New puters are soon out of date since newer models are constantly.
A. turned up
B. turned out
C. turned down
D. turned over
网友回答
A. turned up
(答案→)B. turned out
C. turned down
D. turned over
解析：选B 考查动词短语辨析。句意：由于更加新型的电脑不断地被生产，新电脑很快就会过时。turn up“出现”；turn down“拒绝”；turn over“翻身，翻转”。turn out为及物动词短语，意为“生产或制造”。newer models与turn out为被动关系，故需用被动语态。本题易误选A项，但turn up作“appear(出现)”讲时为不及物动词短语，没有被动语态。