
【名词&注释】
化学品(chemicals)、腐蚀性(corrosion)、断裂强度(fracture strength)、眼药水(ophthalmic solutions)
[单选题]腐蚀性的化学品与肌肤接触:可引起皮肤()等,甚至会导致长期严重的后果。①皮炎;②灼伤;③红肿;④坏死
A. ①②③④
B. ①②④
C. ①②③
查看答案&解析
举一反三:
[单选题]眼部化学物品灼伤的现场处理,首先是______。
A. 包扎伤眼
B. 止血
C. 点眼药水(ophthalmic solutions)
D. 彻底冲洗
[单选题]如小角度交叉相遇的两船航速相等,设来船保速保向,你船采取向右转向50度后,在相对雷达运动图上,来船的相对航向线所变化的角度接近:
A. 50度
B. 100度
C. 25度
D. 不变
[单选题]Which of the listed conditions can be considered as the single greatest cause of accident?
A. Speed
B. Excessive knowledge or skill
C. Human error
D. Excitement
[单选题]叶片马达式锚机液压系统采用的调速方法多为( )。
A. 阀控
B. 泵控
C. 变量马达
D. A+C
[单选题]________ there much cargo in the warehouse?
A. Are
B. Is
C. Be
D. Will be
[单选题]一般纤维绳子的安全负荷为断裂强度的:()
A. 1/2
B. 1/4
C. 1/6
D. 1/8
[单选题]电器火灾扑救时应先切断电源,因为_______。
A. 可以防止人员触电
B. 防止火势扩大
C. 防止爆炸
D. A和B
[单选题]What is a FALSE statement concerning the line throwing appliance on a vessel ().
A. A drill on its use must be held once every three months
B. The actual firing is at the discretion of the Master
C. The auxiliary line must be of a light color
D. The auxiliary line must be at least 500m long
[单选题]保温服着装于0℃平稳的循环水中浸6小时,体温下降:
A. ≤1℃
B. ≤2℃
C. ≤3℃
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