GMDSS中,按海区划分为:()
A.16海区
B.4个海区
C.PORIORAOR区
D.PORIORAOR-EAOR-W区
参考答案:B
A.粉笔长约2dm
B.中学生步行速度约1.1m/s
C.夏天人感觉舒适的温度约37℃
D.一支普通中性笔的重力大小约10N
原文:Foreseeing the demand, he headed west to the young prairie town of Chicago, where he set up a reaper factory and by 1860 sold a quarter of a million reapers. 译文:正在看需求,他就去西部新兴草原市镇芝加哥,在那里他开设了收割机工厂。 改译: