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金融期货的投资者应当遵守______的原则，承担金融期货交易履约责任。
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Since Henry Ford turned it into a mass-market product a century ago, the car has delivered many benefits. It has【C1】______economic growth, increased social mobility and given people a lot of【C2】______. No wonder mankind has taken to the vehicle with such【C3】______ that there are now a billion automobiles on the world"s roads. 【C4】______the car has also brought many【C5】______. It pollutes the air, creates crowding and kills people. An 【C6】______1.24m people die, and as many as 50m are hurt, in road accidents each year. Drivers and【C7】______waste around 90 billion hours in traffic jams each year. Fortunately, an【C8】______technology promises to make motoring more【C9】______less polluting and less【C10】______ to hold-ups. "Connected cars"—which may eventually evolve into driverless cars but for the foreseeable future will still have a human at the【C11】______—can communicate wirelessly with each other and with traffic-management systems, avoid 【C12】______ and other vehicles and find open parking spots. Some parts of the【C13】______are already in place. Many new cars are already being fitted with equipment that lets them maintain their distance and stay in a motorway lane automatically at a range of speeds, and【C14】______ a parking space and slot into it. Singapore has led the way with using variable tolls to【C15】______traffic flows during rush-hours; Britain is【C16】______ "smart motorways", whose speed limits vary constantly to achieve a similar effect Combined, these 【C17】______ could create a much more efficient system in which cars and their drivers are constantly【C18】______to hazards and routed around blockages, traffic always flows at the【C19】______speed and vehicles can travel closer together, yet with less risk of【C20】______. 【C9】
The more parents talk to their children, the faster those children"s vocabularies grow and the better their intelligence develops. In 1995, Betty Hart and Todd Risley of the University of Kansas found a close【C1】______between the number of words a child"s parents had spoken to him【C2】______the time he was three and his【C3】______success at the age of nine. At three, children born into professional families had【C4】______30m more words than those from a poorer background. This observation has profound【C5】______for policies about babies and their parents. It suggests that sending children to "preschool" (【C6】______or kindergartens) at the age of four—a favored【C7】______among policymakers—comes too late to【C8】______for educational shortcomings at home.【C9】______, understanding of how children"s vocabularies develop is growing. One of the most striking【C10】______came from Anne Fernald, who has found that the difference【C11】______well before a child is three. Even at the【C12】______age of 18 months, when most toddlers speak only a dozen words, those from【C13】______families are several months behind other more favored children. 【C14】______, Dr Fernald thinks the differentiation starts at birth. She 【C15】______ how quickly toddlers process language by sitting them on their mothers" laps and showing them two images; a dog and a ball. A recorded voice tells the toddler to look at the ball while a camera records his【C16】______. This lets Dr Fernald【C17】______the moment the child"s gaze begins【C18】______towards the correct image. At 18 months, toddlers from【C19】______backgrounds can identify the correct object in 750 milliseconds—200 milliseconds faster than those from poorer families. This, says Dr Fernald, is a【C20】______difference. 【C5】
______及其派出机构对期货公司执行投资者适当性制度的情况进行监督检查。
关于客户开户及交易编码的申请，当日分配的客户交易编码，期货交易所应当于______允许客户使用。
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