粒子速率 v=______× 10 8 m/s 时,粒子的动能等于它的静止能量。 ( 保留两位小数 )
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【简答题】The pain medication left Claudia rather dull and sleepy, and soon after dinner she apologized for being such poor company and excused herself to bed. (feel)
【简答题】The pain medication left Claudia feeling rather dull and sleepy, and soon after dinner she apologized for being such poor company and to bed.A. excused oneself B. was obsessed with
【单选题】The pain medication left Claudia feeling rather dull and sleepy, and soon after dinner she apologized for being such poor company and ____ herself to bed.