Why do you think people who live in some hot countries eat very spicy(辛辣的)food? Is it bec

Why do you think people who live in some hot countries eat very spicy(辛辣的)food? Is it because the spices make the food taste better? Is it just because their parents and grandparents and great-grandparents liked hot food，or is there some connection between spices and healthy food?
Researchers from Cornell University think that it is because spice plants have some important chemicals(化学物质)．These chemicals can kill bacteria(细菌)which spoil food．
“Most common spices can kill 75 to 100 percent of the bacteria in food，”explains one of the scientists．The bacteria grow more easily and spoil food more quickly at higher temperatures．For this reason，it is more difficult to keep food from spoiling in hot climates，
Do you like your food spicy? Your answer probably tells something about the country you come from．If you like spicy food，it is possible that hundreds of years ago，when there were no fridges，people in your country started using spices to keep the food from spoiling．The traditional spicy dishes helped those people to live longer，healthier lives．Today，in a time of fridges，the spices just make the food taste good．
【小题1】The chemicals in spices keep food from spoiling by ．A．making food taste betterB．making food hotterC．killing bacteria in foodD．preventing bacteria getting into food【小题2】Food goes bad more quickly in hot climates because ．A．high temperature makes more bacteriaB．high temperature helps bacteria grow fasterC．bacteria get used to hot foodD．bacteria spoil food only at high temperature【小题3】According to the passage，spices are useful in an the following things except ．A．replacing fridgesB．helping you to live longerC．helping to keep you healthierD．making your food taste betterC

(答案→)C 解析：文章讲的是为什么人们喜欢吃辛辣的食物的原因。1. C 细节考理题，从These chemicals can kill bacteria(细菌)which spoil food可知它们可以杀死食物中的细菌，故选C。2. B 从The bacteria grow more easily and spoil food more quickly at higher temperatures可知气温越高细菌越容易越快生长，从而导致食物的变质，选B。3. A 此题是对全文内容的分析。从文章最后一段可知B,C,D正确，有段时间把辛辣食物放装箱里只是让食物更好吃，更没有说能代替冰箱，故D说法片面不正确，选A。

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