Playing video games, including violent shooter games, may __1__children'slearning, health and social skills, according to a review of research on the__2__effects ofvideo game play to be published by the American Psychological Association.
     While one widely held __3__ maintains playing video games is intellectually lazy,such play actually may strengthen a range of cognitive skills such as spatial ( 空间的 )navigation, reasoning and memory, according to several studies reviewed in the article.
    This is __4__ true for shooter video games that are often violent, the authors said. A2013 meta-analysis ( 元分析) found that playing shooter video games __5__ a player'scapacity to think about objects in three dimensions just as well as academic courses toenhance these same skills, according to the study. This enhanced thinking was not found with playing other types of video games, such as puzzles or role-playing games.
     Playing video games may also help children develop problem-solving skills, theauthors said. The more adolescents reported playing __6__ video games, such as role-playing games, the more they improved in problem solving and school grades the following year, according to a long-term study __7__ in 2013.
    Children's __8__ was also enhanced by playing any kind of video game, but notwhen the children used other forms of technology, such as a computer or cell phone,other research __9__. Simple games that can be played quickly, such as Angry Birds, canimprove players' moods, promote relaxation and ward off __10__, the study said. 
A．anxiety        
B．boost          
C．creativity         
D．exposed      
E．extensively 
F．improved 
G．negative 
H．particularly 
I．positive 
J．published 
K．restless 
L．revealed 
M．strategic 
N．view 
O．weakened