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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,MrsChristiegotintohercarandtookadrive
2、withoutsaying1.________shewasgoing.Shedidn'treturn.Thenextmorninghercarwasfoundwithout2.________driveratNewlandsCorner,Surrey.Peopleimaginedthatshemight3.________(kill)herself.4.________asthedayswentby,itwassuggestedthatshewasmurdered.Thepressandthepub
3、lic5.________(natural)tookgreatinterestinthecase,withatleastonenewspaper6.________(offer)arewardtoanyonewhocouldfindMrsChristie.AgathafinallywasfoundaliveonTuesday,December14,7.________shewasreunitedwithherhusbandatahotelinHarrogate,NorthYorkshire,8.__
4、______waslocatedaround50kilometersawayfromhercar.9.________wassaidthat,fortendays,thewriterhadbeenstayingatthehotelunderthenameof“MrsTheresaNeele”.Herhusbandsaid，“Shehassuffered10.________themostcompletelossofmemoryandIdonotthinksheknowswhosheis.”Ⅱ.阅读理
5、解A[2010·广东卷]Foodsometimesgetspoisonedwithharmfulthings.Apersonwhoeatssuchfoodcangetanillnesscalledfoodpoisoning.Foodpoisoningisusuallynotserious,butsometypesaredeadly.Thesymptomsoffoodpoisoningusuallybeginwithinhoursofeatingthepoisonedfood.Feverisoneof
6、themostcommonsymptoms.Certainmicroorganisms(微生物)causemosttypesoffoodpoisoning.Bacteriaandothermicroorganismscanpoisoneggs,meat,vegetables,andmanyotherfoods.Afterenteringthebody,thesetinylivingthingsrelease(释放)poisonsthatmakepeoplesick.Somechemicalscana
7、lsocausefoodpoisoning.Theyareoftenaddedtofoodwhileitisbeinggrown,processed,orprepared.Forexample,manyfarmersspraychemicalsoncropstokillweedsandinsects.Somepeoplemayhaveabadreactiontothosechemicalswhentheyeatthecrops.Someplantsandanimalscontainnaturalpo
8、isonsthatareharmfultopeople.Theseincludecertainkindsofseafood,grains,nuts,seeds,beans,andmushrooms.Whenpeoplehandlefoodproperly,theriskoffoodpoisoningisverysmall.Microorganismsmultiplyrapidlyindirtyplacesandinwarmtemperatures.Thismeanst
