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    A bookseller in Chongqing has been leaving novels on trains and at stations to inspire more commuters(上下班往返的人)to read, after seeing British actress Emma Watson take part in a similar project in London.

    Author and bookstore owner Jiang Lin, 29, randomly placed 40 works along the city's light-rail system on Sunday. Whoever finds a book can read it in public or take it home, but they are encouraged to leave it again on public transportation once they have finished with it. Jiang said, “I considered the needs of commuters," he said. "I hope strangers can feel comforted by the books and feel connected with other readers."

    All 40 books were chosen from Jiang's store, Razor's Edge Book Club, which he opened in the summer, and included fiction and nonfiction, with topics ranging from art and social sciences to philosophy and history Jiang's Books on the Chongqing Light Rail project follows the same model as Books on the Underground, which was started in 2012 and sees “book fairies” leave works on London Tube trains and at stations. Readers are encouraged to share their views on the books. It was revealed on Nov. 1 that Watson, who is best-known for the Harry Potter movie series, is a book fairy.

    “After I read the news about her leaving books on the London Tube, I was so inspired that I immediately decided to do something over the weekend,” Jiang said. However, his decision was so spontaneous that he had no time to make the stickers that are usually placed on each book to identify them as part of the project . Instead, he put a note on the fly page to introduce the concept.

    To his surprise, one of his friends was among those who found his books and posted a picture on WeChat Moments, a social media function on the instant-messaging app. Jiang said more than 20 people have since come onboard and are now working on a more detailed than to spread the love of reading. Although increasing numbers of people read on digital devices, books have not totally gone out of fashion. Jiang mentioned that they needed the support from Chonqing Light Rail Co. to ensure the books to stay there and also hoped the project could be welcomed across the country.

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                                                                                            饮食不宜过烫
         口腔食道都怕烫,热饮热食有损伤。上皮增生会恶变,吃饭喝汤不要忙。
         温度对人具有诸多微妙作用。生命在进化中都有自身最适合的温度,进化程度越高,要求最佳适宜温度越严格。人体体温在37。C左右时,代谢活动处于最佳状态,人体细胞对高温的耐受性比低温差。热对肿瘤细胞也产生微妙的生物学作用,许多试验证明,肿瘤细胞的致死温度临界点为42.5。C~43。C,在此温度范围内,延长加温时间可抑制肿瘤细胞生长,由此产生了温热疗法治疗肿瘤。
        但是事物都具有两面性。流行病学调查发现,一些地区的食管癌、贲门癌、口腔癌又可能与热饮热食有关,就是说有可能某些黏膜上皮的肿瘤是“烫”出来的。我国新疆哈萨克族居住的地区喜欢饮用热奶茶,一日数遍;东南沿海潮汕地区的居民喜喝“功夫茶”,且要趁热饮用;太行山区的人们习惯于趁热喝大碗粥。①这些地区都是我国食管癌的高发区。当然,肿瘤的发生原因复杂,并非单一因素,流行病学调查,太行山区成为食管癌高发区除热食外,还与饮食特点如粗、快、硬等有关。
        研究发现,人体在37。C左右的情况下,口腔和食管的温度多在36.5。C~37.2。C,最适宜的进食温度在10。C~40。C左右,一般耐受的温度最高为50。C~60。C。当感到很热时,温度多在70。C左右。②经常热食的人,在温度很高的情况下也不觉得烫,但是在接触75。C左右的热食、热饮时,娇嫩的口腔、食管黏膜会有轻度灼伤,灼伤的黏膜表层会及时脱落、更新,基底的细胞会迅速增生、更新、补充、,久而久之,增生的细胞速度如异常加快或在不良刺激下发生变异,最终产生不良后果。另外,由于黏膜在热刺激不断增加的情况下会增厚,增厚的黏膜受热刺激反应会越来越不敏感,加之食管黏膜的神经反射本来就很迟顿,这样会越来越不怕热,越不怕热会越敢吃烫的东西,而吃得越烫,口腔黏膜会越增厚。如此恶性循环,人会不由自主地接受越来越严重的灼伤刺激。这种刺激带来的损伤还有可能引起久治不愈的食管炎,这种食管炎有时伴有间变细胞,有人提示这有可能是癌前病变之一。研究人员发现,食管癌往往合并有食管炎,食管炎往往比食管癌早10年。
        热饮热食不但与肿瘤的发生有关,而且对食物的消化吸收也不利。食物太烫,在口腔存在时间偏短,刺激唾液分泌减少,以及唾液与食物混合过程不充分,这不利于饮食的消化吸收。另外,温热刺激能掩盖味觉的充分体验,往往难以细细品味各种食物的美味。
         饮食过烫,不论从防癌或一般饮食卫生角度看,都属于不良的生活习惯。应努力纠正,尤其是那些有食管贲门癌家族史的人,更应早日改弦易辙。
清淡温凉吃美味,食不过烫保平安。