Donotletthis__(say)ofyou.Itshowsanunattractiveindifferencetoyouremployerandtoyourjob.
机枪每秒钟射出15颗子弹.每颗子弹质量为0.02kg,射出的速率为800m/s,则射击时的平均反冲力大小为()
国家垄断资本主义()
Mrs.Weinsteinbravelyandpersistentlyusedeveryskillandpowershehadtoherattackertosimplytakehercarandnotherlife.
Weknewtheboss________beangryifwedidn’tfinishtheworkintime.