语法填空.语法填空.Ifyouwalkedpastthesupermarket,youwouldfindmanyfoodsthathavebeentreated1_____(kill)anyharmfulgermsthatmighthavebeeninthem.Milkisagoodexample.Rawmilk-thatis,milkjustasitcomesfromth
语法填空.
语法填空. Ifyouwalkedpastthesupermarket,youwouldfindmanyfoodsthathavebeentreated1_____(kill)any
harmfulgermsthatmighthavebeeninthem.Milkisagoodexample.Rawmilk-thatis,milkjustasitcomes
fromthecow-maybe2_____(safe)todrink.But3_____themilkisheatedandthencooled,theharmful
germsarekilled.Theman4_____discoveredthiswayoftreatingmilkwasaFrenchmanbythenameof
LouisPasteur.
Inthesupermarketyouwouldalsofindmanyfrozenfoods-frozenfruits,vegetables,meatandfish.As
techniquesfor5_____(freeze)foodarebeingimproved,morefrozenfoodsareappearingonthemarket,
andmorepeoplearebuyingthem.Fruitsandvegetabletobesoldinthesupermarketareoftenfrozenthe
moment6_____arepicked.The7_____fruitsandvegetablearefrozen,thebetter.8_____machinesare
oftentakenintothefieldswhere9_____foodgrows,sothatlittletimeislost10_____pickingandfreezing.