单项选择题

What does the word "pirates" in the third paragraph mean

A．One who robs at sea or plunders the land from the sea.
B．One who makes use of or reproduces the work of another without authorization.
C．To take (something) by piracy.
D．To make use of or reproduce (another's work) without authorization.
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单项选择题
Which of the follow is the most suitable to the title for this passage A) DNA and Heredity. C) A Biomedical Revolution. B) The Genetic Revolution. D) How to Apply Genetic Technology.
A．Which of the follow is the most suitable to the title for this passage
B．DNA and Heredity.
C．The Genetic Revolution.
D．A Biomedical Revolution.
E．How to Apply Genetic Technology.
单项选择题
Collins and Anderson are cited in the text to indicate all the following EXCEPT that ______.
A．time-consuming effort is needed to accomplish the detailed map of gene in human DNA
B．human gene-therapy operations may be applied to the patients
C．gene-therapy now is already generally used to the treatment and prevention of human diseases
D．information about DNA may be used in the treatment an prevention of human diseases
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