Questions 61 to 65 are based on thefollowingpassage．
　　The Wall Street Journal quoted sources close to the company as saying a run of 4．000 devices will be manufactured next month．The tablet will have two rear-facing cameras and advanced imaging software——and will be shown off at the firm’s forthcoming developers’conference．Google has said it will not comment on“rumor and speculation”．But in March，Google showed off Project Tango，all effort to bring 3D technology to its handheld devices．A prototype smart phone had been given out to 200 developers to try out．
　　The technology makes use of infrared sensors to measure depth of surroundings．While the ability to create 3D images with small devices is by no means a new technologicA. feat，Google’s strategy will be to harness the hardware to contribute to，among other things，its mapping effort．For instance，the devices could be used to create quickly a 3D map of indoor environments．According to the Wall Street Journal，the 3D tablet will be shown offat Google’s annual developers’conference at the end ofJune．
　　As it did with the Google Glass eyewear product．it is expected the firm will A.low a select number of developers and engineers to experiment with the technology before a consumer launch is planned．although still a relatively minor industry,the race to create the“killer app”for building and viewing virtual reality environments is building a pace．In March，Facebook swooped in on a$2bn(￡1．2bn) deal for Oculus VR，a company making a virtuA. reA.ity headset．
　　A mini-site for Project Tango has highlighted a few of the firm’s plans in the area．“Project Tango is an attempt to create a mobile device unlike like any other,”the site explains．“A mobile device that shares our sense of space and movement，that understands and perceives the world the same way we do．”
In the past few years，devices able to view and create 3D images have made it to market，but suffered heavily from a lack of consumer interest，said Jack Kent，an analyst at IHS．“If Google really pushes it，that might change dynamics of the market。”he told the BBC．

61．What is the feature ofthe new tablet?
A.It will have two pre-facingcameras and advanced imaging soRware．
B. It will have one rear-facing camera and advanced imaging hardware．
C.It will have two rear-facing carneras and advanced imaging software．
D.It will have one pre．facing camera and advanced imaging hardware．
62．What contribution will Google’s strategy make to its mapping effort?
A.The devices could be used to take a clear photo for indoor environments．
B.111ey can be applied to the accurate 3D imaging of indoor environments．
C.They can be employed to create a probable 3D map of indoor environments．
D.They could be utilized to form quickly a 3D map of indoor environments．
63．Which one is the correspond meaning of“killer app”in Para．3?
A.the fiercest app．
B.the most useful app．
C.tile most crucial app．
D.the top secret app．
64．What makes the expected mobile device distinctive according to Para．4?
A. It could understand and perceive the world in its particular way．
B. It call possess the sanle perception of our own for the whole world．
C.It could be utilized to share our sense of the world．
D.It can share our sense of space and movemem and perceive the world as we do．
65．How does the author think ofthe prospect ofdevices able to create 3D images?
A.These devices will probably have a bright future．
B.They、would be always in a lack of consumer interest．
C.They may be in a way shut out ofthe market．
D.They could suffer from a bleak future in all the products．

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