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证券交易所交易系统主机接受申报后，根据订单的成交规则进行撮合配对：符合成交条件的予以成交，不符合成交条件的继续等待成交，超过了委托时效的订单失效。( )
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证券公司经批准设立的证券营业部未能按期开业前，中国证监会不再受理其新设证券营业部的申请。( )
但是，对于所有的正在进行的激动人心的工作而言，科学远没有达到一个能塑造完美的人的美好新世界的景象——或者甚至于说是塑造一个美好的番茄。在基因治疗普及之前，仍然需要做大量研究。如果许多疾病真的可以治疗的话，那将花上数十年的时间。 就短期而言，遗传筛选将是运用新技术的最可行的办法。在治疗各种DNA缺陷之前，医生能够检测到它们。在某些情况下，这些信息可以延缓疾病的发作或是减轻它的作用效果。例如，一个有着遗传性易患心脏病体质的人可以进行低脂肪的饮食。如果科学家测出由于制造一种重要蛋白质的基因存在缺陷，从而导致这种蛋白质丢失的话，也许科学家就可以给这位病人提供人工蛋白质。然而，在其他的情况下，对于阻止由于基因突变而导致的不幸几乎无能为力。
The fridge is considered a necessity. It has been so since the 1960s when packaged food first appeared with the label: "store in the refrigerator. " In my fridgeless fifties childhood, I was fed well and healthily. The milkman came daily, the grocer, the butcher, the baker, and the ice-cream man delivered two or three times a week. The Sunday meat would last until Wednesday and surplus bread and milk became all kinds of cakes. Nothing was wasted, and we were never troubled by rotten food. Thirty years on food deliveries have ceased, fresh vegetables are almost unobtainable in the country. The invention of the fridge contributed comparatively little to the art of food preservation. A vast way of well-tried techniques already existed—natural cooling, drying, smoking salting, sugaring, bottling... What refrigeration did promote was marketing—marketing hardware and electricity, marketing soft drinks, marketing dead bodies of animals around the globe in search of a good price. Consequently, most of the world’s fridges are to be found, not in the tropics where they might prove useful, but in the wealthy countries with mild temperatures where they are climatically almost unnecessary. Every winter, millions of fridges hum away continuously, and at vast expense, busily maintaining an artificially-cooled space inside an artificially-heated house while outside, nature provides the desired temperature free of charge. The fridge’s effect upon the environment has been evident, while its contribution to human happiness has been insignificant. If you don’t believe me, try it yourself, invest in a food cabinet and turn off your fridge next winter. You may miss the hamburgers, but at least you’ll get rid of that terrible hum. What statement can be inferred from this article
There are so many new books about dying that there are now special shelves set aside for them in bookshops, along with the health-diet and home-repair paperbacks. Some of them are so (61) with detailed information and step-by-step instructions for performing the function, that you’d think this was a new sort of (62) which all of us are now required to learn. The strongest impression the casual reader gets is that proper dying has become an extraordinary, (63) an exotic experience, something only the specially trained can do. (64) , you could be led to believe that we are the only (65) capable of being aware of death, and that when the rest of nature is experiencing the life cycle and dying, one generation after (66) , it is a different kind of process, done automatically and trivially, or more "natural", as we say. An elm in our backyard (67) the blight (枯萎病) this summer and dropped stone dead, leafless, almost overnight. One weekend (68) was a normal-looking elm, maybe a little bare in spots but (69) alarming, and the next weekend it was gone, passed over, departed, taken. Taken is right, for the tree surgeon came by yesterday with his (70) of young helpers and their cherry picker, and took it down branch by branch and carted it off in the back of a red truck, everyone (71) . The dying (72) a field mouse, at the jaws of an amiable household cat, is a spectacle I have beheld many times. It (73) to make me wince. However, early in life I gave up throwing sticks (74) the cat to make him drop the mouse, (75) the dropped mouse regularly went ahead and died anyway.
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