Mr Brown says this is a common human error,but what makes the problem worse has to do with some of the shortcomings,or failures,of GPS equipment.He says,“One problem with a lot of the GPS units is they have a very small screen and they just tell you the next turn.Because they just give you the next turn,sometimes that means that it is not really giving you the overview that you would need to know that it’s going to the wrong place.”
Mr Brown says,“One of the things that struck us,perhaps the most important thing was that you have to know what you’re doing when you use a GPS.There are these new skills that people have developed.There are these new competencies (资格) that you need to have to be able to use a GPS because they sometimes go wrong.This goes against a common belief that GPS systems are for passive drivers who lack navigational skills.”
Barry Brown says to make GPS systems better we need a better understanding of how drivers,passengers and GPS systems work together.
1.According to Barry Brow,in most cases,________are blame for the problems.
A.human errors
B.GPS errors
C.errors caused by both drivers and GPS
D.errors caused by putting in a wrong address
2.The example of Barry Brown’s friend is used to show that________.
A.GPS is nothing but garbage
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