They play a significant role in biodiversity.
They account for 25% of the marine life.
More than a quarter of marine life feed on them.
They are threatened by marine life and could be killed.
第1题:
Which of the following marine insurance policies is normally purchased by the cargo owner? ______.
A.Hull
B.Cargo
C.Protection and Indemnity
D.Pollution
第2题:
Heavy fuel oils when spilled are ______.
A.more harmful to sea life than lighter oils
B.easier to clean up than lighter refined oils
C.less harmful to sea life than lighter oils
D.not a real threat to marine life
第3题:
Of the following, which one is not a term of Marine Weather Bulletin?______.
A.Complex low
B.Depression
C.High pressure
D.Ambient pressure
第4题:
第5题:
The Great Barrier Reef is included on the World Heritage list because()
第6题:
Which statement is TRUE of a gasoline spill ________.
A.It is visible for a shorter time than a fuel oil spill
B.It is not covered by the pollution laws
C.It does little harm to marine life
D.It will sink more rapidly than crude oil
第7题:
Which of the following is not true about the Maori protest movement?()
第8题:
The objectives of the ISM Code are to ensure ①safety at sea②prevention of human injury or loss of life③avoidance of damage to the marine environment and to property
A.①
B.②
C.②③
D.①②③
第9题:
NIF contains the world’s most powerful laser.
NIF experiments will not get significant results until after 2010.
NIF is by far the only experimental facility aimed at demonstrating the building blocks of nuclear fusion.
NIF is at the beginning of its experimental life.
第10题:
Accommodation heating system
Steering gear
Boiler control
Cargo control