《富强公司关于刘力见义勇为行为的表彰通报》,其作者是()。
A、起草人张秘书
B、富强公司
C、富强公司童经理
D、富强公司保安部
参考答案:B
下列化学反应中,是氧化反应而不是化合反应的是( )
A.氢气+氧气点燃水
B.一氧化碳+氧气点燃二氧化碳
C.过氧化氢二氧化锰水+氧气
D.石蜡+氧气点燃二氧化碳+水
Which statement concerning the navigation of a vessel in ice is FALSE?()
A.Anchoring in the presence of ice is not recommended except in an emergency
B.Towing a vessel through an ice field is not recommended except in an emergency
C.The "Free and Proceed" system of escorting a beset vessel cuts down on the number of freeing operations
D.When anchoring in ice,it is advisable to increase the scope of the chain over what is normally used for non-icing conditions