עמוד:10

A VIRTUAL CITY Are you planning a visit to Philadelphia ? Well … you don’t have to put on your walking shoes to get around the city . All you do is download a virtual 3 D map of the city and click on “ Walk” . Then start walking . You can look up and down by using the arrows on the keyboard . But you’re not allowed to walk on the rooftops ! If you like , you can click on “ Flight” , and you’ll see the sights of Philadelphia as you fly over them . If you need a place to stay in Philly , you can click your way into a hotel and see the view from the window . You can also go shopping downtown , enter stores and buy whatever you want . With a click of the mouse , you are “ virtually ” there . The makers of 3 D Philly have also made other virtual cities , for example , Milan and Ramat Gan . In order to create a computerized 3 D city , photographers take pictures of every building in the city center from at least four directions , from both the ground and from the air . The buildings look real and the pictures include the smallest details , such as mailboxes and plants . The information is updated all the time . F Answer the questions in your notebook . Night Vision Goggles 1 . Night vision goggles make us think of a spy movie ( lines 1-6 ) because … . a . the hero always chases the bad guy in the dark b . spies are known for their good night vision c . people think these goggles are found only in the movies d . spies usually work at night 2 . What is explained in lines 7-10 and again in 11-16 ? a . How night vision goggles were used in the past . b . When night vision goggles were first used . c . How the goggles improve vision . d . Why the goggles can’t be used in bad weather . 3 . COMPLETE THE SENTENCE . The example in lines 17-21 is given to show how night vision goggles … .

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