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    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(化學物質)．These chemicals can kill bacteria(細菌)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．
小題1:The chemicals in spices keep food from spoiling by_________．
A．making food taste better
B．making food hotter
C．killing bacteria in food
D．preventing bacteria getting into food
小題2:Food goes bad more quickly in hot climates because_______．
A．high temperature makes more bacteria
B．high temperature helps bacteria grow faster
C．bacteria get used to hot food
D．bacteria spoil food only at high temperature
小題3:According to the passage，spices are useful in an the following things except_______．
A．replacing fridges
B．helping you to live longer
C．helping to keep you healthier
D．making your food taste better

小題1:C
小題1:B
小題1:A

文章講的是為什么人們喜歡吃辛辣的食物的原因。
1. C 細節(jié)考理題，從These chemicals can kill bacteria(細菌)which spoil food可知它們可以殺死食物中的細菌，故選C。
2. B 從The bacteria grow more easily and spoil food more quickly at higher temperatures可知氣溫越高細菌越容易越快生長，從而導致食物的變質，選B。
3. A 此題是對全文內容的分析。從文章最后一段可知B,C,D正確，有段時間把辛辣食物放裝箱里只是讓食物更好吃，更沒有說能代替冰箱，故D說法片面不正確，選A。
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