摘要：B Flying mattress ycy Your eyes aren’t cheating you : the black thing floating in the air is in fact a bed . The floating bed is the result of a daydream by Dutch designer Janjaap Ruijssenaars . Its secret is a set of magnets built into the bed and floor , which are powerful enough to support almost 900 kilograms . But remember not to wear anything made of iron or steel near the bed , otherwise you will be in trouble . Inventor : Janjaap Ruijssenaars Price : US $ 1.5million . Hydrogen car It could be years before you can buy a real hydrogen-fuel-car . Shanghai-based Horizon Fuel Cell Technologies got tired of waiting and designed a 15-centimetre-long toy car . It uses no batteries nor petrol , and runs on hydrogen extracted from tap water . With a full tank of water the car can travel more than 100 metres . Since it uses only a little amount of flammable hydrogen , there’s no risk of a hydrogen bomb explosion in the living room . Inventor :Horizon Fuel Cell ; Price ; US$ 115 A Plate of coffee “Don’t spill (洒) it ! many mums shout to teens drinking coffee , because coffee stains are difficult to wash away . Spanish inventor Ferran Adria’s latest invention may save teenagers from nagging . Solid coffee is made by combining coffee with sugar using a secret recipe . The mixture is like cream and you eat it with a spoon . The solid coffee has been available in the US since September and comes in several different flavors . Inventor : Ferran Adria Available at Lavazza in Chicago for US $ 2.49 Meow , no achoo ! Love cats but your nose doesn’t ? Allerca , a US company is breeding a new type of cat that won’t cause allergic reactions . Most cats produce a protein in their saliva that can cause an allergic reaction in humans . But the new cat bred by Allerca don’t have this problem . Allerca tests each cat and offers a one-year money-back guarantee . Demand is high: there’s already a 15-month wait for the sniffle-proof cats . Inventor : Allerca ; Price : from 2007 at US $ 3,950 Hands –free hug When you’re away from home , phone calls help you keep in touch with the family . If you still miss your parents’ hugs ,now they can send you a hug by cellphone with the help of Hug Shirt . When your mum sends you a hug , your cellpone sends a signal to the Hug Shirt . The shirt then gives you a hug with the same warmth , pressure , duration and even heartbeat of your mum’s hug . The Hug Shirt is made of high-tech material and is washable . Inventor : CuteCircuit , US; Price : Not yet for sale 44．What does the writer want to tell us . A．let you pick up the coolest inventions B．tell you how to invent something C．explain to you some hi-tech inventions D．introduce some coolest inventions listed by time 45．Which of the inventions would Lucy , who just started college and missed her family very much , want to buy ? A．Hydrogen car B．Hug Shirt C．Solid coffee D．Sniffle-proof cats 46．From the text , we can see that . A．the new type of cat will probably enjoy the best sales B．real hydrogen-fuel-car will be available soon C．flying mattress is both expensive and silly D．many people don’t like cats because they smell 47．The only invention that has already been put on the market is . A．Flying mattress B．Hug shirt C．Solid coffee D．Sniffle-proof cats

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