第1题：
chemical sterilization technology
第2题：
There are________rats on board.
A.not
B.no
C.any
D.none
第3题：
A、we are going to give the patient a chemical treatment
B、the patient needs a chemical treatment
C、the doctors suggest a chemical treatment of the patient
D、a chemical treatment is necessary
第4题：
______, as the chemical extinguisher agent, should be used for an electric fire.
A.dry chemical or foam
B.foam or soda acid
C.carbon dioxide or foam
D.carbon dioxide or dry chemical
第5题：
International Certificate of Fitness for the Carriage of Dangerous Chemicals in Bulk shall be carried on board by ______．
A.chemical tankers constructed on or after 1 July 1986
B.chemical tankers constructed before 1 July 1986
C.All chemical tankers
D.oil tankers of 150 gross tonnage and above
第6题：
Try to explain Singleton to us? Is it thread safe? If no, how to make
it thread safe?
第7题：
The use of sinking and dispersing chemical agents for removal of surface oil is ______.
A.the most common method used in the United States
B.too expensive for common use
C.generally safe to sea life
D.authorized only with prior approval of the Federal On-Scene Coordinator
第8题：
chemical sterilization
第9题：
Which of the following may be used in cleaning up an oil spill without the permission of governmental authorities ________．
A.Straw and Skimmers only
B.Skimmers and Chemical dispersants only
C.Straw and Chemical dispersants only
D.Straw，Skimmers and Chemical dispersants
第10题：