高三高考英语阅读理解专项训练试题及答案
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 7