国家建立重大突发事件风险评估体系,对可能发生的突发事件进行综合性评估,减少重大突发事件的发生,最大限度地减轻重大突发事件的影响。
参考答案:对
An appropriate-for-gestational-age neonate should weigh
A.between the 10th and the 90th percentiles for age.
B.at least 2,500 g (5 lb, 8 oz).
C.between 2,000 and 4,000 g (4 lb, 6 oz and 8 lb, 12 oz).
D.in the 50th percentile.
设计用户界面的步骤是怎样的?