A.require loading operations to be shut down until the atmosphere clears
B.are toxic to human life
C.are subject to spontaneous combustion
D.may be explosive in some concentrations
您可能感興趣的試卷
你可能感興趣的試題
A.speed healing
B.prevent infection
C.reduce inflammation
D.increase blood circulation
A.placed in a position with the head lower than the body
B.given an inhalation stimulant
C.given something to drink
D.treated for injuries until conscious
A.lack of toxicity
B.the multipurpose extinguishing ability
C.burn-back protection
D.cooling ability
A.blood
B.breath
C.urine
D.All of the above
A.Slightly elevate the head and feet
B.Keep the person awake
C.Keep the person lying down and at a comfortable temperature
D.Give the person a stimulant to increase blood flow
最新試題
All inspected vessels on unrestricted ocean routes must have equipment on board for testing an individual’s().
Blood flowing from a cut artery appears().
Treatments of heat exhaustion consist of().
First aid treatment for small cuts and open wounds is to().
Bleeding from a vein is().
If a crew member is exposed to phenol by way of skin or eye contact,you should IMMEDIATELY().
Antiseptics are used principally to().
Severe exposure to chlorine gas can be fatal. Chlorine gas is primarily a().
Storage batteries should be charged in a well ventilated area because().
Bleeding from a vein may be ordinarily controlled by().