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Zelly Nguyễn

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Fill each of the following numbered blanks with ONE suitable word and write your answers in the corresponding numbered boxes.
New camera can see through walls-and may save Iives
A camera that can see through clothes, skin and even walls without X-rays has been developed in what is (1) _____ called one of the first great technological breakthroughs of the 21st century. The “terahertz” camera, still in prototype form, is under rapid development by scientists in Oxfordshire. It is likely (2) _____ have many applications, ranging (3) _____ medical scanning to identifying concealed weapons on airline passengers. Unlike with X-rays, patients are (4) _____ exposed to potentially harmful radiation. Instead the camera detects a form of energy waves which are naturally emitted by all objects. The existence of (5) _____ waves has been recognised for a long time, but the technology needed to capture them on camera has so (6) _____ been too complex and expensive. Now a team of scientists has succeeded in building a prototype in just three months. The first image which was captured by the device revealed the outline of a human hand, clearly visible (7) _____ being hidden under a thick book. If such a device could be mass produced, there could be one in every doctor's surgery, offering a completely safe new window into the human body. Disease or tissue damage could be detected at a much (8) _____ stage, increasing the chances of successful treatment. The technology will be controversial, (9) _____, as the camera could reveal body shape beneath clothing (10) _____ the subject's permission, or even knowledge. Civil liberties groups will, therefore, probably object to its being used on the grounds that it invades the individual's privacy.
 
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