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4£®In 1997£¬a London researcher came up with a startling idea on how humans would live in the future£®Professor Michael Batty£¬a widely known urban planner£¬summed it up in one phrase-"The Computable City"£®By 2050£¬he says£¬there will be a convergence£¨¼¯ÖУ© of computers and communication technologies£¬with highways and smart buildings connected via the Internet in new kinds of vast information infrastructures£¨»ù´¡ÉèÊ©£©£®"Everything around us will be some form of computer£¬"he wrote£®Take the old Spanish port city of Santander as an example£®After an?11million grant in 2011£¬over 12£¬000sensors£¨´«¸ÐÆ÷£© have been set up£¬recording everything from air pollution levels to free parking spaces£®
Streetlights now automatically get dark when no one is around£¬while rubbish bins give notice to collectors when they're full£®These advances save local authorities about 25% on electricity bills and 20% on waste management£®
In a smart city£¬the information being produced is vast£®Some experts estimate that by 2016we will provide 4.1terabytes£¨Õ×Õ××Ö½Ú£© of information per day per square kilometer of urban land area£¬which equals more than four average home computer hard drives£®
But the Santander centre's purpose is not just to serve the local government£®It also makes this sensor data freely available to Santander citizens themselves£®Via their smart phones£¬citizens can access up-to-the-minute information on everything from local traffic jams£¬parking spaces to pollen counts£¨»¨·ÛÁ¿£©£®
Other smart city projects are even more diverse£®In Norway£¬for example£¬more than 40£¬000bus stops for local transport company Kolumbus are already making scheduled announcements via Twitter£®Passengers can also scan a type of two-dimensional barcode£¨¶þάÂ꣩ with their smart phones£¬which can be seen at each stop and leave messages about their experiences£®
While in Boston£¬a system called ShotSpotter is using acoustic sensors to find out the location of gunshots quickly£¬helping the police reduce crime£®
46£®We can learn from the first paragraph that the computable cityA£®
A£®is a highly informational city
B£®is a city where computers are seldom used
C£®refers to a city someone describes in a novel
D£®refers to a city where everything is automatically controlled
47£®The underlined word"grant"is closest in meaning toB£®
A£®imaginary project
B£®money aid
C£®special permit
D£®policy support
48£®According to the passage£¬in the smart city SantanderD£®
A£®there is much less air pollution
B£®home computers are not needed any more
C£®rubbish bins can deal with waste by themselves
D£®people can get the newest information on anything
49£®When you travel in a smart city£¬what can help record and keep your experiences£¿C
A£®All the bus stops£®
B£®The acoustic sensors£®
C£®Your smart phones£®
D£®The local government£®
50£®What would be the best title for this passage£¿A
A£®Smart Cities in Action
B£®Automatic Streetlights
C£®The Santander Centre
D£®Information Infrastructure£®
·ÖÎö ±¾ÎÄÊÇÕþÖξ¼ÃÀàÔĶÁ£¬Ö÷Òª½éÉÜÁË"The Computable City"£¬ÊÇÒ»¸öͨ¹ýÐÂÐÍÐÅÏ¢»ù´¡ÉèÊ©¼°ÒòÌØÍø£¬Ê¹¼ÆËã»úºÍ½»Á÷¼¼ÊõÏà¶Ô¼¯Öеĵط½£®ÊÐÃñͨ¹ýËûÃǵÄÖÇÄÜÊÖ»ú£¬¿ÉÒÔ»ñÈ¡Ò»ÇÐ×îеÄÐÅÏ¢£¬³Ë¿Í¿ÉÒÔÓÃÊÖ»úɨÃèÒ»ÖÖ¶þάÂ룬ÁôÏ´ËÐеÄÐÅÏ¢£®
½â´ð 46£®A ÍÆÀíÅжÏÌ⣮¸ù¾ÝµÚÒ»¶ÎµÄ"there will be a convergence£¨¼¯ÖУ© ofcomputers and communication technologies£¬with highways and smart buildings connected via theInternet in new kinds of vast information infrastructures£¨»ù´¡ÉèÊ©£©£®"¿ÉÖª£¬"TheComputable City"ÊÇÒ»¸öͨ¹ýÐÂÐÍÐÅÏ¢»ù´¡ÉèÊ©¼°ÒòÌØÍø£¬Ê¹¼ÆËã»úºÍ½»Á÷¼¼ÊõÏà¶Ô¼¯Öеĵط½£®¹Ê´ËÌâӦѡA£®
47£®B ´ÊÒå²Â²âÌ⣮¸ù¾ÝµÚ¶þ¶ÎµÄ"After an?11 million grant in 2011£¬over 12£¬000sensors£¨´«¸ÐÆ÷£© have been set up"¿ÉÖª£¬ÔÚһǧһ°ÙÍòÅ·ÔªµÄͶÈëÖ®ºó£¬Ò»ÍòÁ½Ç§¶à¸ö´«¸ÐÆ÷±»°²×°£®ËùÒÔgrantÖ¸µÄÊÇ×ʽðÔ®Öú£¬¹Ê´ËÌâӦѡB£®
48£®D ϸ½ÚÀí½âÌ⣮¸ù¾ÝµÚÎå¶ÎµÄ"Via their smart phones£¬citizenscan access up-to-the-minute information on everything from local traffic jams£¬parkingspaces to pollen counts£¨»¨·ÛÁ¿£©£®"¿ÉÖª£¬Í¨¹ýËûÃǵÄÖÇÄÜÊÖ»ú£¬ÊÐÃñ¿ÉÒÔ»ñÈ¡´Óµ±µØ½»Í¨¶ÂÈû£¬Í£³µÎ»µ½»¨·ÛÁ¿µÄÒ»ÇÐ×îеÄÐÅÏ¢£®ËùÒÔÔÚÕâ¸ö³ÇÊÐÀÈËÃÇͨ¹ýÊÖ»ú¾Í¿ÉÒԵõ½¹ØÓÚÈκζ«Î÷µÄ×îÐÂÐÅÏ¢£¬¹Ê´ËÌâӦѡD£®
49£®C ϸ½ÚÀí½âÌ⣮¸ù¾Ýµ¹ÊýµÚ¶þ¶ÎµÄ"Passengers can also scan a type oftwo-dimensional barcode£¨¶þάÂ룩 with their smart phones£¬whichcan be seen at each stop and leave messages about their experiences£®"¿ÉÖª£¬³Ë¿Í¿ÉÒÔÓÃÊÖ»úɨÃèÒ»ÖÖ¶þάÂ룬ÁôÏ´ËÐеÄÐÅÏ¢£®¹Ê´ËÌâӦѡC£®
50£®A Ö÷Ö¼´óÒâÌ⣮¸ù¾ÝµÚÒ»¶Î"The Computable City"¿ÉÖª£¬±¾ÎÄÊÇΧÈÆ´Ë»°ÌâÕ¹¿ªµÄ£¬ÕâÖÖ³ÇÊÐÒ²±»³ÆΪ"a smart city"£¬¹Ê´ËÌâӦѡA£®
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