工业和信息部2月14日发布《“十二五”物联网发展规划》，规划提出，到2015年，我国初步形成 的物联网发展格局。
①创新驱动 ②应用牵引 ③协同发展 ④安全可控
A．①②④
B．①③④
C．①②③④
D．①②③
答案：C
考查对时政的了解。《“十二五”物联网发展规划》提出，到2015年，我国初步形成创新驱动、应用牵引、协同发展、安全可控的物联网发展格局。故选C。
| 完形填空。 | ||||
| Life gets noisier every day and very 1 people can be free from noise of some kind or another. Whether you live 2 the center of a modern city or a village far away---the chances that you will 3 by planes, cars, radios, etc, are almost everywhere. We seem 4 be used to noise, too. Some people feel quite lonely without background music while they are working. Tests have shown that total silence can be very frightening experiences. 5 , some people enjoy 6 to pop music which is very loud, and this can do harm to their ears. The noise level in some places is far above the usual safety level for heavy industrial areas. One recent report about 7 said that although 8 people say that any noise disturbs their attention, only a sudden change in the level of noise really affects people's attention. It goes on to say that a background noise, which doesn't change too much. Music, for example, may even help people to pay attention. People are testing ways to make 9 noise. There are even laws controlling noise. We cannot return to the "good old days" of peace and quiet. But we can make less noise---if we shout 10 about it. | ||||
|