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证券公司进行集合资产管理业务投资运作，在证券交易所进行证券交易的，应当集中在固定席位上进行，并向证券交易所、证券登记结算机构备案。( )
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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.
After the violent earthquake that shook Los Angeles in 1994, earthquake scientists had good news to report. The damage and death toll could have been much worse. More than 60 people died in this earthquake. By comparison, an earthquake of similar. intensity that shook America in 1988 claimed 25,000 victims. Injuries and deaths were relatively less in Los Angeles because the quake occurred at 4:31 a. m. on a holiday, when traffic was light on the city’s highways. In addition, changes made to the construction codes in Los Angeles during the last 20 years have strengthened the city’s buildings and highways, making them more resistant to quakes. Despite the good news, civil engineers aren’t resting on their successes. Pinned to their drawing boards are blueprints for improved quake-resistant buildings. The new designs should offer even greater security to cities where earthquakes often take place. In the past, making structures quake-resistant meant firm yet flexible materials, such as steel and wood, that bend without breaking. Later, people tried to lift a building off its foundation, and insert rubber and steel between the building and its foundation to reduce the impact of ground vibrations. The most recent designs give buildings brains as well as concrete and steel supports, called smart buildings, the structures respond like living organisms to an earthquake’s vibrations. When the ground shakes and the building tips forward, the computer would force the building to shift in the opposite direction. The new smart structures could be very expensive to build. However, they would save many lives and would be less likely to be damaged during earthquakes. The author’s main purpose in writing the passage is to______.
关于上海证券交易所B股交易的交收，下列说法正确的是( )。
2003年1月3日上海证券交易所推出了企业债券回购交易。( )
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