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1、课时作业(十二) [必修3 Unit2 Healthyeating][限时：45分钟] Ⅰ.语法填空Thedisappearanceofthefamouscrimewriter,AgathaChristie,wasasmysteriousasanyofherexcitingstories.Atabout11o'clockontheeveningofFriday,December3,1926,MrsChristiegotintohercarandtookadrivewithoutsaying1.______
2、__shewasgoing.Shedidn'treturn.Thenextmorninghercarwasfoundwithout2.________driveratNewlandsCorner,Surrey.Peopleimaginedthatshemight3.________(kill)herself.4.________asthedayswentby,itwassuggestedthatshewasmurdered.Thepressandthepublic5.________(natural)tookgreatinterestint
3、hecase,withatleastonenewspaper6.________(offer)arewardtoanyonewhocouldfindMrsChristie.AgathafinallywasfoundaliveonTuesday,December14,7.________shewasreunitedwithherhusbandatahotelinHarrogate,NorthYorkshire,8.________waslocatedaround50kilometersawayfromhercar.9.________wass
4、aidthat,fortendays,thewriterhadbeenstayingatthehotelunderthenameof“MrsTheresaNeele”.Herhusbandsaid，“Shehassuffered10.________themostcompletelossofmemoryandIdonotthinksheknowswhosheis.”Ⅱ.阅读理解A[2010·广东卷]Foodsometimesgetspoisonedwithharmfulthings.Apersonwhoeatssuchfoodcangeta
5、nillnesscalledfoodpoisoning.Foodpoisoningisusuallynotserious,butsometypesaredeadly.Thesymptomsoffoodpoisoningusuallybeginwithinhoursofeatingthepoisonedfood.Feverisoneofthemostcommonsymptoms.Certainmicroorganisms(微生物)causemosttypesoffoodpoisoning.Bacteriaandothermicroorgani
6、smscanpoisoneggs,meat,vegetables,andmanyotherfoods.Afterenteringthebody,thesetinylivingthingsrelease(释放)poisonsthatmakepeoplesick.Somechemicalscanalsocausefoodpoisoning.Theyareoftenaddedtofoodwhileitisbeinggrown,processed,orprepared.Forexample,manyfarmersspraychemicalsoncr
7、opstokillweedsandinsects.Somepeoplemayhaveabadreactiontothosechemicalswhentheyeatthecrops.Someplantsandanimalscontainnaturalpoisonsthatareharmfultopeople.Theseincludecertainkindsofseafood,grains,nuts,seeds,beans,andmushrooms.Whenpeoplehandlefoodproperly,theriskoffoodpoison
8、ingisverysmall.Microorganismsmultiplyrapidlyindirtyplacesandinwarmtemperatures.Thismeanst
