20.Want to be a great doctor or scientist?Make sure you play video games.New research shows that certain video games can help people find things better and faster.
For instance,if a doctor is looking for something on an X-ray,or if a scientist is looking at a satellite image,they may be able to do it better if they've been"trained"by playing video games.Certain video games,like driving games,can improve a person's"visual search skills".That's the ability to see something that's hidden in the middle in a confusing field of things.
Researchers at the University of Toronto studied three groups of people:20people who played a shooting game called Medal of Honor,20people who played the driving game Need for Speed,and 20people who played a puzzle game called Balance.
"The people who played the shooting and the driving games became faster and more accurate at searching for things.The people who played the puzzle game did not improve their ability to find things faster,"said Sijing Wu,the lead author of the study.
Researchers also compared video game players with people who didn't play video games on three visual search tasks.They found that the experienced players were better.
"We have shown that playing a driving game can produce the same benefits as playing a shooting game,"said Wu."This could be very important in situations where we wish to train people to improve them.Driving games are likely to be more acceptable than shooting games because of the lower levels of violence.And young kids are not encouraged to play any violent video games."
29."Visual search skills"refer to the ability toD
A.design new video games
B.do science research successfully
C.prevent something from being known by others
D.find something among many things in confusing fields
30.We can infer from the passage thatB
A.someone who plays video games performs better at school
B.playing video games may also be a kind of training
C.no one can tell who will succeed finally in a game
D.it's very easy to learn to play video games
31.In this passage,the author mainly wants to tell usB
A.the newly developed video games
B.the positive side of playing video games
C.the troubles caused by playing video games
D.the necessity of giving up playing video games.