单项选择题

A．change of climate.B．fish farms.C．pollutants.D．rapid d……

All of the following are mentioned as factors threatening seafood EXCEPT ______.

A．change of climate.
B．fish farms.
C．pollutants.
D．rapid development.

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热门试题

单项选择题The author's attitude towards the opponents of Worm's study is ______.

A．slight approval.
B．strong disapproval.
C．slight disapproval.
D．strong approval.

单项选择题Copyright of music may harm the majority of performers in that ______.

A．it in fact protects a few celebrities.
B．it covers the creations of most people.
C．it forbids the rich as well as the poor.
D．it doesn't allow the mass to steal music.

单项选择题Free Internet music file sharing may bring about all of the following consequences EXCEPT ______.

A．losses to culture--importing nations.
B．the dominance of one culture.
C．people's disrespect for laws.
D．the degradation of one's morality.

单项选择题Which of the following statements about intellectual property is NOT true

A．Countries may differ in their efforts to protect it.
B．The author considers its protection well-grounded.
C．People believe its protection may benefit creators.
D．The history of its protection has not been long.

单项选择题The word obscurities in the second paragraph most probably means ______.

A．misunderstanding.
B．small potatoes.
C．well known people.
D．unclearness.