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【多选题】
压力容器的无损探伤包括（）等。A.
射线
B.
超声波
C.
磁粉
D.
渗透探伤
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反馈参考答案：
举一反三
【单选题】The disinfection of various compartment in a vesel by filling them with a gaseous agents to destroy rats ect.means（）.
A.
fire drills
B.
washing and cleaning
C.
fumigation
D.
quarantine
【简答题】在我国历史上有“书圣”之称的是（ ）。
【多选题】为了防止游客物品和证件的丢失,导游员在带团过程中应该做到( )
A.
在热闹、拥挤的场所用餐和购物时，提醒旅游者保管好自己贵重物品
B.
每次旅游者下车前，要提醒旅游者带好自己的贵重物品
C.
代为保管游客的护照等证件
D.
不保管游客的护照等证件
E.
切实做好每次行李的清点和交接工作
【单选题】The disinfection of hands and clothing of midwives who attended confinements produced a marked reduction of _____.
A.
Puerperal fever
B.
Yellow fever
C.
Acute fever
D.
White plague
【单选题】-45的8位原码( )、反码( )和补码( )
A.
10101101 01010010 10101111
B.
10101101 11010010 11010011
C.
10101101 10101101 10101111
D.
10101101 01010010 11010011
【简答题】The disinfection of water by adding ozone, which is a powerful oxidant of inorganic and organic impurities.
【单选题】The disinfection of various compartments in a vessel by filling with a gaseous agent to destroy rats and all insects pests which act as germ carriers means ______.
A.
fumigation
B.
discharging
C.
Compensation
D.
displacement
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