepartmentsorbureaushavetheirwebsiteswithinformationaboutfoodsafetypoliciesandotherissues.Peoplecaneasilyaccesstheinformation.　操作提示：通过题干后的下拉框选择题目的正确答案。1.Where,accordingtoPestcontrolexperts,shouldpoisonsneverbeused?　A.Wherefoodmaybecontaminated.　B.Wheretherearefewrats.　C.Wherechildrenmaygethandsonthem.2.Fromthetext,weknowthatlikechlorine,iodineorbromineareall__________.　A.foods　B.chemicals　C.fruits3.Outerwallsarebuilt___________.　A.topreventpestsfromenteringabuildingfromoutside.　B.toprotectriceandwheatfromrainandwind.　C.toblockthegrowthofplants.4.Whyisitnecessaryforsupervisorstomakealistofpestcontrolmeasures?　A.Tofollowstateandlocalhealthlaws.　B.Tobecarriedbyemployees.　C.Tohelpcontrolpestsandhelpprepareforanyinspection.5.Theresponsibilitiesofafoodanddrugadministrationbureauis__________.　A.tosetuprulesabouttheuseofpesticidesandenforcesthemalloverthecountry.　B.tomakesureanyholethatmightallowpeststoenterabuildingshouldbefilled.　C.tocheckthatdoorsandwindowsarecompletelyclosed.