[填空题] The History of the Fridge
1．The fridge is considered a necessity. It has been so since the 1960s when packaged food first appeared with he label: "store in the refrigerator."
2．In my fridgeless fifties childhood, I was fed well and healthily. The milkman came daily, the grocer, the butcher, the baker, and the ice-cream man delivered two or three times a week. The Sunday meat would last until Wednesday and surplus bread and milk became all kinds of cakes. Nothing was wasted and we were never troubled by rotten food. Thirty years on, food deliveries have ceased, fresh vegetables are almost unobtainable in the country.
3．The invention of the fridge contributed comparatively little to the art of food preservation. A vast variety of well-tried techniques already existed--natural cooling drying, smoking, salting, sugaring, bottling…
4．What refrigeration did promote was marketing--marketing hardware and electricity, marketing soft drinks, mar