题目内容
Researchers have developed new software using smart phones’GPS and imaging abilities that determine the exact location of distant objects as well as monitor the speed and direction of moving objects．The software could eventually allow smart phone-armed soldiers to target the location of their enemies．On the home front，the software could be used by everyone，including golfers judging distance to the green and biologists documenting the location of a rare animal without disturbing it．
“The great advantage of a Smartphone is that it provides so many tools in a single，readily available，relatively inexpensive package，”said Qia Wang，a doctoral student who led the development of the software．“For example，on the battlefield，a soldier needs a rangefinder，compass，GPS and other tools to get information before calling in an air strike．With our software，the soldier can have all those instruments in one device that can be purchased off the shelf．When that soldier returns from War，she can use the same Software to protect her family by clocking a speeder near her children’s school and catching the criminal on video．”
Wang and his colleagues developed their software to locate and track：
Targets of known size—when the size of the target is known．a single image is enough to pinpoint the target’s location．
Targets of unknown size—If the exact size of a target is unknown，the software uses two images to triangulate the location of the target·
Moving targets—By taking a short video of a moving target，the smartphone software can calculate how fast the target is moving and in what direction it is going.
“Currently，our software is limited by the physical abilities of smartphone hardware，but the devices are improving rapidly，”Wang said．“We expect that improvements in GPS accuracy，battery life and camera resolution will allow our software to make even more accurate observations．”
1.．From Paragraph 1 we can know that the new software can_______.
A．determine the speed of moving objects
B．1ocate objects in the distance exactly
C．defend soldiers against their enemies
D．help biologists protect rare animal
2.．The example given by Qia Wang is meant to ________________.
A．make an advertisement
B．describe the software briefly
C．show the benefits of the software
D．present the functions of smartphones
3.．How does the software calculate the speed of a moving object?
A．By taking a short video． B．By locating its position.
C．By taking a single image．D．By measuring real-life size.
4.．What’s Qia Wang’s attitude towards the future of the software?
A．Casual． B．Optimistic．
C．Cautious．D．Flexible
5.．What is the best title of the text?
A．Qia Wang，a Talented Doctoral Student
B．Use Smartphones to Their Full Potential
C．Targeting and Tracking With Smartphones
D．Smartphone-armed Soldiers on the Battlefield
1.B
2.C
3.A
4.B
5.C
【解析】
试题分析：这篇文章主要介绍了一款用智能手机定位跟踪软件。
1.细节题：根据Researchers have developed new software using smart phones’GPS and imaging abilities that determine the exact location of distant objects.可知这款新软件用于确定远方物体的准确方位， 故选B。
2.细节题：根据"“The great advantage of a Smartphone is that it provides so many tools in a single，readily available，relatively inexpensive package，”said Qia Wang，a doctoral student who led the development of the software．“For example，意思是展示软件的优点，故选C。
3.Moving targets—By taking a short video of a moving target，the smartphone software can calculate how fast the target is moving and in what direction it is going.可知使用视频录像跟踪移动物体，故选A。
4.but the devices are improving rapidly，”Wang said．.可知Qia Wang对这款软件前景很有信心，故选B。
5.5】主旨题，根据上下文推断这是介绍了一款用智能手机定位跟踪软件。故选C。
考点：考查科研类阅读
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