根据给出速度和加速度的正负，对下列运动性质的判断正确的是（     ） 

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='18457' and id < 1576674 and id<>'1576674' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='18457' and id > 1576674 and id<>'1576674' order by id asc limit 5