将数0.056858保留三位有效数后的正确表示为()
A、0.06
B、0.05
C、0.0568
D、0.0569
参考答案:D
He would like to trek ___ the jungle of Brazil.
A. cross B. across C. through D towards
机动车在发生碰撞时,安全带可以减轻驾乘人员伤害。