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        外祖母说话好似在用心地唱歌,字字句句都像鲜花那样温柔、鲜艳和丰润,一下子就牢牢地打进我的记忆里。她微笑的时候,那黑得像黑樱桃的眼珠儿睁得圆圆的,闪出一种难以形容的愉快的光芒,在笑容里,快活地露出坚固的雪白的牙齿,虽然黑黑的,两颊有许多皱纹,但整个面孔仍然显得年轻,明朗。但这面孔却被松软的鼻子、胀大了的鼻孔和红鼻尖儿给弄坏了。她从一个镶银的黑色鼻烟壶里嗅烟草。她的衣服全是黑的,但通过她的眼睛,从她内心却射出一种永不熄灭的、快乐的、温暖的光芒。她腰弯得几乎成为驼背,肥肥胖胖,可是举动却像一只大猫似的轻快而敏捷,并且柔软得也像这个可爱的动物。
        在她没来以前,我仿佛是躲在黑暗中睡觉,但她一出现,就把我叫醒了,把我领到光明的地方,用一根不断的线把我周围的一切连结起来,织成五光十色的花边,她马上成为我终身的朋友,成为最知心的人,成为我最了解、最珍贵的人,——是她那对世界无私的爱丰富了我,使我充满了坚强的力量以应付困苦的生活的。

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    Nobody likes doing the dishes, but it turns out that doing this daily task might pay off in an unexpected way. According to a new study published in the Journal of Pediatrics, washing dishes by hand instead of using a dishwasher might prevent the development of allergies.

    Researchers in Sweden surveyed the parents of 1,029 children ages 7 and 8. They discovered that children whose families hand-washed the dishes instead of using a machine were less likely to have allergies.

    Earlier research has shown that dishes washed by machine are cleaner than those washed by hand. So why would kids who eat off slightly dirtier plates be better off when we talk about preventing allergies? One explanation is based on a theory known as the "hygiene hypothesis (卫生假说)," which says the reason why kids develop allergies is that their surroundings are actually too clean.

    Your immune (免疫) system keeps you healthy by fighting germs (病菌) like bacteria and viruses. But when you have allergies, it overreacts and tries to fight ordinary things like pollen (花粉) or certain foods.

    Being exposed to germs, particularly early in life, is good training for the immune system, says the lead author of the study, Dr. Bill Hesselmar of Queen Silvia Hospital in Sweden. "You excite the immune system in various ways and it becomes tolerant."

    This study shows that while using the dishwasher might be easier, the old-fashioned method of cleaning up could be better for your health.