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今天小编跟大家分享一篇有关职称英语新增文章二，相信小伙伴们对这个话题应该也很关注吧，现在就为小伙伴们说说职称英语新增文章二具体细节，小编也收集到了有关职称英语新增文章二的相关资料，希望大家看到了会喜欢。

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　　职称英语考试新增文章一

　　Primer on Smell

　　In addition to bringing out1 the flavor of food, what does the sense of smell do for us?

　　Smell “gives us information about place, about where we are，” says Randall Reed, a Johns Hopkins University professor whose specialty is the sense of smell. 1 “Whether we realize it or not, we collect a lot of information about who is around us based on smell，，，says Reed.

　　Even at a distance, odors can warn us of2 trouble — spoiled food, leaking gas, or fire. “It’s a great alert，，，offers Donald Leopold, a doctor at Johns Hopkins. For example, if something in the oven is burning, everyone in the house knows it.

　　With just a simple scent, smell can also evoke very intense emotion. Let’s say, for example，that the smell is purple petunias. 2 Now let’s imagine that your mother died when you were three, and she used to have a flower garden. You wouldn’t need to identify the smell or to have conscious memories of your mother or her garden. You would feel sad as soon as you smelled that spicy odor.

　　Compared with3 animals, how well do people detect smelts?

　　That depends on what you mean by “how well”. We are low on receptor cells ： current estimates say that humans have roughly five million smell-receptor cells，about as many as a mouse.

　　Reed says that, across species, there is a relatively good correlation between the number of receptor cells and how strong the sense of smell is. “You can hardly find the olfactory bulb in a

　　human brain it’s a pea-sized object. In a mouse, it，s a little bigger. It’s bean-sized in a rat, about

　　the size of your little finger in a rabbit, and the size of your thumb in a bloodhound.”

　　Does that mean that our sense of smell is not very acute?

　　Not exactly. While we may not have the olfactory range of other creatures, the receptors we do have are as sensitive as those of any animal. 4 A trained “nose，，，such as that of a professional in the perfume business, can name and distinguish about 10,000 odors. Reed says that a perfume expert can sniff a modem scent that has a hundred different odorants in it, go into the lab, and list the ingredients. “In a modest amount of time, he comes back with what to you or me would smell like a perfect imitation of that perfume. It’s amazing.”

　　What happens to4 our sense of smell as we age?

　　Many people continue to have good olfactory function as they get older. 5 Leopold says that smell is generally highest in childhood, stays the same from the teens through the 50s, and drops starting at about 60 for women and 65 for men. “The average 80-year-old is only able to smell things half as well as the average 20-year-old,says Leopold.

　　职称英语考试新增文章二

　　lee Cream Taster Has Sweet Job

　　John Harrison has what must be the most wanted job in the United States. He’s the official taster for Edy’s Grand Ice Cream, one of the nation’s best-selling brands. Harrison’s taste buds are insured for $1 million. 1 And when he isn’t doing that, he travels, buying Edy’s in supermarkets all over the country so that he can check for perfect appearance，texture, and flavor.

　　After I interviewed Harrison, I realized that the life of an ice cream taster isn’t all Cookies ’n Cream 一 a flavor that* he invented, by the way. No, it’s extremely hard work, which requires discipline and selflessness.

　　For one thing，he doesn’t swallow on the job. Like a coffee taster, Harrison spits. Using a gold spoon to avoid “off’ flavors, he takes a small bite and moves it around in his mouth to introduce it to all 9,000 or so taste buds. 2 Then he breathes in gently to bring the aroma up through the back of his nose. Each step helps Harrison evaluate whether the ice cream has a good balance of dairy, sweetness, and added ingredients 一 the three-flavor components of ice cream. Then, even if the ice cream tastes heavenly, he puts it into a trash can. A full stomach makes it, impossible to judge the quality of the flavors.

　　During the workweek, Harrison told me that he has to make other sacrifices, too: no onions, garlic, or spicy food, and no caffeine. Caffeine will block the taste buds, he says, so his breakfast is a cup of herbal tea. 3

　　Harrison’s family has been in the ice cream business in one way or another1 for four generations, so Harrison has spent his entire life with it2. However, he has never lost his love for its cold, creamy sweetness. 4 On these occasions3，he does swallow, and he eats about a quart (0.95 liters) each week. By comparison4, the average person in the United States eats 23.2 quarts (21. 96 liters) of ice cream and other frozen dairy products each year.

　　Edy，s ice cream is available in dozens of flavors. So what flavor does the best-trained ice-cream taster in the country prefer? Vanilla! In fact, vanilla is the best-selling variety in the United States

来源：学习啦