摘要： 与其他人相比.我们幸运多了. , we are much more lucky. . 六.短文填空. In a few years’ time, it will be possible to make things yourself with a 3-dimensional 66 . You download 3D designs online, then push “print . Hours 67 , a real object will come out 68 your printer. All you need is a piece of plastic. 3D printers have been used in factories 69 ten years. They are 70 to test part designs for cars and planes. They make objects out of liquid and plastic. The printers are sold for about 15,000 dollars each. But in the next two years, prices are expected to fall 71 around $5,000. Then they will 72 able to be used in offices and homes. “In the future, everyone will have a printer 73 this, said Hod Lipson, a Cornell University professor. “You’ll be able to print a toothbrush, a fork or a shoe. Schools can buy them for design classes. Doctors print models from CT scans to help in operations. You will also be able to make toys. “It’s easy to 74 a Barbie design, scan your head, 75 the head on Barbie and print it out, suggests Joe Shenberger, who works for a 3D printer company.

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