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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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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.
每个合格投资者能委托3个托管人，并可以更换托管人。( )
A scorching sun, an endless sea of sand and a waterless, forbiddingly lonely land—that is the image most people have of deserts. But how true is this picture Deserts are dry lands where rainfall is low. This is not to say rain never falls in deserts: it may fall once or twice a year in a fierce torrent that fades almost as soon as it has begun, or which evaporates in the hot air long before it has got anywhere near the earth. It may fall in a sudden sweeping flood that carries everything in its path. Rains may only come once in five or six years or not fall for a decade or more. The Mojave desert in the United States remained dry for twenty-five years. Without water no living thing can survive, and one feature of the true desert land-scape is the absence of vegetation. With little rain and hardly any vegetation the land suffers under the sun. There are virtually no clouds or trees to protect the earth’s surface and it can be burning hot. Under the sun, soils break up and crack. Wind and torrential rain sweep away and erode the surface further. Eight million square kilometers of the world’s land surface is desert. Throughout history deserts have been expanding and retreating again. Cave paintings show that parts of the Sahara Desert were green and fertile about 10,000 years ago, and even animals like elephants and giraffes roamed the land. Fossil and dunes found in fertile and damp parts of the world show that these areas were once deserts. But now the creation of new desert areas is happening on a colossal scale. Twenty million square kilometers, an area twice the size of Canada, is at a high to very high risk of becoming desert. With a further 1.25 million square kilometers under moderate risk, an area covering 30% of the earth’s land surface is desert, becoming desert, or in danger of becoming desert. The rate of growth of deserts is alarming. The world’s dry lands which are under threat include some of the most important stock-rearing and wheat-growing areas and are the homes of 600～700 million people. These regions are becoming deserts at the rate of more than 58,000 square kilometers a year or 44 hectares a minute. In North Africa at least 100,000 hectares of cropland are lost each year. At this rate there is a high risk that we will be confined to living on only 50% of this planet’s land surface within one more century unless we are able to do something about it. In the sentence "an area covering 30% of the earth’s land surface is desert, becoming desert, or in danger of becoming desert", the part of " is desert, becoming desert, or in danger of becoming desert" can be best replaced with______.
证券自营业务原始凭证以及有关业务文件、资料、账册、报表和其他必要的材料至少妥善保存5年。( )
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